merged with himanshu code after bbps contant added

src/main/java/com/billpaymentservice/bbps/controller/AgentController.java

@@ -9,12 +9,15 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import com.billpaymentservice.bbps.dto.GeneralResp;
 import com.billpaymentservice.bbps.dto.ResponseModel;
 import com.billpaymentservice.bbps.dto.request.BillFetchByBillIdRequest;
 import com.billpaymentservice.bbps.dto.request.BillFetchByClientIdRequest;
 import com.billpaymentservice.bbps.dto.request.BillValidateByClientIdRequest;
 import com.billpaymentservice.bbps.dto.request.FetchBillRequest;
 import com.billpaymentservice.bbps.dto.request.FetchBillValidatestRequest;
+import com.billpaymentservice.bbps.dto.response.BillDataResponse;
+import com.billpaymentservice.bbps.dto.response.FetchBillValidateResponse;
 import com.billpaymentservice.bbps.service.AgentService;
 
 @RestController
@@ -86,5 +89,18 @@ public class AgentController {
 		ResponseModel response = agentService.fetchBillValidateByClientReqId(billValidateByClientIdRequest);
 		return ResponseEntity.ok(response);
 	}
-
+	
+	@PostMapping(value="/callback/billFetch", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<ResponseModel> handleBillFetchCallback(@RequestBody BillDataResponse billDataResponse) {
+		ResponseModel genralResp=agentService.processBillFetchCallback(billDataResponse);
+		// Return a response indicating successful receipt
+		return ResponseEntity.ok(genralResp);
+	}
+    
+	@PostMapping(value="/callback/billValidate", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<ResponseModel> handleBillValidateCallback(@RequestBody FetchBillValidateResponse fetchBillValidateResponse) {
+		ResponseModel genralResp=agentService.processBillValidateCallback(fetchBillValidateResponse);
+		// Return a response indicating successful receipt
+		return ResponseEntity.ok(genralResp);
+	}
 }

src/main/java/com/billpaymentservice/bbps/controller/PaymentController.java

@@ -12,6 +12,8 @@ import com.billpaymentservice.bbps.dto.ResponseModel;
 import com.billpaymentservice.bbps.dto.request.BillPaymentRequest;
 import com.billpaymentservice.bbps.dto.request.TransactionStatusRequest;
 import com.billpaymentservice.bbps.dto.request.TrasactionStatusByClientReqIdRequest;
+import com.billpaymentservice.bbps.dto.response.FetchBillValidateResponse;
+import com.billpaymentservice.bbps.dto.response.TransactionStatusResponse;
 import com.billpaymentservice.bbps.service.PaymentService;
 
 @RestController
@@ -51,5 +53,12 @@ public class PaymentController {
 		ResponseModel response = paymentService.checkTrasactionStatusByClientReqId(transactionStatusRequest);
 		return ResponseEntity.ok(response);
 	}
+	
+	@PostMapping(value="/callback/paymentIntiate", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<ResponseModel> handleBillValidateCallback(@RequestBody TransactionStatusResponse transactionStatusResponse) {
+		ResponseModel genralResp=paymentService.handlePaymentIntiateCallback(transactionStatusResponse);
+		// Return a response indicating successful receipt
+		return ResponseEntity.ok(genralResp);
+	}
 
 }

src/main/java/com/billpaymentservice/bbps/service/AgentService.java

@@ -6,6 +6,8 @@ import com.billpaymentservice.bbps.dto.request.BillFetchByClientIdRequest;
 import com.billpaymentservice.bbps.dto.request.BillValidateByClientIdRequest;
 import com.billpaymentservice.bbps.dto.request.FetchBillRequest;
 import com.billpaymentservice.bbps.dto.request.FetchBillValidatestRequest;
+import com.billpaymentservice.bbps.dto.response.BillDataResponse;
+import com.billpaymentservice.bbps.dto.response.FetchBillValidateResponse;
 
 public interface AgentService {
      
@@ -21,4 +23,8 @@ public interface AgentService {
 
 	ResponseModel fetchBillValidateByClientReqId(  BillValidateByClientIdRequest billValidateByClientIdRequest);
 
+	ResponseModel processBillFetchCallback(BillDataResponse billDataResponse);
+
+	ResponseModel processBillValidateCallback(FetchBillValidateResponse billValidateResponse);
+
 }

src/main/java/com/billpaymentservice/bbps/service/PaymentService.java

@@ -4,13 +4,17 @@ import com.billpaymentservice.bbps.dto.ResponseModel;
 import com.billpaymentservice.bbps.dto.request.BillPaymentRequest;
 import com.billpaymentservice.bbps.dto.request.TransactionStatusRequest;
 import com.billpaymentservice.bbps.dto.request.TrasactionStatusByClientReqIdRequest;
+import com.billpaymentservice.bbps.dto.response.TransactionStatusResponse;
 
 public interface PaymentService {
 
-	public ResponseModel initiatePayment(BillPaymentRequest billPaymentRequest);
+	 ResponseModel initiatePayment(BillPaymentRequest billPaymentRequest);
 
-	public ResponseModel checkTrasactionStatus(TransactionStatusRequest transactionStatusRequest);
+	 ResponseModel checkTrasactionStatus(TransactionStatusRequest transactionStatusRequest);
 
-	ResponseModel checkTrasactionStatusByClientReqId(TrasactionStatusByClientReqIdRequest transactionStatusRequest);
+	 ResponseModel checkTrasactionStatusByClientReqId(TrasactionStatusByClientReqIdRequest transactionStatusRequest);
+
+	  ResponseModel handlePaymentIntiateCallback(TransactionStatusResponse transactionStatusResponse);
+	
 
 }

src/main/java/com/billpaymentservice/bbps/serviceImpl/AgentServiceImpl.java

@@ -1,16 +1,14 @@
+
 package com.billpaymentservice.bbps.serviceImpl;
 
 import java.util.Map;
 import java.util.Optional;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
+
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.RestClient;
-
 import com.billpaymentservice.bbps.dto.GeneralResp;
 import com.billpaymentservice.bbps.dto.ResponseModel;
 import com.billpaymentservice.bbps.dto.request.BillFetchByBillIdRequest;
@@ -23,7 +21,6 @@ import com.billpaymentservice.bbps.dto.response.FetchBillResponse;
 import com.billpaymentservice.bbps.dto.response.FetchBillValidateResponse;
 import com.billpaymentservice.bbps.dto.sentRequest.FetchBillForwardRequest;
 import com.billpaymentservice.bbps.dto.sentRequest.FetchBillValidatestForwardRequest;
-import com.billpaymentservice.bbps.entites.BharatConnectMaster;
 import com.billpaymentservice.bbps.entites.BillInitiate;
 import com.billpaymentservice.bbps.entites.BillMaster;
 import com.billpaymentservice.bbps.entites.InboundTraceLog;
@@ -42,7 +39,6 @@ import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import lombok.extern.slf4j.Slf4j;
 
 @Service
 public class AgentServiceImpl implements AgentService {
@@ -59,6 +55,10 @@ public class AgentServiceImpl implements AgentService {
 	private final BillInitateRepository billIntiateRepository;
 	private static final Logger LOGGER = LoggerFactory.getLogger(AgentServiceImpl.class);
 
+	// Reusable ObjectMapper instance
+	private final ObjectMapper objectMapper = new ObjectMapper()
+			.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+
 	public AgentServiceImpl(RestClient restClient, HttpService httpService, Helper helper,
 			BharatConnectMasterRepository beneficiaryDetailsRepository,
 			InboundTraceLogRepository inboundTraceLogRepository, OutboundTraceLogRepository outboundTraceLogRepository,
@@ -76,7 +76,7 @@ public class AgentServiceImpl implements AgentService {
 	@Override
 	public ResponseModel initiateBillFetch(FetchBillRequest fetchBillRequest) {
 
-		String apiName = "InitiateBillFetch";
+		String apiName = BBPSConstant.API_INITIATE_BILL_FETCH;
 		String requestId = fetchBillRequest.getReqId();
 		String mid = fetchBillRequest.getMid();
 		LOGGER.info("[{}] START | reqId={} | mid={} | billerId={}", apiName, requestId, mid,
@@ -85,31 +85,23 @@ public class AgentServiceImpl implements AgentService {
 		String txnId = helper.generateTxnId(15);
 		String fullUrl = agentDtaUrl + BBPSConstant.BILL_FETCH_INTI;
 		fetchBillRequest.setClientReqId(txnId);
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-		FetchBillForwardRequest forwardReq = helper.fetchBillForwardRequestMap(fetchBillRequest);
+		FetchBillForwardRequest forwardReq = mapperHelper.fetchBillForwardRequestMap(fetchBillRequest);
 
 		String forwardJson = helper.convertObjectToJson(forwardReq);
 		String requestJson = helper.convertObjectToJson(fetchBillRequest);
 
-		// ✅ Create inbound & outbound logs
 		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnId, apiName, fetchBillRequest.getMid(),
-				"POST", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, fullUrl, "POST",
-				forwardJson);
+				BBPSConstant.HTTP_POST, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, fullUrl,
+				BBPSConstant.HTTP_POST, forwardJson);
 		LOGGER.debug("Outbound log created successfully for txnId: {} and reqId: {}", txnId, requestId);
 
 		try {
+
 			LOGGER.info("[{}] Calling external API | URL={}", apiName, fullUrl);
-			Map<String, String> responseMap = httpService.postRequest(fullUrl, forwardJson, headers);
-			String responseData = responseMap.get("data");
+			Map<String, String> responseMap = httpService.postRequest(fullUrl, forwardJson,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 			LOGGER.debug("Response received from BBPS: {}", responseData);
@@ -117,8 +109,8 @@ public class AgentServiceImpl implements AgentService {
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response received for txnId: {}", txnId);
 				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
 						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
@@ -149,7 +141,7 @@ public class AgentServiceImpl implements AgentService {
 			billFetchByBillIdRequest.setReqId(requestId);
 			LOGGER.info("Waiting for 2 seconds before fetching bill by ID...");
 			try {
-				Thread.sleep(5000);
+				Thread.sleep((long) BBPSConstant.BILL_FETCH_DELAY_MS);
 			} catch (InterruptedException e) {
 				Thread.currentThread().interrupt();
 				LOGGER.warn("Thread interrupted during delay: {}", e.getMessage());
@@ -159,7 +151,7 @@ public class AgentServiceImpl implements AgentService {
 			return fetchBillById(billFetchByBillIdRequest, inboundLog);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("JSON Parsing Error: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -167,27 +159,22 @@ public class AgentServiceImpl implements AgentService {
 	public ResponseModel fetchBillById(BillFetchByBillIdRequest billFetchByBillIdRequest, InboundTraceLog inboundLog) {
 		LOGGER.info("Fetching bill by BILLID for request ID={} and MID={}", billFetchByBillIdRequest.getReqId(),
 				billFetchByBillIdRequest.getMid());
-		String apiName = "FetchBillById";
+		String apiName = BBPSConstant.API_FETCH_BILL_BY_ID;
 		String txnId = helper.generateTxnId(15);
 		String reqId = billFetchByBillIdRequest.getReqId();
 		String billId = billFetchByBillIdRequest.getBillId();
 		String fullUrl = agentDtaUrl + BBPSConstant.BILL_FETCH_BY_ID + billFetchByBillIdRequest.getBillId();
 		helper.validateMerchant(billFetchByBillIdRequest.getMid());
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
 
-		ObjectMapper objectMapper = new ObjectMapper();
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				null);
 		LOGGER.debug("Outbound log created successfully for FetchBillById: {}", fullUrl);
 
 		try {
 			LOGGER.info("Calling external API: {}", fullUrl);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+			Map<String, String> responseMap = httpService.getRequest(fullUrl,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.info("Bill FetchById Response: {}", responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -196,8 +183,8 @@ public class AgentServiceImpl implements AgentService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response structure for txnId: {}", txnId);
 				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
 						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
@@ -211,71 +198,56 @@ public class AgentServiceImpl implements AgentService {
 			LOGGER.info("Current Bill Status: {}", status);
 
 			helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
-			helper.saveOrUpdateBillData(responseWrapper, billFetchByBillIdRequest, txnId);
+			mapperHelper.saveOrUpdateBillData(responseWrapper, billFetchByBillIdRequest, txnId);
 			LOGGER.info("Bill data saved successfully for billId: {}", billId);
 
 			return new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing BillById JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
 
 	@Override
 	public ResponseModel fetchBillById(BillFetchByBillIdRequest billFetchByBillIdRequest) {
-		String apiName = "FetchBillById";
+
+		String apiName = BBPSConstant.API_FETCH_BILL_BY_ID;
 		String reqId = billFetchByBillIdRequest.getReqId();
 		String billId = billFetchByBillIdRequest.getBillId();
 		String mid = billFetchByBillIdRequest.getMid();
-
 		LOGGER.info("[{}] START | reqId={} | mid={} | billId={}", apiName, reqId, mid, billId);
+		String fullUrl = agentDtaUrl + BBPSConstant.BILL_FETCH_BY_ID + billFetchByBillIdRequest.getBillId();
 
 		helper.validateMerchant(mid);
 		String txnId = helper.generateTxnId(15);
-		String fullUrl = agentDtaUrl + BBPSConstant.BILL_FETCH_BY_ID + billFetchByBillIdRequest.getBillId();
-
-		LOGGER.info("Initiating {} API for billId={} and reqId={}", apiName, billId, reqId);
-
-		// create inbound log (GET -> no request body)
 		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, billFetchByBillIdRequest.getMid(),
-				"GET", null);
-
+				BBPSConstant.HTTP_GET, null);
+		LOGGER.info("Initiating {} API for billId={} and reqId={}", apiName, billId, reqId);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				null);
 		try {
-			LOGGER.debug("Merchant validated successfully for MID={}", billFetchByBillIdRequest.getMid());
 
-			BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-			HttpHeaders headers = new HttpHeaders();
-			headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-			headers.set("agentId", headersData.getAgentId());
-			headers.set("tenantId", headersData.getTenantId());
-			headers.setContentType(MediaType.APPLICATION_JSON);
+			LOGGER.info("Calling external BBPS API for FetchBillById, URL={}", fullUrl);
+			Map<String, String> responseMap = httpService.getRequest(fullUrl,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+			LOGGER.info("Response received from BBPS for billId={} : {}", billId, responseData);
 
-			// create outbound log
-			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
-			LOGGER.info("[{}] Calling BBPS FetchBillById API | URL={}", apiName, fullUrl);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
-			LOGGER.debug("[{}] BBPS Response | billId={} | data={}", apiName, billId, responseData);
-
-			// update outbound log with response
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
-			ObjectMapper objectMapper = new ObjectMapper();
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response structure received for billId={} | Response={}", billId, responseData);
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode
+				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
+						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
 						String.valueOf(dataMap.get("remarks")));
 			}
-
 			BillDataResponse responseWrapper = objectMapper.convertValue(dataMap, BillDataResponse.class);
 			GeneralResp generalResp = responseWrapper.getGenericResponse();
 			ResponseModel responseModel = new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
@@ -288,17 +260,18 @@ public class AgentServiceImpl implements AgentService {
 			LOGGER.info("[{}] END | reqId={} | status={}", apiName, reqId, generalResp.getStatus());
 			return responseModel;
 
-		} catch (JsonProcessingException e) {
+		}
+
+		catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON for billId={} : {}", billId, e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
 
 	@Override
 	public ResponseModel initiateBillValidate(FetchBillValidatestRequest fetchBillValidateRequest) {
-
-		String apiName = "InitiateBillValidate";
+		String apiName = BBPSConstant.API_INITIATE_BILL_VALIDATE;
 		String reqId = fetchBillValidateRequest.getReqId();
 		String mid = fetchBillValidateRequest.getMid();
 
@@ -309,32 +282,25 @@ public class AgentServiceImpl implements AgentService {
 		String fullUrl = agentDtaUrl + BBPSConstant.BILLER_VALIDATE_URL;
 		fetchBillValidateRequest.setClientReqId(txnId);
 
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-		FetchBillValidatestForwardRequest forwardReq = helper
+		FetchBillValidatestForwardRequest forwardReq = mapperHelper
 				.fetchBillValidatestForwardRequest(fetchBillValidateRequest);
 
 		String forwardJson = helper.convertObjectToJson(forwardReq);
 
 		String requestJson = helper.convertObjectToJson(fetchBillValidateRequest);
 
-		// ✅ Create inbound & outbound logs
 		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, fetchBillValidateRequest.getMid(),
-				"POST", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "POST", forwardJson);
+				BBPSConstant.HTTP_POST, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_POST,
+				forwardJson);
 		LOGGER.debug("Outbound log created successfully for txnId: {} and reqId: {}", txnId, reqId);
 
 		try {
+
 			LOGGER.info("[{}] Calling external API | URL={}", apiName, fullUrl);
-			Map<String, String> responseMap = httpService.postRequest(fullUrl, forwardJson, headers);
-			String responseData = responseMap.get("data");
+			Map<String, String> responseMap = httpService.postRequest(fullUrl, forwardJson,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 			LOGGER.debug("Response received from BBPS: {}", responseData);
@@ -342,8 +308,8 @@ public class AgentServiceImpl implements AgentService {
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response received for txnId: {}", txnId);
 				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
 						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
@@ -373,8 +339,7 @@ public class AgentServiceImpl implements AgentService {
 			billFetchByBillIdRequest.setReqId(reqId);
 			LOGGER.info("Waiting for 2 seconds before fetching bill by ID...");
 			try {
-
-				Thread.sleep(12000);
+				Thread.sleep((long) BBPSConstant.BILL_VALIDATE_DELAY_MS);
 			} catch (InterruptedException e) {
 				Thread.currentThread().interrupt();
 				LOGGER.warn("Thread interrupted during delay: {}", e.getMessage());
@@ -384,40 +349,32 @@ public class AgentServiceImpl implements AgentService {
 			return BillvaidateByBillId(billFetchByBillIdRequest, inboundLog);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("JSON Parsing Error: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
-
 	}
 
 	public ResponseModel BillvaidateByBillId(BillFetchByBillIdRequest billRequest, InboundTraceLog inboundLog) {
 		{
 			LOGGER.info("Validating bill by BILLID for request ID={} and MID={}", billRequest.getReqId(),
 					billRequest.getMid());
-			String apiName = "FetchBillById";
+			String apiName = BBPSConstant.API_FETCH_BILL_BY_ID;
 			String txnId = helper.generateTxnId(15);
 			String reqId = billRequest.getReqId();
 			String billId = billRequest.getBillId();
 			String fullUrl = agentDtaUrl + BBPSConstant.BILL_VALIDATE_ID_URL + billRequest.getBillId();
-			;
 
 			helper.validateMerchant(billRequest.getMid());
 
-			BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-			HttpHeaders headers = new HttpHeaders();
-			headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-			headers.set("agentId", headersData.getAgentId());
-			headers.set("tenantId", headersData.getTenantId());
-			headers.setContentType(MediaType.APPLICATION_JSON);
-
-			ObjectMapper objectMapper = new ObjectMapper();
-			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
 			LOGGER.debug("Outbound log created successfully for FetchBillById: {}", fullUrl);
 
 			try {
 				LOGGER.info("Calling external API: {}", fullUrl);
-				Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-				String responseData = responseMap.get("data");
+				Map<String, String> responseMap = httpService.getRequest(fullUrl,
+						helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+				String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 				LOGGER.info("Bill FetchById Response: {}", responseData);
 
 				helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -426,8 +383,8 @@ public class AgentServiceImpl implements AgentService {
 						new TypeReference<Map<String, Object>>() {
 						});
 
-				if (!dataMap.containsKey("genericResponse")) {
-					helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+				if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+					helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 					LOGGER.warn("Invalid response structure for txnId: {}", txnId);
 					throw new CustomException(String.valueOf(dataMap.get("message")),
 							String.valueOf(dataMap.get("status")),
@@ -444,14 +401,14 @@ public class AgentServiceImpl implements AgentService {
 
 				helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
 				System.out.println("responseWrapper:" + responseWrapper);
-				helper.saveBillValidation(responseWrapper, billRequest);
+				mapperHelper.saveBillValidation(responseWrapper, billRequest);
 				LOGGER.info("Bill data saved successfully for billId: {}", billId);
 
 				return new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
 						Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 			} catch (JsonProcessingException e) {
 				LOGGER.error("Error parsing BillById JSON: {}", e.getMessage(), e);
-				helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+				helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 				throw new CustomException("Invalid JSON received from API");
 			}
 
@@ -460,7 +417,9 @@ public class AgentServiceImpl implements AgentService {
 
 	@Override
 	public ResponseModel initiateBillValidateByBillId(BillFetchByBillIdRequest billRequest) {
-		String apiName = "FetchBillById";
+
+		String apiName = BBPSConstant.API_FETCH_BILL_BY_ID;
+
 		String reqId = billRequest.getReqId();
 		String billId = billRequest.getBillId();
 		String mid = billRequest.getMid();
@@ -472,36 +431,28 @@ public class AgentServiceImpl implements AgentService {
 
 		LOGGER.info("Initiating {} API for billId={} and reqId={}", apiName, billId, reqId);
 
-		// create inbound log (GET -> no request body)
-		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, billRequest.getMid(), "GET", null);
+		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, billRequest.getMid(),
+				BBPSConstant.HTTP_GET, null);
 
 		try {
 
-			BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-			HttpHeaders headers = new HttpHeaders();
-			headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-			headers.set("agentId", headersData.getAgentId());
-			headers.set("tenantId", headersData.getTenantId());
-			headers.setContentType(MediaType.APPLICATION_JSON);
-
-			// create outbound log
-			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
 			LOGGER.info("Calling external BBPS API for ValidateByBillId, URL={}", fullUrl);
 
-			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+			Map<String, String> responseMap = httpService.getRequest(fullUrl,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.info("Response received from BBPS for billId={} : {}", billId, responseData);
 
-			// update outbound log with response
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
-			ObjectMapper objectMapper = new ObjectMapper();
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new com.fasterxml.jackson.core.type.TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response structure received for billId={} | Response={}", billId, responseData);
 				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
 						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
@@ -512,9 +463,8 @@ public class AgentServiceImpl implements AgentService {
 					FetchBillValidateResponse.class);
 			GeneralResp generalResp = responseWrapper.getGenericResponse();
 
-			// update inbound log and save validation data
 			helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
-			helper.saveBillValidation(responseWrapper, billRequest);
+			mapperHelper.saveBillValidation(responseWrapper, billRequest);
 			LOGGER.info("Bill validation saved successfully for billId: {}", billId);
 			LOGGER.info("[{}] END | reqId={} | status={}", apiName, reqId, generalResp.getStatus());
 			return new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
@@ -522,18 +472,23 @@ public class AgentServiceImpl implements AgentService {
 
 		} catch (com.fasterxml.jackson.core.JsonProcessingException e) {
 			LOGGER.error("Error parsing ValidateByBillId JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
-
 	// ================================== Bill fetch and Bill Validate by Client Req
 	// Id==================================//
+	// =======
+
+	// ... remaining methods unchanged except where headers/objectMapper were
+	// previously created (they now use buildHeaders() and the class-level
+	// objectMapper)
+	// >>>>>>>d0812656ff2aee80b1eb0c0ab8e29a01d7d66553
 
 	@Override
 	public ResponseModel fetchBillValidateByClientReqId(BillValidateByClientIdRequest billValidateByClientIdRequest) {
 
-		String apiName = "FetchBillValidateByClientIdRequest";
+		String apiName = BBPSConstant.API_FETCH_BILL_VALIDATE_BY_CLIENT_ID;
 		String reqId = billValidateByClientIdRequest.getReqId();
 		String clientReqId = billValidateByClientIdRequest.getClientReqId();
 		String mid = billValidateByClientIdRequest.getMid();
@@ -545,30 +500,22 @@ public class AgentServiceImpl implements AgentService {
 		String txnId = helper.generateTxnId(15);
 		Optional<BillInitiate> billInitiate = billIntiateRepository.findByReqId(clientReqId);
 		if (billInitiate.isEmpty()) {
-			throw new CustomException("No Bill Found for given Client Req Id");
+			throw new CustomException(BBPSConstant.NO_BILL_FOUND);
 		}
 
 		String fullUrl = agentDtaUrl + BBPSConstant.BILL_VALIDATE_BY_CLIENT_REQ_ID + billInitiate.get().getTxnId();
-
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		ObjectMapper objectMapper = new ObjectMapper();
-
-		// 🔵 Create Inbound + Outbound Logs
+		helper.validateMerchant(billValidateByClientIdRequest.getMid());
 		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName,
-				billValidateByClientIdRequest.getMid(), "GET", null);
+				billValidateByClientIdRequest.getMid(), BBPSConstant.HTTP_GET, null);
 
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				null);
 
 		try {
-			LOGGER.info("[{}] Calling BBPS API | URL={} | reqId={}", apiName, fullUrl, reqId);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+			LOGGER.info("Calling BBPS API FetchBillValidateByClientReqId, URL={}", fullUrl);
+			Map<String, String> responseMap = httpService.getRequest(fullUrl,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
@@ -576,8 +523,8 @@ public class AgentServiceImpl implements AgentService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
 						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
 						String.valueOf(dataMap.get("remarks")));
@@ -593,7 +540,7 @@ public class AgentServiceImpl implements AgentService {
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 
 		} catch (JsonProcessingException e) {
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -601,7 +548,7 @@ public class AgentServiceImpl implements AgentService {
 	@Override
 	public ResponseModel fetchBillByClientReqId(BillFetchByClientIdRequest billFetchByClientIdRequest) {
 
-		String apiName = "FetchBillByClientIdRequest";
+		String apiName = BBPSConstant.API_FETCH_BILL_BY_CLIENT_ID;
 		String reqId = billFetchByClientIdRequest.getReqId();
 		String clientReqId = billFetchByClientIdRequest.getClientReqId();
 		String mid = billFetchByClientIdRequest.getMid();
@@ -613,30 +560,22 @@ public class AgentServiceImpl implements AgentService {
 
 		Optional<BillInitiate> billInitiate = billIntiateRepository.findByReqId(clientReqId);
 		if (billInitiate.isEmpty()) {
-			throw new CustomException("No Bill Found for given Client Req Id");
+			throw new CustomException(BBPSConstant.NO_BILL_FOUND);
 		}
 
 		String fullUrl = agentDtaUrl + BBPSConstant.BILL_VALIDATE_BY_CLIENT_REQ_ID + billInitiate.get().getTxnId();
-
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		ObjectMapper objectMapper = new ObjectMapper();
-
-		// 🔵 Create inbound + outbound logs
+		helper.validateMerchant(billFetchByClientIdRequest.getMid());
 		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, billFetchByClientIdRequest.getMid(),
-				"GET", null);
+				BBPSConstant.HTTP_GET, null);
 
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				null);
 
 		try {
 			LOGGER.info("[{}] Calling external API | URL={} | reqId={}", apiName, fullUrl, reqId);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+			Map<String, String> responseMap = httpService.getRequest(fullUrl,
+					helper.buildHeaders(beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID)));
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
@@ -644,8 +583,8 @@ public class AgentServiceImpl implements AgentService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
 						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
 						String.valueOf(dataMap.get("remarks")));
@@ -660,7 +599,7 @@ public class AgentServiceImpl implements AgentService {
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 
 		} catch (JsonProcessingException e) {
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -852,4 +791,27 @@ public class AgentServiceImpl implements AgentService {
 	 * }
 	 */
 
+	@Override
+	public ResponseModel processBillFetchCallback(BillDataResponse billDataResponse) {
+		LOGGER.info("Recived Call Back from billDataResponse: {}", billDataResponse);
+		if (billDataResponse.getGenericResponse().getStatusCode().equals(BBPSConstant.SUCCESS_CODE_STR)) {
+		} else {
+			LOGGER.info("Bill Fetch Callback Failed with Status: {}",
+					billDataResponse.getGenericResponse().getStatus());
+		}
+		return new ResponseModel(BBPSConstant.CALLBACK_RECEIVED_SUCCESS, BBPSConstant.SUCCESS_CODE_STR,
+				BBPSConstant.HTTP_OK_INT, "");
+	}
+
+	@Override
+	public ResponseModel processBillValidateCallback(FetchBillValidateResponse billValidateResponse) {
+		LOGGER.info("Recived Call Back from FetchBillValidateResponse: {}", billValidateResponse);
+		if (billValidateResponse.getGenericResponse().getStatusCode().equals(BBPSConstant.SUCCESS_CODE_STR)) {
+		} else {
+			LOGGER.info("Bill Fetch Callback Failed with Status: {}",
+					billValidateResponse.getGenericResponse().getStatus());
+		}
+		return new ResponseModel(BBPSConstant.CALLBACK_RECEIVED_SUCCESS, BBPSConstant.SUCCESS_CODE_STR,
+				BBPSConstant.HTTP_OK_INT, "");
+	}
 }

src/main/java/com/billpaymentservice/bbps/serviceImpl/ComplainServiceImpl.java

@@ -1,3 +1,4 @@
+// language: java
 package com.billpaymentservice.bbps.serviceImpl;
 
 import java.util.List;
@@ -7,7 +8,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.RestClient;
 
@@ -62,8 +62,9 @@ public class ComplainServiceImpl implements ComplainService {
 	private final ComplainRepository complainRepository;
 	private final ComplaintOptionsStatusMasterRepository complaintStatusMasterRepository;
 
-	private final ObjectMapper objectMapper = new ObjectMapper();
-	private static final Logger LOGGER = LoggerFactory.getLogger(AgentServiceImpl.class);
+	// moved to class-level
+	private final ObjectMapper objectMapper;
+	private static final Logger LOGGER = LoggerFactory.getLogger(ComplainServiceImpl.class);
 
 	public ComplainServiceImpl(RestClient restClient, HttpService httpService, Helper helper,
 			BharatConnectMasterRepository beneficiaryDetailsRepository, BillerMapperHelper mapperHelper,
@@ -76,12 +77,16 @@ public class ComplainServiceImpl implements ComplainService {
 		this.mapperHelper = mapperHelper;
 		this.complainRepository = complainRepository;
 		this.complaintStatusMasterRepository = complaintStatusMasterRepository;
+
+		// initialize shared ObjectMapper once
+		this.objectMapper = new ObjectMapper();
+		this.objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 	}
 
 	@Override
 	public ResponseModel addComplain(ComplaintRequestDTO complainRequestDTO) {
 
-		String apiName = "ADD_COMPLAIN";
+		String apiName = BBPSConstant.API_ADD_COMPLAIN;
 		String requestId = complainRequestDTO.getReqId();
 		String mid = complainRequestDTO.getMid();
 
@@ -92,25 +97,19 @@ public class ComplainServiceImpl implements ComplainService {
 		String fullUrl = complainDataUrl + BBPSConstant.ADD_COMPLAIN_ENDPOINT;
 		LOGGER.info("[{}] Full URL={}", apiName, fullUrl);
 		// Fetch tenant & agent from DB
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-		// Convert input DTO to JSON
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
 		ObjectMapper objectMapper = new ObjectMapper();
 		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 		FetchComplaintForwardRequest forwardReq = helper.fetchComplaintForwardRequestMap(complainRequestDTO);
 
 		String forwardJson = helper.convertObjectToJson(forwardReq);
 		String requestJson = helper.convertObjectToJson(complainRequestDTO);
+		HttpHeaders headers = helper.buildHeaders(headersData);
 
 		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnId, apiName, complainRequestDTO.getMid(),
-				"POST", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, fullUrl, "POST",
-				forwardJson);
+				BBPSConstant.HTTP_POST, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, fullUrl,
+				BBPSConstant.HTTP_POST, null);
 
 		try {
 			// Inject tenantId + agentId into request JSON
@@ -124,13 +123,13 @@ public class ComplainServiceImpl implements ComplainService {
 			// IMPORTANT: Send finalJson, not requestJson
 			Map<String, String> responseMap = httpService.postRequest(fullUrl, finalJson, headers);
 
-			String responseData = responseMap.get("data");
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.debug("[{}] Response Received | reqId={} | data={}", apiName, requestId, responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
 			// Handle HttpService error wrapper
-			if (responseData.startsWith("HttpService Error")) {
+			if (responseData.startsWith(BBPSConstant.HTTP_SERVICE_ERROR_PREFIX)) {
 				int start = responseData.indexOf("{");
 				int end = responseData.lastIndexOf("}");
 				if (start != -1 && end != -1) {
@@ -144,13 +143,14 @@ public class ComplainServiceImpl implements ComplainService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			int statusCode = Integer.parseInt(String.valueOf(dataMap.get("statusCode")));
+			int statusCode = Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY)));
 
 			// Throw exception for non-200
-			if (statusCode != 200) {
+			if (statusCode != BBPSConstant.HTTP_OK_INT) {
 				LOGGER.warn("[{}] Failure Response | reqId={} | statusCode={}", apiName, requestId, statusCode);
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						statusCode, String.valueOf(dataMap.get("remarks")));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), statusCode,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			// Convert to response wrapper
@@ -165,7 +165,7 @@ public class ComplainServiceImpl implements ComplainService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("JSON Parsing Error: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -173,9 +173,7 @@ public class ComplainServiceImpl implements ComplainService {
 	@Override
 	public ResponseModel getComplaintStatus(GetTicketLatestStausRequest request) {
 
-		LOGGER.info("Fetching Complaint Status for TicketId={} ReqId={}", request.getTicketId(), request.getReqId());
-
-		String apiName = "COMPLAINT_STATUS";
+		String apiName = BBPSConstant.API_COMPLAINT_STATUS;
 		String reqId = request.getReqId();
 		String complaintId = request.getTicketId();
 		String mid = request.getMid();
@@ -184,16 +182,11 @@ public class ComplainServiceImpl implements ComplainService {
 		LOGGER.info("[{}] START | reqId={} | mid={} | ticketId={}", apiName, reqId, mid, ticketId);
 		String fullUrl = agentDtaUrl + BBPSConstant.COMPALINT_STATUS;
 
-		LOGGER.info("FUll URL -: " + fullUrl);
-		helper.validateMerchant(mid);
+		helper.validateMerchant(request.getMid());
 		String txnId = helper.generateTxnId(15);
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
 
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
+		HttpHeaders headers = helper.buildHeaders(headersData);
 
 		// Convert request to JSON
 		ObjectMapper objectMapper = new ObjectMapper();
@@ -203,10 +196,10 @@ public class ComplainServiceImpl implements ComplainService {
 		String forwardJson = helper.convertObjectToJson(forwardReq);
 		String requestJson = helper.convertObjectToJson(request);
 
-		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(), "POST",
-				requestJson);
-
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "POST", forwardJson);
+		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(),
+				BBPSConstant.HTTP_POST, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_POST,
+				complaintId);
 
 		try {
 
@@ -219,59 +212,56 @@ public class ComplainServiceImpl implements ComplainService {
 
 			Map<String, String> responseMap = httpService.postRequest(fullUrl, finalJson, headers);
 
-			String responseData = responseMap.get("data");
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 
 			LOGGER.debug("[{}] Raw Response | reqId={} | data={}", apiName, reqId, responseData);
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
-			if (responseData.startsWith("HttpService Error")) {
+			// Handle HttpService error wrapper
+			if (responseData.startsWith(BBPSConstant.HTTP_SERVICE_ERROR_PREFIX)) {
 				int start = responseData.indexOf("{");
 				int end = responseData.lastIndexOf("}");
 				if (start != -1 && end != -1) {
 					responseData = responseData.substring(start, end + 1);
-					LOGGER.info("Extracted Clean JSON: {}", responseData);
 				}
+
+				LOGGER.info("Extracted pure JSON from error: {}", responseData);
 			}
 
-			// Convert JSON to Map
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			int statusCode = Integer.parseInt(String.valueOf(dataMap.get("statusCode")));
-
-			if (statusCode != 200) {
-				LOGGER.warn("[{}] Failure Response | reqId={} | statusCode={}", apiName, reqId, statusCode);
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						statusCode, String.valueOf(dataMap.get("remarks")));
+			int statusCode = Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY)));
+			if (statusCode != BBPSConstant.HTTP_OK_INT) {
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), statusCode,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			TicketCheckStatusResponse responseWrapper = objectMapper.convertValue(dataMap,
 					TicketCheckStatusResponse.class);
-			LOGGER.info("[{}] Complaint Status | ticketId={} | status={}", apiName, ticketId,
-					responseWrapper.getStatus());
 
-			helper.updateInboundLogSuccess(inboundLog, responseData, responseWrapper.getStatus());
-
-			// Save in DB
 			String saveComplaintStatus = mapperHelper.saveComplaintStatus(responseWrapper, reqId, txnId);
 			LOGGER.info("[{}] Save Status | ticketId={} | status={}", apiName, ticketId, saveComplaintStatus);
+			helper.updateInboundLogSuccess(inboundLog, responseData, responseWrapper.getStatus());
+
 			return new ResponseModel(responseWrapper.getMessage(), responseWrapper.getStatus(),
 					Integer.parseInt(responseWrapper.getStatusCode()), responseWrapper);
 
 		} catch (JsonProcessingException e) {
-
-			LOGGER.error("Error parsing Complaint Status JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			LOGGER.error("Error parsing JSON in complaint status API: {}", e.getMessage(), e);
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
-
 		}
 	}
 
 	@Override
 	public ResponseModel viewComplaintHistory(ComplainStatusRequest request) {
 
-		String apiName = "View_Complaint_History";
+		LOGGER.info("Fetching View Complaint History Complaint by Complaint Id={}", request.getTicketId(),
+				request.getReqId());
+		String apiName = BBPSConstant.API_VIEW_COMPLAINT_HISTORY;
 		String reqId = request.getReqId();
 		String ticketId = request.getTicketId();
 		String mid = request.getMid();
@@ -281,26 +271,23 @@ public class ComplainServiceImpl implements ComplainService {
 
 		helper.validateMerchant(request.getMid());
 		String txnId = helper.generateTxnId(15);
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
 
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+		HttpHeaders headers = helper.buildHeaders(headersData);
+
 		String requestJson = helper.convertObjectToJson(request);
 
-		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(), "GET",
-				requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", ticketId);
-		LOGGER.debug("[{}] Outbound log created | URL={}", apiName, fullUrl);
+		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(),
+				BBPSConstant.HTTP_GET, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				ticketId);
+		LOGGER.debug("Outbound log created successfully for Complaint : {}", fullUrl);
 
 		try {
 			LOGGER.info("[{}] Calling external API | URL={} | reqId={}", apiName, fullUrl, reqId);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.debug("[{}] Raw Response | reqId={} | data={}", apiName, reqId, responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -309,11 +296,15 @@ public class ComplainServiceImpl implements ComplainService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
 				LOGGER.warn("[{}] Invalid response structure | reqId={} | data={}", apiName, reqId, responseData);
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), String.valueOf(""));
+
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
+				LOGGER.warn("Invalid response structure for txnId: {}", txnId);
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)),
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))),
+						String.valueOf(""));
 			}
 
 			ComplaintHistoryStatusResponse responseWrapper = objectMapper.convertValue(dataMap,
@@ -331,14 +322,15 @@ public class ComplainServiceImpl implements ComplainService {
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing Complaint Id JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
 
 	@Override
 	public ResponseModel viewComplaintById(ComplainStatusRequest request) {
-		String apiName = "View_Complaint_By_ID";
+
+		String apiName = BBPSConstant.API_VIEW_COMPLAINT_BY_ID;
 		String reqId = request.getReqId();
 		String ticketId = request.getTicketId();
 		String mid = request.getMid();
@@ -349,26 +341,21 @@ public class ComplainServiceImpl implements ComplainService {
 		String txnId = helper.generateTxnId(15);
 		String fullUrl = agentDtaUrl + BBPSConstant.VIEW_COMPLAINT_BY_ID + request.getTicketId();
 
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+		HttpHeaders headers = helper.buildHeaders(headersData);
 
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 		String requestJson = helper.convertObjectToJson(request);
 
-		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(), "GET",
-				requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", ticketId);
+		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(),
+				BBPSConstant.HTTP_GET, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				ticketId);
 		LOGGER.debug("Outbound log created successfully for Complaint : {}", fullUrl);
 
 		try {
 			LOGGER.info("[{}] Calling external API | reqId={} | URL={}", apiName, reqId, fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.info("Complaint History Complaint FetchById Response: {}", responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -377,11 +364,13 @@ public class ComplainServiceImpl implements ComplainService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response structure for txnId: {}", txnId);
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), String.valueOf(""));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)),
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))),
+						String.valueOf(""));
 			}
 
 			ViewComplainByIdResponse responseWrapper = objectMapper.convertValue(dataMap,
@@ -399,7 +388,7 @@ public class ComplainServiceImpl implements ComplainService {
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing Complaint Id JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -408,19 +397,20 @@ public class ComplainServiceImpl implements ComplainService {
 	public ResponseModel getAllActiveStatuses(AllMasterOptionsRequest request) {
 
 		try {
-			String apiName = "View All Options Fetch By Id";
-			String reqId = request.getReqId();
-			String fullUrl = "Data Base Options";
-			String mid = request.getMid();
-			LOGGER.info("[{}] START | reqId={} | mid={}", apiName, reqId, mid);
-			// Validate merchant
-			helper.validateMerchant(mid);
-			String txnId = helper.generateTxnId(15);
-			String requestJson = helper.convertObjectToJson(request);
 
-			InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(), "GET",
-					requestJson);
-			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", null);
+			LOGGER.info("Fetch All Master Options - MID: {}", request.getMid());
+			String apiName = BBPSConstant.API_GET_ALL_MASTER_OPTIONS;
+			String txnId = helper.generateTxnId(15);
+			String reqId = request.getReqId();
+			String fullUrl = BBPSConstant.DB_OPTIONS;
+
+			String requestJson = helper.convertObjectToJson(request);
+			// Validate merchant
+			helper.validateMerchant(request.getMid());
+			InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(),
+					BBPSConstant.HTTP_GET, requestJson);
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
 			LOGGER.debug("Outbound log created successfully for Complaint : {}", fullUrl);
 
 			// Fetch data from DB
@@ -431,26 +421,31 @@ public class ComplainServiceImpl implements ComplainService {
 
 			// Check empty or null
 			if (allActiveStatuses == null || allActiveStatuses.isEmpty()) {
-				helper.updateInboundLogFailure(inboundLog, allActiveStatuses.toString(), "Null Data From DB");
-				return new ResponseModel("No Master Fields Found", "failed", 404, null, 0);
+				helper.updateInboundLogFailure(inboundLog, String.valueOf(allActiveStatuses),
+						BBPSConstant.NULL_DATA_FROM_DB);
+				return new ResponseModel(BBPSConstant.NO_MASTER_FIELDS_FOUND, BBPSConstant.FAILED_STATUS,
+						BBPSConstant.HTTP_NOT_FOUND, null, 0);
 			}
 
-			helper.updateInboundLogSuccess(inboundLog, allActiveStatuses.toString(), "200");
+			helper.updateInboundLogSuccess(inboundLog, String.valueOf(allActiveStatuses),
+					String.valueOf(BBPSConstant.HTTP_OK_INT));
 			// SUCCESS RESPONSE
-			return new ResponseModel("All Master Fields Fetch", "SUCCESS", 200, allActiveStatuses,
-					allActiveStatuses.size());
+			return new ResponseModel(BBPSConstant.ALL_MASTER_FIELDS_FETCH, BBPSConstant.SUCCESS_RESPONSE,
+					BBPSConstant.HTTP_OK_INT, allActiveStatuses, allActiveStatuses.size());
 
 		}
 
 		catch (Exception e) {
 			LOGGER.error("Error while fetching master options", e);
-			return new ResponseModel("Something went wrong", "failed", 500, null, 0);
+			return new ResponseModel(BBPSConstant.SOMETHING_WENT_WRONG, BBPSConstant.FAILED_STATUS,
+					BBPSConstant.HTTP_INTERNAL_SERVER_ERROR, null, 0);
 		}
 
 	}
 
 	public ResponseModel checkTxnStatus(TxnStatusRequest request) {
-		String apiName = "Check_Txn_Status";
+
+		String apiName = BBPSConstant.API_CHECK_TXN_STATUS;
 		String reqId = request.getReqId();
 		String ID = request.getId();
 		String mid = request.getMid();
@@ -461,26 +456,21 @@ public class ComplainServiceImpl implements ComplainService {
 		String txnId = helper.generateTxnId(15);
 		String fullUrl = agentDtaUrl + BBPSConstant.CHECK_TRANSACTION_URL + request.getId();
 
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+		HttpHeaders headers = helper.buildHeaders(headersData);
 
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 		String requestJson = helper.convertObjectToJson(request);
 
-		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(), "GET",
-				requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET", ID);
+		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(),
+				BBPSConstant.HTTP_GET, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
+				ID);
 		LOGGER.debug("Outbound log created successfully for Complaint : {}", fullUrl);
 
 		try {
 			LOGGER.info("[{}] Calling external BBPS API | URL={}", apiName, fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.info("checkTxnStatus: {}", responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -489,11 +479,13 @@ public class ComplainServiceImpl implements ComplainService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response structure for txnId: {}", txnId);
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), String.valueOf(""));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)),
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))),
+						String.valueOf(""));
 			}
 
 			TxnStatusResponse responseWrapper = objectMapper.convertValue(dataMap, TxnStatusResponse.class);
@@ -508,7 +500,7 @@ public class ComplainServiceImpl implements ComplainService {
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing Complaint Id JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 
@@ -517,9 +509,7 @@ public class ComplainServiceImpl implements ComplainService {
 	@Override
 	public ResponseModel ViewAllComplaints(ViewAllComplaintsTicketsRequest request) {
 
-		LOGGER.info("Fetching All Complaint for status Type={} and reqId={} ", request.getStatusType(),
-				request.getReqId());
-		String apiName = "View_All_Complaint_By_Status_Type";
+		String apiName = BBPSConstant.API_VIEW_ALL_COMPLAINTS_BY_STATUS;
 		String reqId = request.getReqId();
 		String mid = request.getMid();
 		String statusType = request.getStatusType();
@@ -532,28 +522,22 @@ public class ComplainServiceImpl implements ComplainService {
 				+ "&pageSize=" + request.getPageSize() + "&statusType=" + request.getStatusType() + "&ticketType="
 				+ request.getTicketType();
 
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+		HttpHeaders headers = helper.buildHeaders(headersData);
 
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 		String requestJson = helper.convertObjectToJson(request);
-
-		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(), "GET",
-				requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, "GET",
+		InboundTraceLog inboundLog = helper.createInboundLog(reqId, txnId, apiName, request.getMid(),
+				BBPSConstant.HTTP_POST, requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, reqId, apiName, fullUrl, BBPSConstant.HTTP_GET,
 				request.getStatusType());
 		LOGGER.debug("Outbound log created successfully for Complaint : {}", fullUrl);
 
 		try {
 			LOGGER.info("[{}] Calling external API | URL={}", apiName, fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
-			String responseData = responseMap.get("data");
-			LOGGER.info("[{}] API Response received", apiName);
+
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+			LOGGER.info("Response: {}", responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
@@ -561,11 +545,13 @@ public class ComplainServiceImpl implements ComplainService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 				LOGGER.warn("Invalid response structure for txnId: {}", txnId);
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), String.valueOf(""));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)),
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))),
+						String.valueOf(""));
 			}
 
 			ViewAllComplaintsTicketsResponse responseWrapper = objectMapper.convertValue(dataMap,
@@ -582,9 +568,9 @@ public class ComplainServiceImpl implements ComplainService {
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing Complaint Id JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
 
-}
+}

src/main/java/com/billpaymentservice/bbps/serviceImpl/MasterDataServiceImpl.java

@@ -1,4 +1,3 @@
-// java
 package com.billpaymentservice.bbps.serviceImpl;
 
 import java.util.List;
@@ -10,9 +9,8 @@ import org.modelmapper.convention.MatchingStrategies;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpHeaders;
 import org.springframework.stereotype.Service;
-
-import com.billpaymentservice.bbps.dto.ContactMaster;
 import com.billpaymentservice.bbps.dto.CustomParamDTO;
 import com.billpaymentservice.bbps.dto.CustomerParamGroupsDTO;
 import com.billpaymentservice.bbps.dto.GeneralResp;
@@ -57,6 +55,7 @@ import com.billpaymentservice.bbps.util.BBPSConstant;
 import com.billpaymentservice.bbps.util.BillerMapperHelper;
 import com.billpaymentservice.bbps.util.EntityRelationshipUtil;
 import com.billpaymentservice.bbps.util.Helper;
+import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -77,7 +76,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	private final Helper helper;
 	private final BillerDataRepository billerDataRespository;
 	private final HttpService httpService;
-	private final ObjectMapper objectMapper = new ObjectMapper();
+	private final ObjectMapper objectMapper;
 	private final InboundTraceLogRepository inboundTraceLogRepository;
 	private final OutboundTraceLogRepository outboundTraceLogRepository;
 	private final CustomParamRepository customParamReposiotory;
@@ -99,50 +98,52 @@ public class MasterDataServiceImpl implements MasterDataService {
 		this.mapperHelper = mapperHelper;
 		this.customParamReposiotory = customParamReposiotory;
 
+		this.objectMapper = new ObjectMapper();
+		this.objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
 	}
 
 	@Override
 	public ResponseModel getMasterData(MasterRequest masterRequest) {
 
-		String apiName = "GetMasterData";
+		String apiName = BBPSConstant.API_GET_MASTER_DATA;
 		String requestId = masterRequest.getReqId();
 		String mid = masterRequest.getMid();
-
 		LOGGER.info("[{}] START | reqId={} | mid={}", apiName, requestId, mid);
 
 		// Merchant Validation
 		helper.validateMerchant(mid);
-
-		// check Tender Id is present DB
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		if (headersData == null) {
-			LOGGER.warn("header data not found for the orgID");
-			throw new CustomException("Something went wrong", "FAILED", 500, "");
-		}
-		// get full url
-		String fullUrl = masterRegisterUrl + BBPSConstant.MASTER_CATEGORY_URL + headersData.getTenantId();
 		String txnID = helper.generateTxnId(15);
-
 		String requestJson = helper.convertObjectToJson(masterRequest);
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, masterRequest.getMid(), "GET",
-				requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", requestJson);
-		try {
-			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
 
-			LOGGER.debug("[{}] API Response | reqId={}", apiName, requestId);
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, masterRequest.getMid(),
+				BBPSConstant.HTTP_POST, requestJson);
+		try {
+			// check Tenant Id is present DB
+			BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+			if (headersData == null) {
+				LOGGER.warn("header data not found for the orgID");
+				throw new CustomException("Something went wrong", "FAILED", 500, "");
+			}
+			// get full url
+			String fullUrl = masterRegisterUrl + BBPSConstant.MASTER_CATEGORY_URL + headersData.getTenantId();
+			LOGGER.info("Calling external API: {}", fullUrl);
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
+			HttpHeaders headers = helper.buildHeaders(headersData);
+			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode
-						String.valueOf(dataMap.get("remarks")) // remarks
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)) // remarks
 				);
 			}
 
@@ -158,8 +159,9 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
+
 		}
 
 	}
@@ -167,38 +169,46 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel getBillerByBillerId(BillerDetailRequest billerDetailRequest) {
 
-		String apiName = "Get_Biller_By_BillerId";
+		helper.validateMerchant(billerDetailRequest.getMid());
+
+		String apiName = BBPSConstant.API_GET_BILLER_BY_ID;
 		String requestId = billerDetailRequest.getReqId();
 		String billerId = billerDetailRequest.getBillerId();
 		String mid = billerDetailRequest.getMid();
 
 		LOGGER.info("[{}] START | reqId={} | mid={} | billerId={}", apiName, requestId, mid, billerId);
-		// 1. Validation
-		helper.validateMerchant(billerDetailRequest.getMid());
+
 		// 2. Transaction Id
 		String txnID = helper.generateTxnId(15);
 		// 3. Prepare URL
 		String fullUrl = masterRegisterUrl + BBPSConstant.BILLER_DATA_FETCH_URL + billerId;
 		// 4. Prepare Logs
 		String requestJson = helper.convertObjectToJson(billerDetailRequest);
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, fullUrl, "GET", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", requestJson);
 
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, billerDetailRequest.getMid(),
+				BBPSConstant.HTTP_POST, requestJson);
+
+		System.out.println(billerDataRespository.findByBillerId(billerId));
+
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+				BBPSConstant.HTTP_GET, null);
+		LOGGER.info("Calling external API: {}", fullUrl);
+		Map<String, String> responseMap = httpService.getRequest(fullUrl);
+		String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+		LOGGER.info("fetched data from api is :{}", responseData);
+		helper.updateOutboundLogResponse(outboundLog, responseData);
 		try {
-			LOGGER.info("[{}] Calling external API | URL={}", apiName, fullUrl);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
-			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
-			helper.updateOutboundLogResponse(outboundLog, responseData);
-			// Convert response
+
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)),
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 			// Mapping to Model
 			BillerDataResponse responseWrapper = objectMapper.convertValue(dataMap, BillerDataResponse.class);
@@ -207,7 +217,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 			mapper.getConfiguration().setMatchingStrategy(MatchingStrategies.STRICT);
 			BillerDetails entity = mapper.map(responseWrapper.getBillerDAO(), BillerDetails.class);
 			EntityRelationshipUtil.linkBillerRelationships(entity);// linking nesting entity foreign key
-			helper.saveOrUpdateBillerData(entity);
+			mapperHelper.saveOrUpdateBillerData(entity);
 
 			ResponseModel responseModel = new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
 					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
@@ -216,15 +226,14 @@ public class MasterDataServiceImpl implements MasterDataService {
 			return responseModel;
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
 
 	@Override
 	public ResponseModel getCustomerParamByBillerId(CustomParamRequest customerParamRequest) {
-
-		String apiName = "GetCustomerParamByBillerId";
+		String apiName = BBPSConstant.API_GET_CUSTOMER_PARAM_BY_BILLER_ID;
 		String requestId = customerParamRequest.getReqId();
 		String mid = customerParamRequest.getMid();
 
@@ -237,24 +246,30 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		String requestJson = helper.convertObjectToJson(customerParamRequest);
 		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, customerParamRequest.getMid(),
-				"GET", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", requestJson);
+				BBPSConstant.HTTP_POST, requestJson);
+
 		try {
-			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
+
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
+			LOGGER.info("Calling external API: {}", fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
-			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+			LOGGER.info("data is :{}", responseData);
+
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+																												// (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			CustomParamResp responseWrapper = objectMapper.convertValue(dataMap, CustomParamResp.class);
@@ -278,7 +293,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 			return responseModel;
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -286,7 +301,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel getContactMaster(ContactMasterRequest contactMasterRequest) {
 
-		String apiName = "Fetch_Master_Data_Category_Wise";
+		String apiName = BBPSConstant.API_FETCH_MASTER_DATA_CATEGORY_WISE;
 		String requestId = contactMasterRequest.getReqId();
 		LOGGER.info("[{}] START | reqId={} | mid={} | category={}", apiName, requestId, contactMasterRequest.getMid(),
 				contactMasterRequest.getCategory());
@@ -294,32 +309,36 @@ public class MasterDataServiceImpl implements MasterDataService {
 		helper.validateMerchant(contactMasterRequest.getMid());
 		String txnID = helper.generateTxnId(15);
 
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
+		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
 		String fullUrl = masterRegisterUrl + String.format(BBPSConstant.CONTACT_MASTER_URL, headersData.getTenantId(),
 				contactMasterRequest.getCategory());
+
 		String requestJson = helper.convertObjectToJson(contactMasterRequest);
 		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, contactMasterRequest.getMid(),
-				"GET", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", requestJson);
-
+				BBPSConstant.HTTP_POST, requestJson);
 		try {
-			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
-			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
-			LOGGER.debug("[{}] External API Response | reqId={} | data={}", apiName, requestId, responseData);
 
+			LOGGER.info("Contact Master Full URL-:" + fullUrl);
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
+
+			HttpHeaders headers = helper.buildHeaders(headersData);
+			Map<String, String> responseMap = httpService.getRequest(fullUrl, headers);
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+			LOGGER.info("Response Data: {}", responseData);
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode
-						String.valueOf(dataMap.get("remarks")) // remarks
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)) // remarks
 				);
 			}
 
@@ -339,7 +358,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 			return responseModel;
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -347,7 +366,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel fetchMasterDataCategoryWise(MasterCategoryRequest masterRequest) {
 
-		String apiName = "FetchMasterDataCategoryWise";
+		String apiName = BBPSConstant.API_FETCH_MASTER_DATA_CATEGORY_WISE;
 		String requestId = masterRequest.getReqId();
 		String mid = masterRequest.getMid();
 
@@ -362,16 +381,18 @@ public class MasterDataServiceImpl implements MasterDataService {
 		LOGGER.info("Calling external API: {}", fullUrl);
 		String requestJson = helper.convertObjectToJson(masterRequest);
 
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, masterRequest.getMid(), "POST",
-				requestJson);
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, masterRequest.getMid(),
+				BBPSConstant.HTTP_POST, requestJson);
 
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", requestJson);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+				BBPSConstant.HTTP_GET, null);
 
 		try {
 
 			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
+
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
 			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -380,12 +401,13 @@ public class MasterDataServiceImpl implements MasterDataService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode
-						String.valueOf(dataMap.get("remarks")) // remarks
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)) // remarks
 				);
 			}
 
@@ -404,7 +426,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 			return responseModel;
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -412,7 +434,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel getDispositionDetails(DispositionRequest dispositionDetailRequest) {
 
-		String apiName = "GetDispositionDetails";
+		String apiName = BBPSConstant.API_GET_TICKET_DISPOSITIONS;
 		String requestId = dispositionDetailRequest.getReqId();
 		String mid = dispositionDetailRequest.getMid();
 		LOGGER.info("[{}] START | reqId={} | mid={}", apiName, requestId, mid);
@@ -422,27 +444,30 @@ public class MasterDataServiceImpl implements MasterDataService {
 		String txnID = helper.generateTxnId(15);
 		String fullUrl = masterRegisterUrl + BBPSConstant.DISPOSTION_URL;
 		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName,
-				dispositionDetailRequest.getMid(), "GET", "N/A");
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET",
-				dispositionDetailRequest.getMid());
+				dispositionDetailRequest.getMid(), BBPSConstant.HTTP_GET, "N/A");
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+				BBPSConstant.HTTP_GET, null);
+
+		
 		try {
-			LOGGER.info("[{}] Calling external API | URL={} | Method=GET", apiName, fullUrl);
+			LOGGER.info("Calling external API: {}", fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
 
-			ObjectMapper objectMapper = new ObjectMapper();
-
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+																												// (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			DispositionResponse responseWrapper = objectMapper.convertValue(dataMap, DispositionResponse.class);
@@ -468,7 +493,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 			return responseModel;
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 
@@ -477,38 +502,39 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel fetchCustomerParamGroup(BillerDetailRequest requestModel) {
 
-		String apiName = "FetchCustomerParamGroup";
+		String apiName = BBPSConstant.API_FETCH_CUSTOMER_PARAM_GROUP;
 		String requestId = requestModel.getReqId();
 		String mid = requestModel.getMid();
 
 		LOGGER.info("[{}] START | reqId={} | mid={} | billerId={}", apiName, requestId, mid,
 				requestModel.getBillerId());
-
 		helper.validateMerchant(mid);
 		String txnID = helper.generateTxnId(15);
 		String fullUrl = masterRegisterUrl + BBPSConstant.CUSTOMER_PARAM_GROUP + requestModel.getBillerId();
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), "GET",
-				helper.convertObjectToJson(requestModel));
-
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", null);
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(),
+				BBPSConstant.HTTP_POST, helper.convertObjectToJson(requestModel));
 
 		try {
 			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
+
 			Map<String, String> apiResponse = httpService.getRequest(fullUrl);
-			String responseData = apiResponse.get("data").toString();
-			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
+			String responseData = apiResponse.get(BBPSConstant.RESPONSE_DATA_KEY).toString();
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+																												// (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			CustomerParamGroupsResponse responseWrapper = objectMapper.convertValue(dataMap,
@@ -530,7 +556,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 
@@ -539,7 +565,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel fetchAllMasterAmountOption(BillerDetailRequest requestModel) {
 
-		String apiName = "FetchAllMasterAmountOption";
+		String apiName = BBPSConstant.API_FETCH_ALL_MASTER_AMOUNT_OPTION;
 		String requestId = requestModel.getReqId();
 		String mid = requestModel.getMid();
 
@@ -549,17 +575,19 @@ public class MasterDataServiceImpl implements MasterDataService {
 		helper.validateMerchant(mid);
 
 		String txnID = helper.generateTxnId(15);
-
 		String fullUrl = masterRegisterUrl + BBPSConstant.AMOUNT_OPTIONS + requestModel.getBillerId();
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), "POST",
-				helper.convertObjectToJson(requestModel));
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", null);
-		try {
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(),
+				BBPSConstant.HTTP_POST, helper.convertObjectToJson(requestModel));
 
+		try {
 			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
+
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
+			LOGGER.info("Calling external API: {}", fullUrl);
 			Map<String, String> apiResponse = httpService.getRequest(fullUrl);
 			LOGGER.info("Response" + apiResponse);
-			String responseData = apiResponse.get("data").toString();
+			String responseData = apiResponse.get(BBPSConstant.RESPONSE_DATA_KEY).toString();
 
 			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -568,12 +596,14 @@ public class MasterDataServiceImpl implements MasterDataService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+																												// (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			AmountOptionsResponse responseWrapper = objectMapper.convertValue(dataMap, AmountOptionsResponse.class);
@@ -594,7 +624,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 
@@ -603,7 +633,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel fetchPlanCategorie(BillerDetailRequest requestModel) {
 
-		String apiName = "FetchPlanCategorie";
+		String apiName = BBPSConstant.API_FETCH_PLAN_CATEGORIES;
 		String requestId = requestModel.getReqId();
 		String mid = requestModel.getMid();
 		LOGGER.info("[{}] START | reqId={} | mid={} | billerId={}", apiName, requestId, mid,
@@ -612,14 +642,18 @@ public class MasterDataServiceImpl implements MasterDataService {
 		helper.validateMerchant(requestModel.getMid());
 		String txnID = helper.generateTxnId(15);
 		String fullUrl = masterRegisterUrl + BBPSConstant.PLAN_CATEGORIES + requestModel.getBillerId();
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), "GET",
-				helper.convertObjectToJson(requestModel));
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", null);
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(),
+				BBPSConstant.HTTP_POST, helper.convertObjectToJson(requestModel));
+	
 		try {
 			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
+
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl,
+					BBPSConstant.HTTP_GET, null);
+			LOGGER.info("Calling external API: {}", fullUrl);
 			Map<String, String> apiResponse = httpService.getRequest(fullUrl);
 			LOGGER.info("Response" + apiResponse);
-			String responseData = apiResponse.get("data").toString();
+			String responseData = apiResponse.get(BBPSConstant.RESPONSE_DATA_KEY).toString();
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
@@ -627,12 +661,14 @@ public class MasterDataServiceImpl implements MasterDataService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData,
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode
+																												// (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			PlaneCategoriesResponse responseWrapper = objectMapper.convertValue(dataMap, PlaneCategoriesResponse.class);
@@ -652,7 +688,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 
@@ -661,7 +697,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel fetchInitiatingChannel(BillerDetailRequest requestModel) {
 
-		String apiName = "FetchInitiatingChannel";
+		String apiName = BBPSConstant.API_FETCH_INITIATING_CHANNEL;
 		String requestId = requestModel.getReqId();
 		String mid = requestModel.getMid();
 
@@ -670,17 +706,17 @@ public class MasterDataServiceImpl implements MasterDataService {
 		helper.validateMerchant(mid);
 		String txnID = helper.generateTxnId(15);
 		String fullUrl = masterRegisterUrl + BBPSConstant.INITIATING_CHANNEL;
-
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), "GET",
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), BBPSConstant.HTTP_POST,
 				helper.convertObjectToJson(requestModel));
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET", mid);
 
 		try {
 			LOGGER.info("[{}] Calling Master API | URL={} | Method=GET", apiName, fullUrl);
 
+			OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, BBPSConstant.HTTP_GET, null);
+			LOGGER.info("Calling Master API: {}", fullUrl);
 			Map<String, String> apiResponse = httpService.getRequest(fullUrl);
-			String responseData = apiResponse.get("data").toString();
-			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
+			LOGGER.info("Response" + apiResponse);
+			String responseData = apiResponse.get(BBPSConstant.RESPONSE_DATA_KEY).toString();
 
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
@@ -688,12 +724,12 @@ public class MasterDataServiceImpl implements MasterDataService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			ChannelsListResponse responseWrapper = objectMapper.convertValue(dataMap, ChannelsListResponse.class);
@@ -709,7 +745,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 
 		}
@@ -717,7 +753,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 	public ResponseModel fetchPlanByCategories(PlanRequest requestModel) {
 
-		String apiName = "FetchPlanByCategories";
+		String apiName = BBPSConstant.API_FETCH_PLAN_BY_CATEGORIES;
 		String requestId = requestModel.getReqId();
 		String mid = requestModel.getMid();
 
@@ -737,14 +773,16 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		// Convert request to JSON and create inbound & outbound logs
 		String requestJson = helper.convertObjectToJson(requestModel);
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), "GET",
+
+		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, requestModel.getMid(), BBPSConstant.HTTP_POST,
 				requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, url, "GET", null);
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, url, BBPSConstant.HTTP_GET, null);
 		try {
 			LOGGER.info("[{}] Calling Master API | URL={} | Method=GET", apiName, url);
 			Map<String, String> apiResponse = httpService.getRequest(url);
-			String responseData = apiResponse.get("data");
-			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
+
+			String responseData = apiResponse.get(BBPSConstant.RESPONSE_DATA_KEY);
+			LOGGER.info("Response Data: {}", responseData);
 
 			// Update outbound log with response
 			helper.updateOutboundLogResponse(outboundLog, responseData);
@@ -753,12 +791,13 @@ public class MasterDataServiceImpl implements MasterDataService {
 					new TypeReference<Map<String, Object>>() {
 					});
 
-			if (!dataMap.containsKey("generalResp")) {
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
 				// Failure response
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
-						String.valueOf(dataMap.get("remarks")));
+				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)),
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))),
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			// Success response
@@ -777,7 +816,7 @@ public class MasterDataServiceImpl implements MasterDataService {
 
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
@@ -785,7 +824,8 @@ public class MasterDataServiceImpl implements MasterDataService {
 	@Override
 	public ResponseModel getTicketDispositions(DispositionRequest dispositionDetailRequest) {
 
-		String apiName = "GetTicketDispositionDetails";
+	
+		String apiName = BBPSConstant.API_GET_TICKET_DISPOSITIONS;
 		String requestId = dispositionDetailRequest.getReqId();
 		String mid = dispositionDetailRequest.getMid();
 
@@ -795,28 +835,27 @@ public class MasterDataServiceImpl implements MasterDataService {
 		String txnID = helper.generateTxnId(15);
 		String fullUrl = masterRegisterUrl + BBPSConstant.TICKET_DISPOSTION_URL;
 		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName,
-				dispositionDetailRequest.getMid(), "GET", "N/A");
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, "GET",
-				dispositionDetailRequest.getMid());
+				dispositionDetailRequest.getMid(), BBPSConstant.HTTP_GET, "N/A");
 
+		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, fullUrl, BBPSConstant.HTTP_GET, null);
+	
 		try {
-			LOGGER.info("[{}] Calling External API | URL={} | Method=GET", apiName, fullUrl);
+			LOGGER.info("Calling external API: {}", fullUrl);
 			Map<String, String> responseMap = httpService.getRequest(fullUrl);
-			String responseData = responseMap.get("data");
+			String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+			
 			LOGGER.debug("[{}] API Response | reqId={} | data={}", apiName, requestId, responseData);
 			helper.updateOutboundLogResponse(outboundLog, responseData);
 
-			ObjectMapper objectMapper = new ObjectMapper();
-
 			Map<String, Object> dataMap = objectMapper.readValue(responseData,
 					new TypeReference<Map<String, Object>>() {
 					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				throw new CustomException(String.valueOf(dataMap.get("message")), // message
-						String.valueOf(dataMap.get("status")), // status
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode (int)
-						String.valueOf(dataMap.get("remarks")));
+			if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+				throw new CustomException(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_MESSAGE_KEY)), // message
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)), // status
+						Integer.parseInt(String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUSCODE_KEY))), // statusCode (int)
+						String.valueOf(dataMap.get(BBPSConstant.RESPONSE_REMARKS_KEY)));
 			}
 
 			TicketDispositionResponse responseWrapper = objectMapper.convertValue(dataMap,
@@ -836,9 +875,9 @@ public class MasterDataServiceImpl implements MasterDataService {
 			return responseModel;
 		} catch (JsonProcessingException e) {
 			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage());
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
+			helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 			throw new CustomException("Invalid JSON received from API");
 		}
 	}
 
-}
+}

src/main/java/com/billpaymentservice/bbps/serviceImpl/PaymentServiceImpl.java

@@ -9,7 +9,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
 import org.springframework.stereotype.Service;
 import com.billpaymentservice.bbps.dto.GeneralResp;
 import com.billpaymentservice.bbps.dto.ResponseModel;
@@ -36,6 +35,7 @@ import com.billpaymentservice.bbps.repository.PaymentRepository;
 import com.billpaymentservice.bbps.repository.TransactionMasterRepository;
 import com.billpaymentservice.bbps.service.PaymentService;
 import com.billpaymentservice.bbps.util.BBPSConstant;
+import com.billpaymentservice.bbps.util.BillerMapperHelper;
 import com.billpaymentservice.bbps.util.EntityRelationshipUtil;
 import com.billpaymentservice.bbps.util.Helper;
 import com.fasterxml.jackson.annotation.JsonInclude;
@@ -45,487 +45,343 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 @Service
 public class PaymentServiceImpl implements PaymentService {
+    @Value("${payment.data.url}")
+    private String paymentUrl;
+
+    private final BharatConnectMasterRepository beneficiaryDetailsRepository;
+    private final HttpService httpService;
+    private final Helper helper;
+    private final PaymentRepository paymentRepository;
+    private final InboundTraceLogRepository inboundTraceLogRepository;
+    private final OutboundTraceLogRepository outboundTraceLogRepository;
+    private final PaymentIntiateRepository paymentIntiateRepository;
+    private final TransactionMasterRepository transactionMasterRepository;
+    private final AgentFundTransferRepository agentFundTransferRepository;
+    private final BillerMapperHelper mapperHelper;
+    // Shared reusable instances
+    private final ObjectMapper objectMapper;
+    private final ModelMapper modelMapper;
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(PaymentServiceImpl.class);
+
+    public PaymentServiceImpl(BharatConnectMasterRepository beneficiaryDetailsRepository, HttpService httpService,
+            Helper helper, PaymentRepository paymentRepository, InboundTraceLogRepository inboundTraceLogRepository,
+            OutboundTraceLogRepository outboundTraceLogRepository, PaymentIntiateRepository paymentIntiateRepository,
+            TransactionMasterRepository transactionMasterRepository,
+            AgentFundTransferRepository agentFundTransferRepository,
+            BillerMapperHelper mapperHelper) {
+        this.beneficiaryDetailsRepository = beneficiaryDetailsRepository;
+        this.httpService = httpService;
+        this.helper = helper;
+        this.paymentRepository = paymentRepository;
+        this.inboundTraceLogRepository = inboundTraceLogRepository;
+        this.outboundTraceLogRepository = outboundTraceLogRepository;
+        this.paymentIntiateRepository = paymentIntiateRepository;
+        this.transactionMasterRepository = transactionMasterRepository;
+        this.agentFundTransferRepository = agentFundTransferRepository;
+        this.mapperHelper = mapperHelper;
+
+        this.objectMapper = new ObjectMapper();
+        this.objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+
+        this.modelMapper = new ModelMapper();
+        this.modelMapper.getConfiguration().setMatchingStrategy(MatchingStrategies.STRICT);
+    }
+
+    @Override
+    public ResponseModel initiatePayment(BillPaymentRequest billPaymentRequest) {
+        String apiName = BBPSConstant.API_INITIATE_PAYMENT;
+        String txnId = helper.generateTxnId(15);
+        String requestId = billPaymentRequest.getReqId();
+        String url = paymentUrl + BBPSConstant.PAYMENT_URL;
+        billPaymentRequest.setClientReqId(txnId);
+        LOGGER.info("Initiating payment for reqId={} and txnId={}", requestId, txnId);
+
+        BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+        HttpHeaders headers = helper.buildHeaders(headersData);
+
+        BillPaymentForwardRequest forwardReq = mapperHelper.billPaymentForwardRequest(billPaymentRequest);
+        String forwardjson = helper.convertObjectToJson(forwardReq);
+        String requestJson = helper.convertObjectToJson(billPaymentRequest);
+
+        InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnId, apiName, billPaymentRequest.getMid(), BBPSConstant.HTTP_POST, requestJson);
+        OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, url, BBPSConstant.HTTP_POST, forwardjson);
+
+        try {
+            LOGGER.info("Calling BBPS payment URL: {}", url);
+            Map<String, String> responseMap = httpService.postRequest(url, forwardjson, headers);
+            String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+            LOGGER.info("Payment API Response: {}", responseData);
+
+            helper.updateOutboundLogResponse(outboundLog, responseData);
+
+            if (responseData == null || responseData.isEmpty()) {
+                helper.updateInboundLogFailure(inboundLog, BBPSConstant.EMPTY_RESPONSE_FROM_BBPS, BBPSConstant.FAILED_STR);
+                LOGGER.warn("Empty response received from BBPS for txnId={}", txnId);
+                throw new CustomException(BBPSConstant.EMPTY_RESPONSE_FROM_BBPS);
+            }
+
+            Map<String, Object> dataMap = objectMapper.readValue(responseData, new TypeReference<Map<String, Object>>() {});
+            if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERIC_KEY)) {
+                helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_STRUCTURE);
+                LOGGER.warn("Invalid response structure received for txnId={}", txnId);
+                throw new CustomException(BBPSConstant.INVALID_STRUCTURE);
+            }
+
+            BillPaymentResponse billPaymentResponse = objectMapper.convertValue(dataMap, BillPaymentResponse.class);
+            GeneralResp generalResponse = billPaymentResponse.getGenericResponse();
+
+            BillPayment entity = modelMapper.map(billPaymentResponse, BillPayment.class);
+            paymentRepository.save(entity);
+            LOGGER.info("BillPayment entity saved successfully for txnId={}", txnId);
+
+            helper.updateInboundLogSuccess(inboundLog, responseData, generalResponse.getStatus());
+            PaymentInitiate paymentInitiate = new PaymentInitiate();
+            paymentInitiate.setTxnId(txnId);
+            paymentInitiate.setReqId(requestId);
+            paymentInitiate.setBankTxnId(billPaymentResponse.getTxnId());
+            paymentInitiate.setStatus(billPaymentResponse.getStatus());
+            paymentIntiateRepository.save(paymentInitiate);
+            LOGGER.info("PaymentInitiate entry saved successfully for txnId={}", txnId);
+
+            TransactionStatusRequest transactionStatusRequest = new TransactionStatusRequest();
+            transactionStatusRequest.setTxnId(billPaymentResponse.getTxnId());
+            transactionStatusRequest.setReqId(requestId);
+
+            try {
+                Thread.sleep((long) BBPSConstant.PAYMENT_STATUS_DELAY_MS);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                LOGGER.warn("Thread interrupted during payment delay: {}", e.getMessage());
+            }
+            LOGGER.info("Checking transaction status for txnId={}", billPaymentResponse.getTxnId());
+            return checkTrasactionStatus(transactionStatusRequest, inboundLog);
+
+        } catch (JsonProcessingException e) {
+            LOGGER.error("JSON Parsing Error in initiatePayment: {}", e.getMessage(), e);
+            helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
+            throw new CustomException("Invalid JSON received from API");
+        }
+    }
+
+    public ResponseModel checkTrasactionStatus(TransactionStatusRequest transactionStatusRequest, InboundTraceLog inboundLog) {
+        String apiName = BBPSConstant.API_CHECK_TRANSACTION_STATUS;
+        String txnId = helper.generateTxnId(15);
+        String requestId = transactionStatusRequest.getReqId();
+
+        String url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_URL + transactionStatusRequest.getTxnId();
+
+        LOGGER.info("Checking transaction status (internal) for txnId={} and reqId={}", transactionStatusRequest.getTxnId(), requestId);
+
+        BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+        HttpHeaders headers = helper.buildHeaders(headersData);
+
+        OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, url, BBPSConstant.HTTP_GET, null);
+
+        Map<String, String> responseMap = httpService.getRequest(url, headers);
+        String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+        LOGGER.info("Transaction status response: {}", responseData);
+
+        helper.updateOutboundLogResponse(outboundLog, responseData);
+
+        try {
+            Map<String, Object> dataMap = objectMapper.readValue(responseData, new TypeReference<Map<String, Object>>() {});
+            if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+                helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
+                LOGGER.warn("Invalid transaction status response for txnId={}", transactionStatusRequest.getTxnId());
+                throw new CustomException(
+                        String.valueOf(dataMap.get("message")),
+                        String.valueOf(dataMap.get("status")),
+                        Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
+                        String.valueOf(dataMap.get("remarks"))
+                );
+            }
+
+            TransactionStatusResponse responseWrapper = objectMapper.convertValue(dataMap, TransactionStatusResponse.class);
+            GeneralResp generalResp = responseWrapper.getGeneralResp();
+            LOGGER.info("Transaction status received: {}", generalResp.getStatus());
+
+            TransactionMaster transactionMaster = modelMapper.map(responseWrapper.getTransactionDAO(), TransactionMaster.class);
+            transactionMaster.setTxnId(txnId);
+            transactionMaster.setReqId(transactionStatusRequest.getReqId());
+            EntityRelationshipUtil.linkTransactionMasterRelationships(transactionMaster);
+            transactionMasterRepository.save(transactionMaster);
+            LOGGER.info("TransactionMaster saved successfully for txnId={}", txnId);
+
+            AgentFundTransfer agentFundTransfer = modelMapper.map(responseWrapper.getAgentFundTransfer(), AgentFundTransfer.class);
+            agentFundTransfer.setTxnId(txnId);
+            agentFundTransfer.setReqId(transactionStatusRequest.getReqId());
+            agentFundTransfer.setTransactionMasterId(transactionMaster.getBankTxnId());
+            agentFundTransferRepository.save(agentFundTransfer);
+            LOGGER.info("AgentFundTransfer entry saved successfully for txnId={}", txnId);
+
+            ResponseModel responseModel = new ResponseModel(
+                    generalResp.getMessage(),
+                    generalResp.getStatus(),
+                    Integer.parseInt(generalResp.getStatusCode()),
+                    responseWrapper
+            );
+
+            helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
+            return responseModel;
+
+        } catch (JsonProcessingException e) {
+            LOGGER.error("Error parsing transaction status JSON: {}", e.getMessage(), e);
+            helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
+            throw new CustomException("Invalid JSON received from API");
+        }
+    }
+
+    @Override
+    public ResponseModel checkTrasactionStatus(TransactionStatusRequest transactionStatusRequest) {
+        helper.validateMerchant(transactionStatusRequest.getMid());
+        String txnID = helper.generateTxnId(15);
+        String apiName = BBPSConstant.API_CHECK_TRANSACTION_PUBLIC;
+        String requestId = transactionStatusRequest.getReqId();
+        String requestJson = helper.convertObjectToJson(transactionStatusRequest);
+        String url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_URL + transactionStatusRequest.getTxnId();
+
+        LOGGER.info("Checking transaction status (public) for txnId={} and reqId={}", transactionStatusRequest.getTxnId(), requestId);
+
+        BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+        HttpHeaders headers = helper.buildHeaders(headersData);
+
+        InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName, transactionStatusRequest.getMid(), BBPSConstant.HTTP_POST, requestJson);
+        OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, url, BBPSConstant.HTTP_GET, null);
+
+        Map<String, String> responseMap = httpService.getRequest(url, headers);
+        String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+        LOGGER.info("Transaction status response data: {}", responseData);
+        helper.updateOutboundLogResponse(outboundLog, responseData);
+
+        try {
+            Map<String, Object> dataMap = objectMapper.readValue(responseData, new TypeReference<Map<String, Object>>() {});
+            if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+                helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get(BBPSConstant.RESPONSE_STATUS_KEY)));
+                LOGGER.warn("Invalid transaction status response for txnId={} from BBPS", transactionStatusRequest.getTxnId());
+                throw new CustomException(
+                        String.valueOf(dataMap.get("message")),
+                        String.valueOf(dataMap.get("status")),
+                        Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
+                        String.valueOf(dataMap.get("remarks"))
+                );
+            }
+
+            TransactionStatusResponse responseWrapper = objectMapper.convertValue(dataMap, TransactionStatusResponse.class);
+            GeneralResp generalResp = responseWrapper.getGeneralResp();
+
+            String status = generalResp.getStatus();
+            LOGGER.info("Current transaction status: {}", status);
+
+            ResponseModel responseModel = new ResponseModel(
+                    generalResp.getMessage(),
+                    generalResp.getStatus(),
+                    Integer.parseInt(generalResp.getStatusCode()),
+                    responseWrapper
+            );
+
+            helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
+            return responseModel;
+
+        } catch (JsonProcessingException e) {
+            LOGGER.error("Error parsing responseData JSON: {}", e.getMessage(), e);
+            helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
+            throw new CustomException("Invalid JSON received from API");
+        }
+    }
+
+    @Override
+    public ResponseModel checkTrasactionStatusByClientReqId(TrasactionStatusByClientReqIdRequest transactionStatusRequest) {
+
+        helper.validateMerchant(transactionStatusRequest.getMid());
+
+        String txnID = helper.generateTxnId(15);
+        String apiName = BBPSConstant.API_CHECK_BY_CLIENT_REQ_ID;
+        String requestId = transactionStatusRequest.getReqId();
+        String clientReqId = transactionStatusRequest.getClientReqId();
+        String requestJson = helper.convertObjectToJson(transactionStatusRequest);
+
+        LOGGER.info("Checking transaction status for clientReqId={} and reqId={}", clientReqId, requestId);
+
+        Optional<PaymentInitiate> paymentInitiate = paymentIntiateRepository.findByReqId(clientReqId);
+        if (paymentInitiate.isEmpty()) {
+            throw new CustomException(BBPSConstant.NO_BILL_FOUND);
+        }
+
+        String url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_BY_CLIENT_REQ_ID_URL + paymentInitiate.get().getTxnId();
+
+        BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId(BBPSConstant.ORG_ID);
+        HttpHeaders headers = helper.buildHeaders(headersData);
+
+        InboundTraceLog inboundLog = helper.createInboundLog(
+                requestId, txnID, apiName, transactionStatusRequest.getMid(), BBPSConstant.HTTP_POST, requestJson);
+
+        OutboundTraceLog outboundLog = helper.createOutboundLog(
+                txnID, requestId, apiName, url, BBPSConstant.HTTP_GET, null);
+
+        try {
+            LOGGER.info("Calling BBPS Transaction Status API URL={}", url);
+            Map<String, String> responseMap = httpService.getRequest(url, headers);
+
+            String responseData = responseMap.get(BBPSConstant.RESPONSE_DATA_KEY);
+            LOGGER.info("Transaction Status Response: {}", responseData);
+
+            helper.updateOutboundLogResponse(outboundLog, responseData);
+
+            Map<String, Object> dataMap = objectMapper.readValue(
+                    responseData, new TypeReference<Map<String, Object>>() {});
 
-	@Value("${payment.data.url}")
-	private String paymentUrl;
-
-	private final BharatConnectMasterRepository beneficiaryDetailsRepository;
-	private final HttpService httpService;
-	private final Helper helper;
-	private final PaymentRepository paymentRepository;
-	private final InboundTraceLogRepository inboundTraceLogRepository;
-	private final OutboundTraceLogRepository outboundTraceLogRepository;
-	private final PaymentIntiateRepository paymentIntiateRepository;
-	private final TransactionMasterRepository transactionMasterRepository;
-	private final AgentFundTransferRepository agentFundTransferRepository;
-
-	private static final Logger LOGGER = LoggerFactory.getLogger(PaymentServiceImpl.class);
-
-	public PaymentServiceImpl(BharatConnectMasterRepository beneficiaryDetailsRepository, HttpService httpService,
-			Helper helper, PaymentRepository paymentRepository, InboundTraceLogRepository inboundTraceLogRepository,
-			OutboundTraceLogRepository outboundTraceLogRepository, PaymentIntiateRepository paymentIntiateRepository,
-			TransactionMasterRepository transactionMasterRepository,
-			AgentFundTransferRepository agentFundTransferRepository) {
-		this.beneficiaryDetailsRepository = beneficiaryDetailsRepository;
-		this.httpService = httpService;
-		this.helper = helper;
-		this.paymentRepository = paymentRepository;
-		this.inboundTraceLogRepository = inboundTraceLogRepository;
-		this.outboundTraceLogRepository = outboundTraceLogRepository;
-		this.paymentIntiateRepository = paymentIntiateRepository;
-		this.transactionMasterRepository = transactionMasterRepository;
-		this.agentFundTransferRepository = agentFundTransferRepository;
-	}
-
-	@Override
-	public ResponseModel initiatePayment(BillPaymentRequest billPaymentRequest) {
-		String apiName = "InitiatePayment";
-		String requestId = billPaymentRequest.getReqId();
-		String mid = billPaymentRequest.getMid();
-		LOGGER.info("[{}] START | reqId={} | mid={}", apiName, requestId, mid);
-		helper.validateMerchant(mid);
-		String txnId = helper.generateTxnId(15);
-		String url = paymentUrl + BBPSConstant.PAYMENT_URL;
-		billPaymentRequest.setClientReqId(txnId);
-		LOGGER.info("Initiating payment for reqId={} and txnId={}", requestId, txnId);
-
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		ObjectMapper objectMapper = new ObjectMapper();
-		objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-		BillPaymentForwardRequest forwardReq = helper.billPaymentForwardRequest(billPaymentRequest);
-
-		String forwardjson = helper.convertObjectToJson(forwardReq);
-
-		String requestJson = helper.convertObjectToJson(billPaymentRequest);
-
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnId, apiName, billPaymentRequest.getMid(),
-				"POST", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, url, "POST", forwardjson);
-
-		try {
-			LOGGER.info("[{}] Calling BBPS Payment API | url={}", apiName, url);
-			Map<String, String> responseMap = httpService.postRequest(url, forwardjson, headers);
-			String responseData = responseMap.get("data");
-			LOGGER.info("[{}] Raw Payment API Response | reqId={}", apiName, requestId);
-
-			helper.updateOutboundLogResponse(outboundLog, responseData);
-
-			if (responseData == null || responseData.isEmpty()) {
-				helper.updateInboundLogFailure(inboundLog, "Empty response from BBPS", "FAILED");
-				LOGGER.warn("Empty response received from BBPS for txnId={}", txnId);
-				throw new CustomException("Empty response from BBPS server");
-			}
-
-			Map<String, Object> dataMap = objectMapper.readValue(responseData,
-					new TypeReference<Map<String, Object>>() {
-					});
-			if (!dataMap.containsKey("genericResponse")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_STRUCTURE");
-				LOGGER.warn("Invalid response structure received for txnId={}", txnId);
-				throw new CustomException("Invalid response structure from BBPS");
-			}
-
-			BillPaymentResponse billPaymentResponse = objectMapper.convertValue(dataMap, BillPaymentResponse.class);
-			GeneralResp generalResponse = billPaymentResponse.getGenericResponse();
-
-			ModelMapper mapper = new ModelMapper();
-			mapper.getConfiguration().setMatchingStrategy(MatchingStrategies.STRICT);
-			BillPayment entity = mapper.map(billPaymentResponse, BillPayment.class);
-			paymentRepository.save(entity);
-			LOGGER.info("BillPayment entity saved successfully for txnId={}", txnId);
-
-			helper.updateInboundLogSuccess(inboundLog, responseData, generalResponse.getStatus());
-			PaymentInitiate paymentInitiate = new PaymentInitiate();
-			paymentInitiate.setTxnId(txnId);
-			paymentInitiate.setReqId(requestId);
-			paymentInitiate.setBankTxnId(billPaymentResponse.getTxnId());
-			paymentInitiate.setStatus(billPaymentResponse.getStatus());
-			paymentIntiateRepository.save(paymentInitiate);
-			LOGGER.info("PaymentInitiate entry saved successfully for txnId={}", txnId);
-
-			LOGGER.info("[{}] Checking Transaction Status for bankTxnId={}", apiName, billPaymentResponse.getTxnId());
-			TransactionStatusRequest transactionStatusRequest = new TransactionStatusRequest();
-			transactionStatusRequest.setTxnId(billPaymentResponse.getTxnId());
-			transactionStatusRequest.setReqId(requestId);
-
-			try {
-				Thread.sleep(9000);
-			} catch (InterruptedException e) {
-				Thread.currentThread().interrupt();
-				LOGGER.warn("Thread interrupted during payment delay: {}", e.getMessage());
-			}
-			LOGGER.info("Checking transaction status for txnId={}", billPaymentResponse.getTxnId());
-			return checkTrasactionStatus(transactionStatusRequest, inboundLog);
-
-		} catch (JsonProcessingException e) {
-			LOGGER.error("JSON Parsing Error in initiatePayment: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
-			throw new CustomException("Invalid JSON received from API");
-		}
-	}
-
-	public ResponseModel checkTrasactionStatus(TransactionStatusRequest transactionStatusRequest,
-			InboundTraceLog inboundLog) {
-		String apiName = "CheckTransactionStatus";
-		String txnId = helper.generateTxnId(15);
-		String requestId = transactionStatusRequest.getReqId();
-
-		String url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_URL + transactionStatusRequest.getTxnId();
-
-		LOGGER.info("Checking transaction status (internal) for txnId={} and reqId={}",
-				transactionStatusRequest.getTxnId(), requestId);
-
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		ObjectMapper objectMapper = new ObjectMapper();
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId, apiName, url, "GET", null);
-
-		Map<String, String> responseMap = httpService.getRequest(url, headers);
-		String responseData = responseMap.get("data");
-		LOGGER.info("Transaction status response: {}", responseData);
-
-		helper.updateOutboundLogResponse(outboundLog, responseData);
-
-		try {
-			Map<String, Object> dataMap = objectMapper.readValue(responseData,
-					new TypeReference<Map<String, Object>>() {
-					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
-				LOGGER.warn("Invalid transaction status response for txnId={}", transactionStatusRequest.getTxnId());
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
-						String.valueOf(dataMap.get("remarks")));
-			}
-
-			TransactionStatusResponse responseWrapper = objectMapper.convertValue(dataMap,
-					TransactionStatusResponse.class);
-			GeneralResp generalResp = responseWrapper.getGeneralResp();
-			LOGGER.info("Transaction status received: {}", generalResp.getStatus());
-
-			ModelMapper mapper = new ModelMapper();
-			mapper.getConfiguration().setMatchingStrategy(MatchingStrategies.STRICT);
-			TransactionMaster transactionMaster = mapper.map(responseWrapper.getTransactionDAO(),
-					TransactionMaster.class);
-			transactionMaster.setTxnId(txnId);
-			transactionMaster.setReqId(transactionStatusRequest.getReqId());
-			EntityRelationshipUtil.linkTransactionMasterRelationships(transactionMaster);
-			transactionMasterRepository.save(transactionMaster);
-			LOGGER.info("TransactionMaster saved successfully for txnId={}", txnId);
-
-			AgentFundTransfer agentFundTransfer = mapper.map(responseWrapper.getAgentFundTransfer(),
-					AgentFundTransfer.class);
-			agentFundTransfer.setTxnId(txnId);
-			agentFundTransfer.setReqId(transactionStatusRequest.getReqId());
-			agentFundTransfer.setTransactionMasterId(transactionMaster.getBankTxnId());
-			agentFundTransferRepository.save(agentFundTransfer);
-			LOGGER.info("AgentFundTransfer entry saved successfully for txnId={}", txnId);
-
-			ResponseModel responseModel = new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
-					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
-
-			helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
-			return responseModel;
-
-		} catch (JsonProcessingException e) {
-			LOGGER.error("Error parsing transaction status JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
-			throw new CustomException("Invalid JSON received from API");
-		}
-	}
-
-	@Override
-	public ResponseModel checkTrasactionStatus(TransactionStatusRequest transactionStatusRequest) {
-		helper.validateMerchant(transactionStatusRequest.getMid());
-		String apiName = "checkTrasactionStatus";
-		String requestId = transactionStatusRequest.getReqId();
-		String mid = transactionStatusRequest.getMid();
-		String bankTxnId = transactionStatusRequest.getTxnId();
-
-		LOGGER.info("[{}] START | reqId={} | mid={} | bankTxnId={}", apiName, requestId, mid, bankTxnId);
-
-		helper.validateMerchant(mid);
-		String txnID = helper.generateTxnId(15);
-		String requestJson = helper.convertObjectToJson(transactionStatusRequest);
-		String url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_URL + transactionStatusRequest.getTxnId();
-
-		LOGGER.info("Checking transaction status (public) for txnId={} and reqId={}",
-				transactionStatusRequest.getTxnId(), requestId);
-
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName,
-				transactionStatusRequest.getMid(), "POST", requestJson);
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, url, "GET", null);
-		ObjectMapper objectMapper = new ObjectMapper();
-
-		Map<String, String> responseMap = httpService.getRequest(url, headers);
-		String responseData = responseMap.get("data");
-		LOGGER.info("Transaction status response data: {}", responseData);
-		helper.updateOutboundLogResponse(outboundLog, responseData);
-
-		try {
-			Map<String, Object> dataMap = objectMapper.readValue(responseData,
-					new TypeReference<Map<String, Object>>() {
-					});
-			if (!dataMap.containsKey("generalResp")) {
-				helper.updateInboundLogFailure(inboundLog, responseData, String.valueOf(dataMap.get("status")));
-				LOGGER.warn("Invalid transaction status response for txnId={} from BBPS",
-						transactionStatusRequest.getTxnId());
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
-						String.valueOf(dataMap.get("remarks")));
-			}
-
-			TransactionStatusResponse responseWrapper = objectMapper.convertValue(dataMap,
-					TransactionStatusResponse.class);
-			GeneralResp generalResp = responseWrapper.getGeneralResp();
-
-			String status = generalResp.getStatus();
-			LOGGER.info("Current transaction status: {}", status);
-
-			ResponseModel responseModel = new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
-					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
-
-			helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
-			return responseModel;
-
-		} catch (JsonProcessingException e) {
-			LOGGER.error("Error parsing responseData JSON: {}", e.getMessage(), e);
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
-			throw new CustomException("Invalid JSON received from API");
-		}
-	}
-
-	@Override
-	public ResponseModel checkTrasactionStatusByClientReqId(
-			TrasactionStatusByClientReqIdRequest transactionStatusRequest) {
-		String apiName = "checkTrasactionStatusbyClientReqId";
-		String requestId = transactionStatusRequest.getReqId();
-		String clientReqId = transactionStatusRequest.getClientReqId();
-		String mid = transactionStatusRequest.getMid();
-
-		LOGGER.info("[{}] START | reqId={} | mid={} | clientReqId={}", apiName, requestId, mid, clientReqId);
-
-		helper.validateMerchant(transactionStatusRequest.getMid());
-		String txnID = helper.generateTxnId(15);
-		String requestJson = helper.convertObjectToJson(transactionStatusRequest);
-
-		LOGGER.info("Checking transaction status for clientReqId={} and reqId={}", clientReqId, requestId);
-
-		// Fetch Txn from DB
-		Optional<PaymentInitiate> paymentInitiate = paymentIntiateRepository.findByReqId(clientReqId);
-		if (paymentInitiate.isEmpty()) {
-			throw new CustomException("No Transaction Found for given Client Req Id");
-		}
-
-		String url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_BY_CLIENT_REQ_ID_URL
-				+ paymentInitiate.get().getTxnId();
-
-		LOGGER.info("[{}] BBPS URL={}", apiName, url);
-		// Prepare headers
-		BharatConnectMaster headersData = beneficiaryDetailsRepository.findByOrgId("ORG001");
-		HttpHeaders headers = new HttpHeaders();
-		headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
-		headers.set("agentId", headersData.getAgentId());
-		headers.set("tenantId", headersData.getTenantId());
-		headers.setContentType(MediaType.APPLICATION_JSON);
-
-		// 🔵 Create Inbound + Outbound Logs
-		InboundTraceLog inboundLog = helper.createInboundLog(requestId, txnID, apiName,
-				transactionStatusRequest.getMid(), "POST", requestJson);
+            if (!dataMap.containsKey(BBPSConstant.RESPONSE_GENERAL_RESP)) {
+                helper.updateInboundLogFailure(inboundLog, responseData, BBPSConstant.INVALID_RESPONSE);
 
-		OutboundTraceLog outboundLog = helper.createOutboundLog(txnID, requestId, apiName, url, "GET", null);
+                LOGGER.warn("Invalid transaction status response for clientReqId={} | Response={}",
+                        clientReqId, responseData);
 
-		ObjectMapper objectMapper = new ObjectMapper();
+                throw new CustomException(
+                        String.valueOf(dataMap.get("message")),
+                        String.valueOf(dataMap.get("status")),
+                        Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
+                        String.valueOf(dataMap.get("remarks"))
+                );
+            }
 
-		try {
-			LOGGER.info("Calling BBPS Transaction Status API URL={}", url);
-			Map<String, String> responseMap = httpService.getRequest(url, headers);
+            TransactionStatusResponse responseWrapper =
+                    objectMapper.convertValue(dataMap, TransactionStatusResponse.class);
 
-			String responseData = responseMap.get("data");
-			LOGGER.debug("[{}] Raw Response | reqId={} | data={}", apiName, requestId, responseData);
+            GeneralResp generalResp = responseWrapper.getGeneralResp();
 
-			helper.updateOutboundLogResponse(outboundLog, responseData);
-
-			// Parse response
-			Map<String, Object> dataMap = objectMapper.readValue(responseData,
-					new TypeReference<Map<String, Object>>() {
-					});
+            LOGGER.info("Transaction Status for clientReqId={} => {}", clientReqId, generalResp.getStatus());
 
-			// Validate response
-			if (!dataMap.containsKey("generalResp")) {
-				LOGGER.warn("[{}] INVALID RESPONSE | reqId={} | response={}", apiName, requestId, responseData);
+            helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
+            return new ResponseModel(
+                    generalResp.getMessage(),
+                    generalResp.getStatus(),
+                    Integer.parseInt(generalResp.getStatusCode()),
+                    responseWrapper
+            );
 
-				helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
+        } catch (JsonProcessingException e) {
+            LOGGER.error("Error parsing JSON in transaction status API: {}", e.getMessage(), e);
+            helper.updateInboundLogFailure(inboundLog, e.getMessage(), BBPSConstant.JSON_ERROR);
 
-				LOGGER.warn("Invalid transaction status response for clientReqId={} | Response={}", clientReqId,
-						responseData);
+            throw new CustomException("Invalid JSON received from API");
+        }
+    }
 
-				throw new CustomException(String.valueOf(dataMap.get("message")), String.valueOf(dataMap.get("status")),
-						Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
-						String.valueOf(dataMap.get("remarks")));
-			}
+    @Override
+    public ResponseModel handlePaymentIntiateCallback(TransactionStatusResponse transactionStatusResponse) {
 
-			// Convert into proper DTO
-			TransactionStatusResponse responseWrapper = objectMapper.convertValue(dataMap,
-					TransactionStatusResponse.class);
+        LOGGER.info("Recived Call Back from FetchBillValidateResponse: {}", transactionStatusResponse);
+        if (transactionStatusResponse.getGeneralResp().getStatusCode().equals(BBPSConstant.SUCCESS_CODE_STR)) {
 
-			GeneralResp generalResp = responseWrapper.getGeneralResp();
+        } else {
+            LOGGER.info("Bill Fetch Callback Failed with Status: {}", transactionStatusResponse.getGeneralResp().getStatus());
 
-			LOGGER.info("Transaction Status for clientReqId={} => {}", clientReqId, generalResp.getStatus());
+        }
 
-			helper.updateInboundLogSuccess(inboundLog, responseData, generalResp.getStatus());
-
-			return new ResponseModel(generalResp.getMessage(), generalResp.getStatus(),
-					Integer.parseInt(generalResp.getStatusCode()), responseWrapper);
-
-		} catch (JsonProcessingException e) {
-			LOGGER.error("Error parsing JSON in transaction status API: {}", e.getMessage(), e);
-
-			helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
-
-			throw new CustomException("Invalid JSON received from API");
-		}
-	}
+        return new ResponseModel(BBPSConstant.CALLBACK_RECEIVED_SUCCESS,
+                BBPSConstant.SUCCESS_CODE_STR,
+                BBPSConstant.HTTP_OK_INT,
+                "");
+    }
 }
-/*
- * PollBack logic for the fetchTxnByTxnId API
- * 
- * @Override public ResponseModel fetchTxnByTxnId(BillFetchByBillIdRequest
- * billFetchByBillIdRequest) {
- * 
- * String billId = billFetchByBillIdRequest.getBillId(); String fullUrl =
- * agentDtaUrl + BBPSConstant.BILL_FETCH_BY_ID+billId;
- * System.out.print(fullUrl);
- * 
- * BeneficiaryDetails
- * headersData=beneficiaryDetailsRepository.findByOrgId("ORG001");
- * 
- * HttpHeaders headers = new HttpHeaders();
- * headers.set("x-digiledge-key",headersData.getXDigiledgeKey());
- * headers.set("agentId", headersData.getAgentId()); headers.set("tenantId",
- * headersData.getTenantId());
- * headers.setContentType(MediaType.APPLICATION_JSON);
- * 
- * Map<String, String> responseMap = httpService.getRequest(fullUrl,headers);
- * String responseData = responseMap.get("data"); log.info("data is :{}",
- * responseData);
- * 
- * 
- * ObjectMapper objectMapper = new ObjectMapper();
- * 
- * try { Map<String, Object> dataMap = objectMapper.readValue(responseData, new
- * TypeReference<Map<String, Object>>() { }); if
- * (!dataMap.containsKey("genericResponse")) { throw new
- * CustomException(String.valueOf(dataMap.get("message")), // message
- * String.valueOf(dataMap.get("status")), // status
- * Integer.parseInt(String.valueOf(dataMap.get("statusCode"))), // statusCode
- * (int) String.valueOf(dataMap.get("remarks")) ); }
- * 
- * BillDataResponse responseWrapper = objectMapper.convertValue(dataMap,
- * BillDataResponse.class);
- * 
- * GeneralResp generalResp = responseWrapper.getGenericResponse();
- * 
- * ResponseModel responseModel=new ResponseModel( generalResp.getMessage(),
- * generalResp.getStatus(), Integer.parseInt(generalResp.getStatusCode()),
- * responseWrapper);
- * 
- * return responseModel;
- * 
- * } catch (JsonProcessingException e) {
- * LOGGER.error("Error parsing responseData JSON: {}", e.getMessage()); throw
- * new CustomException("Invalid JSON received from API"); }
- * 
- * }
- */
-
-/*
- * public ResponseModel checkTrasactionStatus(TransactionStatusRequest
- * transactionStatusRequest,InboundTraceLog inboundLog) { String apiName =
- * "CheckTransactionStatus"; String txnId = helper.generateTxnId(15); //our
- * genrated txnId String requestId = transactionStatusRequest.getReqId(); String
- * url = paymentUrl + BBPSConstant.CHECK_TRANSACTION_URL +
- * transactionStatusRequest.getTxnId(); ;
- * 
- * BharatConnectMaster headersData =
- * beneficiaryDetailsRepository.findByOrgId("ORG001"); HttpHeaders headers = new
- * HttpHeaders(); headers.set("x-digiledge-key",
- * headersData.getXDigiledgeKey()); headers.set("agentId",
- * headersData.getAgentId()); headers.set("tenantId",
- * headersData.getTenantId());
- * headers.setContentType(MediaType.APPLICATION_JSON); ObjectMapper objectMapper
- * = new ObjectMapper();
- * 
- * OutboundTraceLog outboundLog = helper.createOutboundLog(txnId, requestId,
- * apiName, url, "GET", null);
- * 
- * long startTime = System.currentTimeMillis(); long maxWaitTimeMs = 40000; long
- * intervalMs = 5000;
- * 
- * while (true) { Map<String, String> responseMap = httpService.getRequest(url,
- * headers); String responseData = responseMap.get("data");
- * LOGGER.info("Transaction status response: {}", responseData);
- * 
- * helper.updateOutboundLogResponse(outboundLog, responseData);
- * 
- * try { Map<String, Object> dataMap = objectMapper.readValue(responseData, new
- * TypeReference<Map<String, Object>>() {});
- * 
- * if (!dataMap.containsKey("generalResp")) {
- * helper.updateInboundLogFailure(inboundLog, responseData, "INVALID_RESPONSE");
- * throw new CustomException( String.valueOf(dataMap.get("message")),
- * String.valueOf(dataMap.get("status")),
- * Integer.parseInt(String.valueOf(dataMap.get("statusCode"))),
- * String.valueOf(dataMap.get("remarks")) ); }
- * 
- * TransactionStatusResponse responseWrapper =
- * objectMapper.convertValue(dataMap, TransactionStatusResponse.class);
- * GeneralResp generalResp = responseWrapper.getGeneralResp();
- * 
- * String status = generalResp.getStatus();
- * LOGGER.info("Current transaction status: {}", status);
- * 
- * if ("INPROGRESS".equalsIgnoreCase(status)) { if (System.currentTimeMillis() -
- * startTime > maxWaitTimeMs) { helper.updateInboundLogFailure(inboundLog,
- * "Timeout after 40 seconds", "FAILED"); throw new
- * CustomException("Timeout waiting for transaction completion", "FAILED", 408,
- * "Transaction still in progress"); }
- * 
- * Thread.sleep(intervalMs); continue; }
- * 
- * ResponseModel responseModel = new ResponseModel( generalResp.getMessage(),
- * generalResp.getStatus(), Integer.parseInt(generalResp.getStatusCode()),
- * responseWrapper );
- * 
- * helper.updateInboundLogSuccess(inboundLog, responseData,
- * generalResp.getStatus()); return responseModel;
- * 
- * } catch (JsonProcessingException e) {
- * LOGGER.error("Error parsing transaction status JSON: {}", e.getMessage());
- * helper.updateInboundLogFailure(inboundLog, e.getMessage(), "JSON_ERROR");
- * throw new CustomException("Invalid JSON received from API"); } catch
- * (InterruptedException e) { Thread.currentThread().interrupt();
- * helper.updateInboundLogFailure(inboundLog, e.getMessage(), "INTERRUPTED");
- * throw new CustomException("Thread interrupted during transaction check"); } }
- * }
- * 
- * 
- */

src/main/java/com/billpaymentservice/bbps/util/BBPSConstant.java

@@ -59,4 +59,85 @@ public class BBPSConstant {
 	public static final String ADD_COMPLAIN_ENDPOINT = "/couapp/ticket/raise";
 	public static final String VIEW_ALL_COMPLAINTS_BASE = "/couapp/tickets";
 
-}
+	// New centralized string/constants used across services
+	public static final String API_INITIATE_BILL_FETCH = "InitiateBillFetch";
+	public static final String API_FETCH_BILL_BY_ID = "FetchBillById";
+	public static final String API_INITIATE_BILL_VALIDATE = "InitiateBillValidate";
+	public static final String API_FETCH_BILL_VALIDATE_BY_CLIENT_ID = "FetchBillValidateByClientIdRequest";
+	public static final String API_FETCH_BILL_BY_CLIENT_ID = "FetchBillByClientIdRequest";
+
+	public static final String HTTP_POST = "POST";
+	public static final String HTTP_GET = "GET";
+
+	public static final String INVALID_RESPONSE = "INVALID_RESPONSE";
+	public static final String JSON_ERROR = "JSON_ERROR";
+
+	public static final String CALLBACK_RECEIVED_SUCCESS = "CallBack Recieved Successfully";
+	public static final String NO_BILL_FOUND = "No Bill Found for given Client Req Id";
+
+	public static final String SUCCESS_CODE_STR = "200";
+
+	// Added constants referenced by ComplainServiceImpl
+	public static final String ORG_ID = "ORG001";
+
+	public static final String API_ADD_COMPLAIN = "ADD_COMPLAIN";
+	public static final String API_COMPLAINT_STATUS = "COMPLAINT_STATUS";
+	public static final String API_VIEW_COMPLAINT_HISTORY = "View_Complaint_History";
+	public static final String API_VIEW_COMPLAINT_BY_ID = "View_Complaint_By_ID";
+	public static final String API_GET_ALL_MASTER_OPTIONS = "View All Options Fetch By Id";
+	public static final String API_CHECK_TXN_STATUS = "CheckTxnStatus";
+	public static final String API_VIEW_ALL_COMPLAINTS_BY_STATUS = "View_All_Complaint_By_Status_Type";
+
+	// API names used by MasterDataServiceImpl
+	public static final String API_GET_MASTER_DATA = "GetMasterData";
+	public static final String API_GET_BILLER_BY_ID = "GetBillerByBillerId";
+	public static final String API_GET_CUSTOMER_PARAM_BY_BILLER_ID = "GetCustomerParamByBillerId";
+	public static final String API_FETCH_MASTER_DATA_CATEGORY_WISE = "FetchMasterDataCategoryWise";
+	public static final String API_FETCH_CUSTOMER_PARAM_GROUP = "FetchCustomerParamGroup";
+	public static final String API_FETCH_ALL_MASTER_AMOUNT_OPTION = "FetchAllMasterAmountOption";
+	public static final String API_FETCH_PLAN_CATEGORIES = "FetchPlanCategorie";
+	public static final String API_FETCH_INITIATING_CHANNEL = "FetchInitiatingChannel";
+	public static final String API_FETCH_PLAN_BY_CATEGORIES = "FetchPlanByCategories";
+	public static final String API_GET_TICKET_DISPOSITIONS = "GetTicketDispositionDetails";
+
+	// Payment related API names
+	public static final String API_INITIATE_PAYMENT = "InitiatePayment";
+	public static final String API_CHECK_TRANSACTION_STATUS = "CheckTransactionStatus";
+	public static final String API_CHECK_TRANSACTION_PUBLIC = "checkTrasactionStatus";
+	public static final String API_CHECK_BY_CLIENT_REQ_ID = "checkTrasactionStatusbyClientReqId";
+
+	// Response and helper keys (already existing ones kept)
+	public static final String RESPONSE_GENERIC_KEY = "genericResponse";
+
+	// Common messages used in PaymentServiceImpl
+	public static final String EMPTY_RESPONSE_FROM_BBPS = "Empty response from BBPS";
+	public static final String INVALID_STRUCTURE = "INVALID_STRUCTURE";
+	public static final String FAILED_STR = "FAILED";
+
+	public static final int HTTP_OK_INT = 200;
+	public static final int HTTP_NOT_FOUND = 404;
+	public static final int HTTP_INTERNAL_SERVER_ERROR = 500;
+
+	// Response and helper keys
+	public static final String HTTP_SERVICE_ERROR_PREFIX = "HttpService Error";
+	public static final String RESPONSE_DATA_KEY = "data";
+	public static final String RESPONSE_MESSAGE_KEY = "message";
+	public static final String RESPONSE_STATUS_KEY = "status";
+	public static final String RESPONSE_STATUSCODE_KEY = "statusCode";
+	public static final String RESPONSE_REMARKS_KEY = "remarks";
+	public static final String RESPONSE_GENERAL_RESP = "generalResp";
+	public static final String SUCCESS_RESPONSE = "SUCCESS";
+
+	// Newly added constants used by ComplainServiceImpl
+	public static final String DB_OPTIONS = "/db/options"; // used as a logical URL/identifier for master options
+	public static final String NULL_DATA_FROM_DB = "NULL_DATA_FROM_DB";
+	public static final String NO_MASTER_FIELDS_FOUND = "No master fields found";
+	public static final String ALL_MASTER_FIELDS_FETCH = "All master fields fetched successfully";
+	public static final String SOMETHING_WENT_WRONG = "Something went wrong";
+
+	// Timing/delay constants (milliseconds)
+	public static final long BILL_FETCH_DELAY_MS = 5000L; // used after initiate bill fetch
+	public static final long BILL_VALIDATE_DELAY_MS = 12000L; // used after initiate bill validate
+	public static final long PAYMENT_STATUS_DELAY_MS = 9000L; // used after initiate payment
+
+}

src/main/java/com/billpaymentservice/bbps/util/BillerMapperHelper.java

@@ -6,6 +6,7 @@ import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 import org.modelmapper.ModelMapper;
@@ -14,6 +15,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 
+import com.billpaymentservice.bbps.dto.AdditionalInfoBillDTO;
 import com.billpaymentservice.bbps.dto.AmountOptionDTO;
 import com.billpaymentservice.bbps.dto.BillAdditionalInfoDTO;
 import com.billpaymentservice.bbps.dto.BillCustomerParamsDTO;
@@ -21,6 +23,7 @@ import com.billpaymentservice.bbps.dto.BillerIconDTO;
 import com.billpaymentservice.bbps.dto.CheckClientBillerResponseDTO;
 import com.billpaymentservice.bbps.dto.ComplaintHistoryDTO;
 import com.billpaymentservice.bbps.dto.ContactMaster;
+import com.billpaymentservice.bbps.dto.CustomerParamDAO;
 import com.billpaymentservice.bbps.dto.CustomerParamGroupsDTO;
 import com.billpaymentservice.bbps.dto.Detail;
 import com.billpaymentservice.bbps.dto.GroupDTO;
@@ -28,22 +31,37 @@ import com.billpaymentservice.bbps.dto.MasterCategoryBillerResponse;
 import com.billpaymentservice.bbps.dto.PlanDTO;
 import com.billpaymentservice.bbps.dto.TicketDetailsDTO;
 import com.billpaymentservice.bbps.dto.TicketDispositionsDTO;
+import com.billpaymentservice.bbps.dto.request.BillFetchByBillIdRequest;
+import com.billpaymentservice.bbps.dto.request.BillPaymentRequest;
+import com.billpaymentservice.bbps.dto.request.FetchBillRequest;
+import com.billpaymentservice.bbps.dto.request.FetchBillValidatestRequest;
 import com.billpaymentservice.bbps.dto.response.AmountOptionsResponse;
+import com.billpaymentservice.bbps.dto.response.BillDataResponse;
 import com.billpaymentservice.bbps.dto.response.ClientReqIdResponse;
 import com.billpaymentservice.bbps.dto.response.ComplaintHistoryStatusResponse;
+import com.billpaymentservice.bbps.dto.response.FetchBillValidateResponse;
 import com.billpaymentservice.bbps.dto.response.PlanResponse;
 import com.billpaymentservice.bbps.dto.response.TicketCheckStatusResponse;
 import com.billpaymentservice.bbps.dto.response.ViewAllComplaintsResponse;
 import com.billpaymentservice.bbps.dto.response.ViewAllComplaintsTicketsResponse;
 import com.billpaymentservice.bbps.dto.response.ViewComplainByIdResponse;
+import com.billpaymentservice.bbps.dto.sentRequest.BillPaymentForwardRequest;
+import com.billpaymentservice.bbps.dto.sentRequest.FetchBillForwardRequest;
+import com.billpaymentservice.bbps.dto.sentRequest.FetchBillValidatestForwardRequest;
+import com.billpaymentservice.bbps.entites.AdditionalInfoBill;
+import com.billpaymentservice.bbps.entites.AdditionalInfoBillValidate;
 import com.billpaymentservice.bbps.entites.AdditionalInfoPlans;
 import com.billpaymentservice.bbps.entites.AmountOptionByBillerId;
 import com.billpaymentservice.bbps.entites.AmountOptionDetails;
 import com.billpaymentservice.bbps.entites.BillAdditionalInfo;
 import com.billpaymentservice.bbps.entites.BillCustomerParams;
+import com.billpaymentservice.bbps.entites.BillMaster;
 import com.billpaymentservice.bbps.entites.BillTag;
+import com.billpaymentservice.bbps.entites.BillValidation;
 import com.billpaymentservice.bbps.entites.BillerCategoryIcon;
 import com.billpaymentservice.bbps.entites.BillerCategoryWise;
+import com.billpaymentservice.bbps.entites.BillerDetails;
+import com.billpaymentservice.bbps.entites.BillerResponse;
 import com.billpaymentservice.bbps.entites.CategoryResponseList;
 import com.billpaymentservice.bbps.entites.CheckClientBillerData;
 import com.billpaymentservice.bbps.entites.CheckClientStatusReqId;
@@ -51,6 +69,8 @@ import com.billpaymentservice.bbps.entites.ComplainStatus;
 import com.billpaymentservice.bbps.entites.ComplaintHistory;
 import com.billpaymentservice.bbps.entites.ComplaintStatusDetails;
 import com.billpaymentservice.bbps.entites.ContactMasterData;
+import com.billpaymentservice.bbps.entites.CustomerParamBill;
+import com.billpaymentservice.bbps.entites.CustomerParamBillValidation;
 import com.billpaymentservice.bbps.entites.CustomerParamGroupById;
 import com.billpaymentservice.bbps.entites.GroupParam;
 import com.billpaymentservice.bbps.entites.Plan;
@@ -61,7 +81,11 @@ import com.billpaymentservice.bbps.entites.TicketDispositionDetails;
 import com.billpaymentservice.bbps.entites.ViewAllComplaintTicketStatusDetails;
 import com.billpaymentservice.bbps.exception.CustomException;
 import com.billpaymentservice.bbps.repository.AmountOptionByBillerIdRepository;
+import com.billpaymentservice.bbps.repository.BBPSMasterDataRepo;
+import com.billpaymentservice.bbps.repository.BillMasterRepository;
+import com.billpaymentservice.bbps.repository.BillValidationRepository;
 import com.billpaymentservice.bbps.repository.BillerCategoryWiseRepository;
+import com.billpaymentservice.bbps.repository.BillerDataRepository;
 import com.billpaymentservice.bbps.repository.CategoryResponseListRepository;
 import com.billpaymentservice.bbps.repository.CheckClientBillerDataRepository;
 import com.billpaymentservice.bbps.repository.ClientReqIdRepository;
@@ -96,6 +120,10 @@ public class BillerMapperHelper {
 	private final CheckClientBillerDataRepository checkClientBillerDataRepository;
 	private final ViewAllComplainTicketDetailRepository viewAllComplainTicketDetailRepository;
 	private final ContactMasterDataRepository contactMasterDataRepository;
+	private final BBPSMasterDataRepo bbpsMasterDataRepo;
+	private final BillerDataRepository billerDataRespository;
+	private final BillMasterRepository billMasterRepository;
+	private final BillValidationRepository billValidationRepository;
 
 	public BillerMapperHelper(BillerCategoryWiseRepository billerRepo,
 			CustomerParamGroupByBillerIdRepository customerParamGroupByBillerIdRepo,
@@ -109,7 +137,11 @@ public class BillerMapperHelper {
 			CheckClientBillerDataRepository checkClientBillerDataRepository,
 			TicketDispositionRepository ticketDispositionRepository,
 			ViewAllComplainTicketDetailRepository viewAllComplainTicketDetailRepository,
-			ContactMasterDataRepository contactMasterDataRepository) {
+			ContactMasterDataRepository contactMasterDataRepository,
+			BBPSMasterDataRepo bbpsMasterDataRepo,
+			BillerDataRepository billerDataRespository,
+			BillMasterRepository billMasterRepository,
+			BillValidationRepository billValidationRepository) {
 		this.billerRepo = billerRepo;
 		this.customerParamGroupByBillerIdRepo = customerParamGroupByBillerIdRepo;
 		this.amountOptionByBillerIdRepository = amountOptionByBillerIdRepository;
@@ -125,6 +157,10 @@ public class BillerMapperHelper {
 		this.ticketDispositionRepository = ticketDispositionRepository;
 		this.viewAllComplainTicketDetailRepository = viewAllComplainTicketDetailRepository;
 		this.contactMasterDataRepository = contactMasterDataRepository;
+		this.bbpsMasterDataRepo = bbpsMasterDataRepo;
+		this.billerDataRespository = billerDataRespository;
+		this.billMasterRepository = billMasterRepository;
+		this.billValidationRepository = billValidationRepository;
 	}
 
 	/**
@@ -822,4 +858,198 @@ public class BillerMapperHelper {
 		return "Contact Master Saved Successfully";
 	}
 
+	public void saveOrUpdateBillerData(BillerDetails newEntity) {
+
+	    Optional<BillerDetails> existingOpt = billerDataRespository.findByBillerId(newEntity.getBillerId());
+
+	    if (existingOpt.isPresent()) {
+	       //logic to be written 
+	    } 
+	    else {
+	        // brand new biller
+	        billerDataRespository.save(newEntity);
+	    }
+	}
+
+public void saveOrUpdateBillData(BillDataResponse responseWrapper,
+            BillFetchByBillIdRequest billFetchByBillIdRequest,String txnId) {
+
+
+BillMaster billMaster = new BillMaster();
+
+billMaster.setBillId(responseWrapper.getBillId());
+billMaster.setRefId(responseWrapper.getRefId());
+billMaster.setBillerId(responseWrapper.getBillerId());
+billMaster.setStatus(responseWrapper.getStatus());
+billMaster.setActionType(responseWrapper.getActionType());
+billMaster.setUserId(responseWrapper.getUserId());
+billMaster.setReqId(billFetchByBillIdRequest.getReqId());
+billMaster.setTxnId(txnId);
+
+// BILLER RESPONSE
+BillerResponse billerResponse = new BillerResponse();
+if (responseWrapper.getBillerResponse() != null) {
+billerResponse.setBillId(responseWrapper.getBillerResponse().getBillId());
+billerResponse.setAmount(responseWrapper.getBillerResponse().getAmount());
+billerResponse.setBillDate(responseWrapper.getBillerResponse().getBillDate());
+billerResponse.setBillNumber(responseWrapper.getBillerResponse().getBillNumber());
+billerResponse.setBillPeriod(responseWrapper.getBillerResponse().getBillPeriod());
+billerResponse.setCustConvFee(responseWrapper.getBillerResponse().getCustConvFee());
+billerResponse.setCouCustConvFee(responseWrapper.getBillerResponse().getCouCustConvFee());
+billerResponse.setDueDate(responseWrapper.getBillerResponse().getDueDate());
+billerResponse.setCustomerName(responseWrapper.getBillerResponse().getCustomerName());
+billerResponse.setAmountOption(responseWrapper.getBillerResponse().isAmountOption());
+billerResponse.setBillMaster(billMaster);
+}
+billMaster.setBillerResponse(billerResponse);
+
+
+
+// ADDITIONAL INFO
+List<AdditionalInfoBill> additionalInfos = new ArrayList<>();
+if (responseWrapper.getAdditionalInfo() != null) {
+for (AdditionalInfoBillDTO info : responseWrapper.getAdditionalInfo()) {
+AdditionalInfoBill entity = new AdditionalInfoBill();
+entity.setName(info.getName());
+entity.setValue(info.getValue());
+entity.setBillMaster(billMaster);
+additionalInfos.add(entity);
+}
+}
+billMaster.setAdditionalInfo(additionalInfos);
+
+
+
+// CUSTOMER PARAMS
+List<CustomerParamBill> customerParams = new ArrayList<>();
+if (responseWrapper.getCustomerParams() != null) {
+for (CustomerParamDAO param : responseWrapper.getCustomerParams()) {
+CustomerParamBill entity = new CustomerParamBill();
+entity.setName(param.getName());
+entity.setValue(param.getValue() == null ? "" : param.getValue());
+entity.setType(param.getType() == null ? "" : param.getType());
+entity.setBillMaster(billMaster);
+customerParams.add(entity);
+}
+}
+billMaster.setCustomerParams(customerParams);
+
+
+
+// DATES
+billMaster.setCreationDate(responseWrapper.getCreationDate());
+billMaster.setModifiedDate(responseWrapper.getModifiedDate());
+billMaster.setCreatedEpochDate(responseWrapper.getCreatedEpochDate());
+billMaster.setModifiedEpochDate(responseWrapper.getModifiedEpochDate());
+
+
+billMasterRepository.save(billMaster);
+}
+
+	 public void saveBillValidation(FetchBillValidateResponse responseWrapper, BillFetchByBillIdRequest billRequest) {
+		 System.out.println("responseWrapper");
+		 ModelMapper modelMapper = new ModelMapper();
+	 
+	        try {
+	            LOGGER.info("Saving bill validation data for billId={}", responseWrapper.getBillId());
+
+	            // ✅ Map the main object
+	            BillValidation billEntity = modelMapper.map(responseWrapper, BillValidation.class);
+	            // ✅ Manually handle only the nested relationship part
+	            if (responseWrapper.getCustomerParams() != null) {
+	                List<CustomerParamBillValidation> customerParams = responseWrapper.getCustomerParams()
+	                        .stream()
+	                        .map(param -> {
+	                            CustomerParamBillValidation cp = modelMapper.map(param, CustomerParamBillValidation.class);
+	                            cp.setBill(billEntity); // maintain relation
+	                            return cp;
+	                        })
+	                        .collect(Collectors.toList());
+	                billEntity.setCustomerParams(customerParams);
+	            }
+	            if (responseWrapper.getAdditionalInfo() != null) {
+	              List<AdditionalInfoBillValidate> additionalInfos = responseWrapper.getAdditionalInfo()
+	                        .stream()
+	                        .map(info -> {
+	                            AdditionalInfoBillValidate ai = modelMapper.map(info, AdditionalInfoBillValidate.class);
+	                            ai.setBill(billEntity); // maintain relation
+	                            return ai;
+	                        })
+	                        .collect(Collectors.toList());
+	                billEntity.setAdditionalInfo(additionalInfos);
+	                
+	            }
+	            // ✅ Save everything (cascade handles child)
+	            
+	            billValidationRepository.save(billEntity);
+
+	            LOGGER.info("Bill validation saved successfully for billId={}", billEntity.getBillId());
+	        } catch (Exception ex) {
+	            LOGGER.error("Error saving BillValidation data: {}", ex.getMessage(), ex);
+	            throw new RuntimeException("Failed to save bill validation data", ex);
+	        }
+
+   
+}
+	 
+	 public  FetchBillForwardRequest fetchBillForwardRequestMap(FetchBillRequest req) {
+
+	        FetchBillForwardRequest forward = new FetchBillForwardRequest();
+
+	        forward.setBillerId(req.getBillerId());
+	        forward.setBillerName(req.getBillerName());
+	        forward.setBillerCategory(req.getBillerCategory());
+	        forward.setClientReqId(req.getClientReqId());
+	        forward.setMacAdress(req.getMacAdress());
+	        forward.setCustomerMobNo(req.getCustomerMobNo());
+	        forward.setRemitterName(req.getRemitterName());
+	        forward.setPaymentChannel(req.getPaymentChannel());
+	        forward.setDeviceBlockTags(req.getDeviceBlockTags());
+	        forward.setCustomerParamsRequest(req.getCustomerParamsRequest());
+	        forward.setRemitterIdentity(req.getRemitterIdentity());
+
+	        return forward;
+	    }
+	 
+	 public  FetchBillValidatestForwardRequest fetchBillValidatestForwardRequest(FetchBillValidatestRequest req) {
+
+	        FetchBillValidatestForwardRequest forward = new FetchBillValidatestForwardRequest();
+
+	        forward.setBillerId(req.getBillerId());
+	        forward.setBillerName(req.getBillerName());
+	        forward.setBillerCategory(req.getBillerCategory());
+	        forward.setCustomerMobNo(req.getCustomerMobNo());
+	        forward.setClientReqId(req.getClientReqId());
+	        forward.setMacAddress(req.getMacAddress());
+	        forward.setCustomerParamsRequest(req.getCustomerParamsRequest());
+
+	        return forward;
+	    }
+	 public  BillPaymentForwardRequest billPaymentForwardRequest(BillPaymentRequest req) {
+
+	        BillPaymentForwardRequest forward = new BillPaymentForwardRequest();
+
+	        forward.setTenantId(req.getTenantId());
+	        forward.setRefId(req.getRefId());
+	        forward.setBillId(req.getBillId());
+	        forward.setAmountOptions(req.isAmountOptions());
+	        forward.setPaymentMode(req.getPaymentMode());
+	        forward.setPaymentInformation(req.getPaymentInformation());
+	        forward.setBillerId(req.getBillerId());
+	        forward.setBillerName(req.getBillerName());
+	        forward.setBillerCategory(req.getBillerCategory());
+	        forward.setMacAdress(req.getMacAdress());
+	        forward.setCustomerMobNo(req.getCustomerMobNo());
+	        forward.setTxnAmount(req.getTxnAmount());
+	        forward.setPaymentRefId(req.getPaymentRefId());
+	        forward.setClientReqId(req.getClientReqId());
+	        forward.setPaymentChannel(req.getPaymentChannel());
+
+	        forward.setDeviceBlockTags(req.getDeviceBlockTags());
+	        forward.setCustomerParamsRequest(req.getCustomerParamsRequest());
+	        forward.setRemitterIdentity(req.getRemitterIdentity());
+	        forward.setAmountBreakSet(req.getAmountBreakSet());
+
+	        return forward;
+	    }
 }

src/main/java/com/billpaymentservice/bbps/util/EntityRelationshipUtil.java

@@ -1,7 +1,4 @@
 package com.billpaymentservice.bbps.util;
-
-import com.billpaymentservice.bbps.dto.request.FetchBillRequest;
-import com.billpaymentservice.bbps.dto.sentRequest.FetchBillForwardRequest;
 import com.billpaymentservice.bbps.entites.BillerDetails;
 import com.billpaymentservice.bbps.entites.BillerResponseParams;
 import com.billpaymentservice.bbps.entites.InterchangeFee;

src/main/java/com/billpaymentservice/bbps/util/Helper.java

@@ -2,16 +2,12 @@ package com.billpaymentservice.bbps.util;
 
 import java.security.SecureRandom;
 import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Optional;
-import java.util.function.Function;
-import java.util.stream.Collectors;
-
-import org.modelmapper.ModelMapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
 import org.springframework.stereotype.Component;
+<<<<<<< HEAD
 
 import com.billpaymentservice.bbps.dto.AdditionalInfoBillDTO;
 import com.billpaymentservice.bbps.dto.CustomerParamDAO;
@@ -31,17 +27,12 @@ import com.billpaymentservice.bbps.dto.sentRequest.FetchComplaintForwardRequest;
 import com.billpaymentservice.bbps.dto.sentRequest.FetchTicketLatestStatusRequest;
 import com.billpaymentservice.bbps.entites.AdditionalInfoBill;
 import com.billpaymentservice.bbps.entites.AdditionalInfoBillValidate;
+=======
+>>>>>>> d0812656ff2aee80b1eb0c0ab8e29a01d7d66553
 import com.billpaymentservice.bbps.entites.BBPSMastersData;
-import com.billpaymentservice.bbps.entites.BillMaster;
-import com.billpaymentservice.bbps.entites.BillValidation;
-import com.billpaymentservice.bbps.entites.BillerDetails;
-import com.billpaymentservice.bbps.entites.BillerResponse;
-import com.billpaymentservice.bbps.entites.CustomerParamBill;
-import com.billpaymentservice.bbps.entites.CustomerParamBillValidation;
 import com.billpaymentservice.bbps.entites.InboundTraceLog;
 import com.billpaymentservice.bbps.entites.OutboundTraceLog;
-import com.billpaymentservice.bbps.entites.PaymentChannel;
-import com.billpaymentservice.bbps.entites.PaymentMode;
+import com.billpaymentservice.bbps.entites.BharatConnectMaster;
 import com.billpaymentservice.bbps.exception.CustomException;
 import com.billpaymentservice.bbps.repository.BBPSMasterDataRepo;
 import com.billpaymentservice.bbps.repository.BillMasterRepository;
@@ -61,14 +52,12 @@ public class Helper {
 	private static final String CHARACTERS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 	private static final SecureRandom secureRandom = new SecureRandom();
 	private final ObjectMapper objectMapper = new ObjectMapper();
-
 	private final BBPSMasterDataRepo bbpsMasterDataRepo;
-	private final BillerDataRepository billerDataRespository;
-	private final BillMasterRepository billMasterRepository;
-	private final BillValidationRepository billValidationRepository;
+
 
 	// Constructor Injection
 	public Helper(BBPSMasterDataRepo bbpsMasterDataRepo, InboundTraceLogRepository inboundTraceLogRepository,
+<<<<<<< HEAD
 			OutboundTraceLogRepository outboundTraceLogRepository, BillerDataRepository billerDataRepository,
 			BillMasterRepository billMasterRepository, BillValidationRepository billValidationRepository) {
 		this.bbpsMasterDataRepo = bbpsMasterDataRepo;
@@ -78,6 +67,13 @@ public class Helper {
 		this.billMasterRepository = billMasterRepository;
 		this.billValidationRepository = billValidationRepository;
 	}
+=======
+			OutboundTraceLogRepository outboundTraceLogRepository,BillerDataRepository billerDataRepository,
+			BillMasterRepository billMasterRepository,BillValidationRepository billValidationRepository) {
+		this.inboundTraceLogRepository = inboundTraceLogRepository;
+		this.outboundTraceLogRepository = outboundTraceLogRepository;
+		this.bbpsMasterDataRepo = bbpsMasterDataRepo;}
+>>>>>>> d0812656ff2aee80b1eb0c0ab8e29a01d7d66553
 
 	/**
 	 * Validates whether the merchant exists and is active.
@@ -89,35 +85,6 @@ public class Helper {
 	 * 
 	 *
 	 */
-
-	public <T> void startPolling(T requestObject, // Request object (any type)
-			Function<T, ResponseModel> apiCallFunction, // Function to call API
-			int intervalSeconds, // gap between two polls
-			int maxDurationSeconds // total polling time
-	) {
-		new Thread(() -> {
-			try {
-				int maxAttempts = maxDurationSeconds / intervalSeconds;
-
-				for (int i = 0; i < maxAttempts; i++) {
-					LOGGER.info("⏳ Polling attempt {}...", i + 1);
-
-					ResponseModel response = apiCallFunction.apply(requestObject);
-					LOGGER.info("📥 Poll response: {}", response);
-
-					if ("SUCCESS".equalsIgnoreCase(response.getStatus())) {
-						LOGGER.info("✅ Polling successful, stopping early.");
-						break;
-					}
-
-					Thread.sleep(intervalSeconds * 1000L);
-				}
-			} catch (Exception e) {
-				LOGGER.error("❌ Error in polling thread: {}", e.getMessage(), e);
-			}
-		}).start();
-	}
-
 	public void validateMerchant(String mid) {
 		if (mid == null || mid == "") {
 			LOGGER.warn("MerchantRequestModel or MID is null");
@@ -215,12 +182,15 @@ public class Helper {
 		outboundLog.setResponsePayload(responsePayload);
 		outboundLog.setResponseReceiveTime(LocalDateTime.now());
 		outboundTraceLogRepository.save(outboundLog);
+<<<<<<< HEAD
 
+=======
+>>>>>>> d0812656ff2aee80b1eb0c0ab8e29a01d7d66553
 	}
 
 	/* ---------- End helpers ---------- */
-	public void saveOrUpdateBillerData(BillerDetails newEntity) {
 
+<<<<<<< HEAD
 		Optional<BillerDetails> existingOpt = billerDataRespository.findByBillerId(newEntity.getBillerId());
 
 		if (existingOpt.isPresent()) {
@@ -419,4 +389,18 @@ public class Helper {
 		forward.setTxnNpciId(request.getTxnNpciId());
 		return forward;
 	}
+=======
+	// New reusable header builder for BBPS calls
+    public HttpHeaders buildHeaders(BharatConnectMaster headersData) {
+        HttpHeaders headers = new HttpHeaders();
+        if (headersData != null) {
+            headers.set("x-digiledge-key", headersData.getXDigiledgeKey());
+            headers.set("agentId", headersData.getAgentId());
+            headers.set("tenantId", headersData.getTenantId());
+        }
+        headers.setContentType(MediaType.APPLICATION_JSON);
+        return headers;
+    }
+
+>>>>>>> d0812656ff2aee80b1eb0c0ab8e29a01d7d66553
 }