data optimise code

Reviewed-on: https://git.zeptic.in/himanshu/bbps/pulls/43

pom.xml

@@ -45,6 +45,12 @@
 			</exclusions>
 		</dependency>
 		
+		<dependency>
+    <groupId>io.github.resilience4j</groupId>
+    <artifactId>resilience4j-spring-boot3</artifactId>
+    <version>2.2.0</version>
+</dependency>
+
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-data-jpa</artifactId>
@@ -159,6 +165,12 @@
 			<version>0.11.5</version>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+    <groupId>org.jsoup</groupId>
+    <artifactId>jsoup</artifactId>
+    <version>1.17.1</version>
+</dependency>
+
 
 		<!-- Test -->
 		<dependency>
@@ -174,6 +186,8 @@
 			<optional>true</optional>
 		</dependency>
 		
+		
+
 	</dependencies>
 
 	<build>

src/main/java/com/billpaymentservice/bbps/audit/Auditable.java

@@ -1,42 +0,0 @@
-package com.billpaymentservice.bbps.audit;
-
-import java.io.Serializable;
-import java.util.Date;
-
-import org.springframework.data.annotation.CreatedBy;
-import org.springframework.data.annotation.CreatedDate;
-import org.springframework.data.annotation.LastModifiedBy;
-import org.springframework.data.annotation.LastModifiedDate;
-
-import jakarta.persistence.Column;
-import jakarta.persistence.MappedSuperclass;
-import jakarta.persistence.Temporal;
-import jakarta.persistence.TemporalType;
-import lombok.Data;
-
-@Data
-@MappedSuperclass
-public abstract class Auditable<U> implements Serializable {
-	private static final long serialVersionUID = 1L;
-
-	@CreatedDate
-	@Temporal(TemporalType.TIMESTAMP)
-	@Column(name = "create_date_time")
-	protected Date createDateTime;
-
-	@LastModifiedDate
-	@Temporal(TemporalType.TIMESTAMP)
-	@Column(name = "updated_date_time")
-	protected Date updatedDateTime;
-
-	@LastModifiedBy
-	@Column(name = "updated_by")
-	protected U updatedBy;
-
-	@CreatedBy
-	@Column(name = "create_by")
-	protected U createdBy;
-
-	@Column(name = "is_deleted")
-	protected boolean isDeleted = false;
-}

src/main/java/com/billpaymentservice/bbps/config/CustomUserDetailsService.java

@@ -11,9 +11,7 @@ import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
 
 import com.billpaymentservice.bbps.entites.UserEntity;
-import com.billpaymentservice.bbps.entites.UsersDetails;
 import com.billpaymentservice.bbps.repository.UserRepository;
-import com.billpaymentservice.bbps.repository.UsersDetailsRepository;
 
 @Service
 public class CustomUserDetailsService implements UserDetailsService {

src/main/java/com/billpaymentservice/bbps/config/RestClientConfig.java

@@ -2,13 +2,14 @@ package com.billpaymentservice.bbps.config;
 
 import java.security.cert.X509Certificate;
 
+import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.X509TrustManager;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
 import org.springframework.web.client.RestClient;
 
 @Configuration
@@ -16,24 +17,31 @@ public class RestClientConfig {
 
     @Bean
     public RestClient restClient() throws Exception {
-        // ✅ Create trust all SSL context
+
-        SSLContext sslContext = SSLContext.getInstance("TLS");
+        // Create Trust-All SSL context
         TrustManager[] trustAllCerts = new TrustManager[]{
             new X509TrustManager() {
                 public X509Certificate[] getAcceptedIssuers() {
                     return new X509Certificate[0];
                 }
-                public void checkClientTrusted(X509Certificate[] certs, String authType) {
+                public void checkClientTrusted(X509Certificate[] certs, String authType) {}
-                }
+                public void checkServerTrusted(X509Certificate[] certs, String authType) {}
-                public void checkServerTrusted(X509Certificate[] certs, String authType) {
-                }
             }
         };
+
+        SSLContext sslContext = SSLContext.getInstance("TLS");
         sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
 
-        // ✅ Create RestClient with custom SSL context
+        // Use JDK's Simple HTTP client with custom SSL context
+        SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
+        requestFactory.setBufferRequestBody(false);
+
+        // Apply SSL context to HttpsURLConnection globally
+        HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
+        HttpsURLConnection.setDefaultHostnameVerifier((hostname, session) -> true);
+
         return RestClient.builder()
-                .requestFactory(new HttpComponentsClientHttpRequestFactory())
+                .requestFactory(requestFactory)
                 .build();
     }
 }

src/main/java/com/billpaymentservice/bbps/config/SecurityConfig.java

@@ -2,6 +2,7 @@ package com.billpaymentservice.bbps.config;
 
 import java.util.Arrays;
 
+import com.billpaymentservice.bbps.controller.AgentController;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpMethod;
@@ -18,13 +19,16 @@ import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
 @EnableWebSecurity
 public class SecurityConfig {
 
+    private final AgentController agentController;
+
 	private final JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;
 
 	private final JwtFilter jwtFilter;
 
-	public SecurityConfig(JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint, JwtFilter jwtFilter) {
+	public SecurityConfig(JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint, JwtFilter jwtFilter, AgentController agentController) {
 		this.jwtAuthenticationEntryPoint = jwtAuthenticationEntryPoint;
 		this.jwtFilter = jwtFilter;
+		this.agentController = agentController;
 	}
 
 	@Bean
@@ -39,6 +43,8 @@ public class SecurityConfig {
 								         "/swagger-resources/**", 
 								         "/webjars/**", 
 								         "/error")
+						.permitAll()
+			            .requestMatchers("/payment/callback/startPayment","/complaints/checkTicketStatus")
 			            .permitAll().requestMatchers(HttpMethod.OPTIONS, "/**").permitAll()
 						.anyRequest().authenticated())
 				.exceptionHandling(ex -> ex.authenticationEntryPoint(jwtAuthenticationEntryPoint))

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

@@ -9,7 +9,6 @@ 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;
@@ -19,6 +18,14 @@ 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;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 
 @RestController
 @RequestMapping("/agent")
@@ -31,20 +38,22 @@ public class AgentController {
 		this.agentService = agentService;
 	}
 
-	/**
+	@PostMapping(value = "/requestBillFetch")
-	 * Fetches bill details from external BBPS service
+	@Operation(summary = "Initiate bill fetch request", description = "This API initiates a bill fetch request for the given customer/biller details.")
-	 */
+	@ApiResponses(value = {
-	@PostMapping(value = "/requestBillFetch", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Bill fetch request initiated successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> requestBillFetch(@Validated @RequestBody FetchBillRequest fetchBillRequest) {
 
 		ResponseModel response = agentService.initiateBillFetch(fetchBillRequest);
 		return ResponseEntity.ok(response);
 	}
 
-	/**
+	@PostMapping(value = "/fetchBillById")
-	 * Fetches bill details from external BBPS service
+	@Operation(summary = "Fetch bill details by bill ID", description = "This API retrieves bill details from the BBPS system using the provided bill ID.")
-	 */
+	@ApiResponses(value = {
-	@PostMapping(value = "/fetchBillById", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Bill details fetched successfully by bill ID", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> fetchBillById(
 			@Validated @RequestBody BillFetchByBillIdRequest billFetchByBillIdRequest) {
 
@@ -52,10 +61,11 @@ public class AgentController {
 		return ResponseEntity.ok(response);
 	}
 
-	/**
+	@PostMapping(value = "/requestBillValidate")
-	 * Fetches bill details validate from external BBPS service
+	@Operation(summary = "Initiate bill validation request", description = "This API validates customer input and bill details .")
-	 */
+	@ApiResponses(value = {
-	@PostMapping(value = "/requestBillValidate", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Bill validation initiated successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> requestBillValidate(
 			@Validated @RequestBody FetchBillValidatestRequest fetchBillValidateRequest) {
 
@@ -63,10 +73,11 @@ public class AgentController {
 		return ResponseEntity.ok(response);
 	}
 
-	/**
+	@PostMapping(value = "/requestBillValidateByBillId")
-	 * Fetches bill details by bill Id from external BBPS service
+	@Operation(summary = "Bill validate by details by bill ID", description = "This API retrieves bill details from BBPS using the provided bill ID.")
-	 */
+	@ApiResponses(value = {
-	@PostMapping(value = "/requestBillValidateByBillId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Bill details fetched successfully by bill ID", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> requestBillByBillId(
 			@Validated @RequestBody BillFetchByBillIdRequest billRequest) {
 
@@ -74,7 +85,11 @@ public class AgentController {
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/fetchBillByClientReqId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/fetchBillByClientReqId")
+	@Operation(summary = "Fetch bill details by client request ID", description = "This API fetches bill details using the client-generated request ID (clientReqId).")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Bill details fetched successfully using client request ID", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> fetchBillByClientReqId(
 			@Validated @RequestBody BillFetchByClientIdRequest billFetchByClientIdRequest) {
 
@@ -82,7 +97,11 @@ public class AgentController {
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/fetchBillValidateByClientReqId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/fetchBillValidateByClientReqId")
+	@Operation(summary = "Fetch bill details by client request ID", description = "This API retrieves bill details using the client's request ID (clientReqId).")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Bill details fetched successfully using client request ID", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> fetchBillValidateByClientReqId(
 			@Validated @RequestBody BillValidateByClientIdRequest billValidateByClientIdRequest) {
 
@@ -90,16 +109,25 @@ public class AgentController {
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value="/callback/billFetch", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/callback/billFetch")
+	@Operation(summary = "Handle bill fetch callback", description = "This callback API is invoked by BBPS/Biller to send bill fetch response.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Callback received and processed successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> handleBillFetchCallback(@RequestBody BillDataResponse billDataResponse) {
-		ResponseModel genralResp=agentService.processBillFetchCallback(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)
+	@PostMapping(value = "/callback/billValidate")
-    public ResponseEntity<ResponseModel> handleBillValidateCallback(@RequestBody FetchBillValidateResponse fetchBillValidateResponse) {
+	@Operation(summary = "Handle bill validate callback", description = "This callback API is triggered by BBPS/Biller to send bill validation response.")
-		ResponseModel genralResp=agentService.processBillValidateCallback(fetchBillValidateResponse);
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Callback received and processed successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
+	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/AuthController.java

@@ -10,14 +10,18 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.billpaymentservice.bbps.dto.ResponseModel;
-import com.billpaymentservice.bbps.dto.auth.AuthResponse;
-import com.billpaymentservice.bbps.dto.response.AuthResponses;
 import com.billpaymentservice.bbps.dto.auth.LoginRequest;
-import com.billpaymentservice.bbps.dto.auth.OtpSendResponse;
 import com.billpaymentservice.bbps.dto.auth.RegisterRequest;
 import com.billpaymentservice.bbps.dto.auth.VerifyOtpRequest;
 import com.billpaymentservice.bbps.service.AuthService;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
 
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import lombok.extern.slf4j.Slf4j;
 
 @RestController
@@ -32,25 +36,42 @@ public class AuthController {
 		this.authService = authService;
 	}
 
-	@PostMapping(value = "/sendOtp", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/sendOtp")
+	@Operation(summary = "Send OTP to user", description = "This API sends an OTP to the user's registered mobile number for authentication.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "OTP sent successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> sendOtp(@Validated @RequestBody LoginRequest request) {
 		log.info("Received sendOtp request for mobile: {}", request.getMobile());
 		return ResponseEntity.ok(authService.sendOtp(request));
 	}
 
-	@PostMapping(value = "/verifyOtp", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/verifyOtp")
+	@Operation(summary = "Verify OTP", description = "This API verifies the OTP entered by the user and validates the authentication flow.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "OTP verified successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
+
 	public ResponseEntity<ResponseModel> verifyOtp(@Validated @RequestBody VerifyOtpRequest request) {
 
 		return ResponseEntity.ok(authService.verifyOtp(request));
 	}
 
-	@PostMapping(value = "/register", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/register")
+	@Operation(summary = "Register a new user", description = "This API registers a new user into the system by validating the provided registration details.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "User registered successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> register(@Validated @RequestBody RegisterRequest request) {
 
 		return ResponseEntity.ok(authService.registerUser(request));
 	}
 
 	@PostMapping("/loginWithoutDecryption")
+	@Operation(summary = "Login without decryption (Testing Only)", description = "This API is used only for testing purposes. It authenticates the user without decrypting the credentials, typically used when token generation fails or decryption flow is not enabled.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "User authenticated successfully (Testing Only)", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> login(@RequestBody LoginRequest loginRequest) {
 
 		return ResponseEntity.ok(authService.authenticateUser(loginRequest));

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

@@ -16,10 +16,16 @@ import com.billpaymentservice.bbps.dto.request.AllMasterOptionsRequest;
 import com.billpaymentservice.bbps.dto.request.ComplainStatusRequest;
 import com.billpaymentservice.bbps.dto.request.ComplaintRequestDTO;
 import com.billpaymentservice.bbps.dto.request.GetTicketLatestStausRequest;
-
-import com.billpaymentservice.bbps.dto.request.ViewAllComplaintsRequest;
 import com.billpaymentservice.bbps.dto.request.ViewAllComplaintsTicketsRequest;
 import com.billpaymentservice.bbps.service.ComplainService;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 
 @RestController
 @RequestMapping("/complaints")
@@ -31,19 +37,26 @@ public class ComplainController {
 
 	private final ComplainService complainService;
 
-	// ✅ Constructor name fixed and variable consistent
 	public ComplainController(ComplainService complainService) {
 		this.complainService = complainService;
 	}
 
-	@PostMapping(value = "/addComplainTicket", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/addComplainTicket")
+	@Operation(summary = "Add complaint ticket", description = "This API creates a new complaint ticket based on the provided request details.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Complaint ticket created successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> addComplain(@Validated @RequestBody ComplaintRequestDTO complainRequestDTO) {
 
 		ResponseModel response = complainService.addComplain(complainRequestDTO);
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/checkTicketStatus", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/checkTicketStatus")
+	@Operation(summary = "Fetch latest complaint ticket status", description = "This API retrieves the latest status of a complaint ticket based on the provided ticket ID.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Complaint ticket status fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getComplaintStatus(
 			@Validated @RequestBody GetTicketLatestStausRequest request) {
 		log.info("Received complaint status request for complaintId: {}", request.getTicketId());
@@ -51,7 +64,11 @@ public class ComplainController {
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/viewComplainsTicketHistory", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/viewComplainsTicketHistory")
+	@Operation(summary = "View complaint ticket history", description = "This API retrieves the full complaint history for the provided ticket ID.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Complaint ticket history fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> viewComplaintHistory(@Validated @RequestBody ComplainStatusRequest request) {
 		log.info("Received complaint View Complaint History request for ticketId: {}", request.getTicketId());
 		ResponseModel response = complainService.viewComplaintHistory(request);
@@ -59,6 +76,10 @@ public class ComplainController {
 	}
 
 	@PostMapping("/viewTicketById")
+	@Operation(summary = "View complaint details by ID", description = "This API retrieves the complaint details for the given complaint ticket ID.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Complaint details fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> viewComplaintById(@Validated @RequestBody ComplainStatusRequest request) {
 		log.info("Received complaint View Complaint By ID request for complaintId: {}", request.getTicketId());
 		ResponseModel response = complainService.viewComplaintById(request);
@@ -66,19 +87,33 @@ public class ComplainController {
 	}
 
 	@PostMapping("/allMasterOptions")
+	@Operation(summary = "Fetch all master options by ID", description = "This API retrieves all master option values based on the provided ID.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Master options fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getAllStatuses(@Validated @RequestBody AllMasterOptionsRequest request) {
 		return ResponseEntity.ok(complainService.getAllActiveStatuses(request));
 	}
 
 	@PostMapping("/viewAllComplaints")
-	public ResponseEntity<ResponseModel> viewAllComplaints(@RequestBody ViewAllComplaintsTicketsRequest request) {
+	@Operation(summary = "View all complaints by status type", description = "This API retrieves all complaints filtered by the provided status type.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "All complaints fetched successfully based on status type", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
+	public ResponseEntity<ResponseModel> viewAllComplaints(
+			@Validated @RequestBody ViewAllComplaintsTicketsRequest request) {
 		log.info("Received request complaint View All Complaints for Status Type={}", request.getStatusType());
 		ResponseModel response = complainService.ViewAllComplaints(request);
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/viewAllComplaintsByUserId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/viewAllComplaintsByUserId")
-	public ResponseEntity<ResponseModel> viewAllComplaintsByUserId(@Validated @RequestBody AllMasterOptionsRequest request) {
+	@Operation(summary = "View all complaints by user ID", description = "This API retrieves all complaint tickets associated with the provided user ID.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "All complaints fetched successfully by user ID", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
+	public ResponseEntity<ResponseModel> viewAllComplaintsByUserId(
+			@Validated @RequestBody AllMasterOptionsRequest request) {
 		ResponseModel response = complainService.viewAllComplaintsByUserId(request);
 		return ResponseEntity.ok(response);
 	}

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

@@ -16,13 +16,18 @@ import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
 import com.billpaymentservice.bbps.dto.request.ContactMasterRequest;
 import com.billpaymentservice.bbps.dto.request.CustomParamRequest;
 import com.billpaymentservice.bbps.dto.request.DispositionRequest;
-import com.billpaymentservice.bbps.dto.request.LoginRequest;
 import com.billpaymentservice.bbps.dto.request.MasterCategoryRequest;
 import com.billpaymentservice.bbps.dto.request.MasterRequest;
 import com.billpaymentservice.bbps.dto.request.PlanRequest;
-import com.billpaymentservice.bbps.dto.response.AuthResponses;
 import com.billpaymentservice.bbps.service.MasterDataService;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
 
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import jakarta.validation.Valid;
 
 @RequestMapping("/masterData")
@@ -39,8 +44,12 @@ public class MasterDataController {
 		this.masterDataService = masterDataService;
 	}
 
-	/** Get Details of the biller by billId **/
+	@PostMapping(value = "/getBillerDetails")
-	@PostMapping(value = "/getBillerDetails", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@Operation(summary = "Fetch biller details", description = "Get biller details by biller id and returns the result")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Biller details fetch successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getBillerDetails(@Valid @RequestBody BillerDetailRequest billerDetailRequest) {
 
 		log.info("Received biller details request for billerId: {}", billerDetailRequest.getBillerId());
@@ -48,32 +57,41 @@ public class MasterDataController {
 		return ResponseEntity.ok(masterDataService.getBillerByBillerId(billerDetailRequest));
 	}
 
-	/** Get Master Contact **/
+	@PostMapping(value = "/getContactMasterResponse")
-	@PostMapping(value = "/getContactMasterResponse", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@Operation(summary = "Fetch contact master data", description = "Fetch contact master and returns the response")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Fetch contact master response fetch successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getContactMaster(
 			@Validated @RequestBody ContactMasterRequest contactMasterRequest) {
 
 		return ResponseEntity.ok(masterDataService.getContactMaster(contactMasterRequest));
 	}
 
-	@PostMapping(value = "/getDispostionDetail", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/getDispostionDetail")
+	@Operation(summary = "Fetch disposition details", description = "Fetch disposition details for a given ticket and return the response")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Disposition details fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
 	public ResponseEntity<ResponseModel> getDispostionDetail(
 			@Validated @RequestBody DispositionRequest dispositionDetailRequest) {
 		return ResponseEntity.ok(masterDataService.getDispositionDetails(dispositionDetailRequest));
 	}
 
-	@PostMapping(value = "/getTicketDispositions", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/getTicketDispositions")
+	@Operation(summary = "Fetch ticket disposition details", description = "Fetch ticket disposition details for a given ticket and return the response")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Ticket disposition details fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
 	public ResponseEntity<ResponseModel> getTicketDispositions(
 			@Validated @RequestBody DispositionRequest dispositionDetailRequest) {
 		return ResponseEntity.ok(masterDataService.getTicketDispositions(dispositionDetailRequest));
 	}
 
-	/**
+	@PostMapping(value = "/getCustomerParamDetails")
-	 * Get CustomerParam by billerId.The parameter is different from the data we are
+	@Operation(summary = "Fetch customer parameter details by biller ID", description = "API fetches the customer parameter configuration based on the provided biller ID.")
-	 * getting in the billerDetail
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Customer parameter details fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-
+	@ApiDocCommonResponses
-	@PostMapping(value = "/getCustomerParamDetails", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
 	public ResponseEntity<ResponseModel> getCustomerParamDetails(
 			@Validated @RequestBody CustomParamRequest customerParamRequest) {
 
@@ -82,68 +100,68 @@ public class MasterDataController {
 		return ResponseEntity.ok(masterDataService.getCustomerParamByBillerId(customerParamRequest));
 	}
 
-	/**
-	 * Get All Master Data .The parameter is different from the data we are getting
-	 * Made By Arham in the MasterRequest
-	 **/
 	@PostMapping("/getAllMastersData")
+	@Operation(summary = "Fetch all master data", description = "API retrieves all the master data based on the provided .")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Master data fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseModel fetchMasterData(@Validated @RequestBody MasterRequest masterRequest) {
 		return masterDataService.getMasterData(masterRequest);
 	}
 
-	/**
+	@PostMapping(value = "/getMasterCategoryWise")
-	 * POST Master CategoryResponseList Wise API Fetch CategoryResponseList Wise
+	@Operation(summary = "Fetch master data category-wise", description = "API retrieves master data based on the selected category.")
-	 * from BBPS URL Made By Arham
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Category-wise master data fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-	@PostMapping(value = "/getMasterCategoryWise", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getMasterDataCategoryWise(
 			@Valid @RequestBody MasterCategoryRequest masterRequest) {
 		return ResponseEntity.ok(masterDataService.fetchMasterDataCategoryWise(masterRequest));
 	}
 
-	/**
+	@PostMapping(value = "/customerParamGroupsByBillerId")
-	 * POST Customer Param Groups API Fetch CategoryResponseList Wise from BBPS URL
+	@Operation(summary = "Fetch customer parameter groups by biller ID", description = "API retrieves all customer parameter groups configured for the specified biller ID.")
-	 * Made By Arham
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Customer parameter groups fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-	@PostMapping(value = "/customerParamGroupsByBillerId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getCustomerParamGroup(
 			@Validated @RequestBody BillerDetailRequest requestModel) {
 		return ResponseEntity.ok(masterDataService.fetchCustomerParamGroup(requestModel));
 	}
 
-	/**
+	@PostMapping(value = "/fetchAmountOptionsByBillerId")
-	 * POST Fetch All AMount Options By Biller Id API Fetch CategoryResponseList
+	@Operation(summary = "Fetch all master amount options by biller ID", description = "API retrieves all the master amount options configured for the given biller ID.")
-	 * Wise from BBPS URL Made By Arham
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Master amount options fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-	@PostMapping(value = "/fetchAmountOptionsByBillerId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> fetchAllMasterAmountOptionsByBillerId(
 			@Validated @RequestBody BillerDetailRequest requestModel) {
 		return ResponseEntity.ok(masterDataService.fetchAllMasterAmountOption(requestModel));
 	}
 
-	/**
+	@PostMapping(value = "/fetchAllPlanCategoriesByBillerId")
-	 * POST Fetch All AMount Options By Biller Id API Fetch CategoryResponseList
+	@Operation(summary = "Fetch plan categories by biller ID", description = "API retrieves all plan categories available for the specified biller ID.")
-	 * Wise from BBPS URL Made By Arham
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Plan categories fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-	@PostMapping(value = "/fetchAllPlanCategoriesByBillerId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> fetchPlanCategories(@Validated @RequestBody BillerDetailRequest requestModel) {
 		return ResponseEntity.ok(masterDataService.fetchPlanCategorie(requestModel));
 	}
 
-	/**
+	@PostMapping(value = "/initiatingChannel")
-	 * POST Fetch Initiating Channel API Fetch CategoryResponseList Wise from BBPS
+	@Operation(summary = "Fetch initiating channel details by biller ID", description = "API retrieves initiating channel information configured for the specified biller ID.")
-	 * URL Made By Arham
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Initiating channel details fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-	@PostMapping(value = "/initiatingChannel", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> initiatingChannel(@Validated @RequestBody BillerDetailRequest requestModel) {
 		return ResponseEntity.ok(masterDataService.fetchInitiatingChannel(requestModel));
 	}
 
-	/**
+	@PostMapping(value = "/fetchPlanByCategoryName")
-	 * POST Fetch All AMount Options By Biller Id API Fetch CategoryResponseList
+	@Operation(summary = "Fetch plans by category name", description = "API retrieves all available plans for the specified category name.")
-	 * Wise from BBPS Made By Arham URL
+	@ApiResponses(value = {
-	 **/
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Plans fetched successfully based on category name", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
-	@PostMapping(value = "/fetchPlanByCategoryName", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> fetchPlanByCategory(@Validated @RequestBody PlanRequest requestModel) {
 		return ResponseEntity.ok(masterDataService.fetchPlanByCategories(requestModel));
 	}

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

@@ -12,10 +12,16 @@ 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;
 import com.billpaymentservice.bbps.service.PaymentService;
 import com.billpaymentservice.bbps.service.PaymentStartService;
-import com.billpaymentservice.bbps.dto.request.PaymentStartUserRequest;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 
 @RestController
 @RequestMapping("/agent/payment")
@@ -28,21 +34,27 @@ public class PaymentController {
 	private final PaymentService paymentService;
 	private final PaymentStartService paymentStartService;
 
-	// New constructor used by Spring to inject both services
 	public PaymentController(PaymentService paymentService, PaymentStartService paymentStartService) {
 		this.paymentService = paymentService;
 		this.paymentStartService = paymentStartService;
 	}
 
-	@PostMapping(value = "/intiatePayment", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/intiatePayment")
+	@Operation(summary = "Initiate payment request", description = "This API initiates the payment process for the provided bill payment request.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Payment initiated successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> requestBillFetch(
-			@Validated @RequestBody BillPaymentRequest billPaymentRequest) {
+			 @RequestBody BillPaymentRequest billPaymentRequest) {
-
 		ResponseModel response = paymentService.initiatePayment(billPaymentRequest);
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/checkTransactionStatus", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/checkTransactionStatus")
+	@Operation(summary = "Check transaction status", description = "This API checks the current status of a bill payment transaction using transactionId or clientReqId.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Transaction status fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> checkTransactionStatus(
 			@Validated @RequestBody TransactionStatusRequest transactionStatusRequest) {
 
@@ -50,7 +62,11 @@ public class PaymentController {
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/checkTransactionStatusByClientReqId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/checkTransactionStatusByClientReqId")
+	@Operation(summary = "Check transaction status by client request ID", description = "This API checks the payment transaction status using the client-generated request ID (clientReqId).")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Transaction status fetched successfully using clientReqId", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> checkTransactionStatusByClientReqId(
 			@Validated @RequestBody TrasactionStatusByClientReqIdRequest transactionStatusRequest) {
 
@@ -58,8 +74,4 @@ public class PaymentController {
 		return ResponseEntity.ok(response);
 	}
 
-	
-	
-	
-	
 }

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

@@ -0,0 +1,42 @@
+package com.billpaymentservice.bbps.controller;
+
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.PostMapping;
+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.ResponseModel;
+import com.billpaymentservice.bbps.dto.request.PollBackRequest;
+import com.billpaymentservice.bbps.service.PollBackService;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+
+@RequestMapping("/payment")
+@RestController
+public class PaymentPollBackController {
+
+	private final PollBackService pollBackService;
+
+	public PaymentPollBackController(PollBackService pollBackService) {
+		this.pollBackService = pollBackService;
+	}
+
+	@PostMapping(value = "/pollback")
+	@Operation(summary = "Process poll-back request", description = "This API handles the poll-back request from biller.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Poll Back processed successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
+	public ResponseEntity<ResponseModel> startIntentPayment(@Validated @RequestBody PollBackRequest pollBackRequest) {
+		ResponseModel response = pollBackService.managePollBack(pollBackRequest);
+		return ResponseEntity.ok(response);
+	}
+}

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

@@ -12,9 +12,17 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.billpaymentservice.bbps.dto.ResponseModel;
-import com.billpaymentservice.bbps.dto.request.PaymentStartUserRequest;
 import com.billpaymentservice.bbps.dto.request.CallbackRequest;
+import com.billpaymentservice.bbps.dto.request.PaymentStartUserRequest;
 import com.billpaymentservice.bbps.service.PaymentStartService;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
+
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 
 @RestController
 @RequestMapping("/payment")
@@ -25,14 +33,23 @@ public class PaymentStartController {
 		this.paymentStartService = paymentStartService;
 	}
 
-	@PostMapping(value = "/startWebPayment", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/startWebPayment")
-    public ResponseEntity<ResponseModel> startWebPayment(@Validated @RequestBody PaymentStartUserRequest paymentStartUserRequest) {
+	@Operation(summary = "Start web payment process", description = "This API initiates the payment process for a web-based transaction using user and bill details.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Payment process started successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
+	public ResponseEntity<ResponseModel> startWebPayment(
+			@Validated @RequestBody PaymentStartUserRequest paymentStartUserRequest) {
 
 		ResponseModel response = paymentStartService.startWebPayment(paymentStartUserRequest);
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/callback/startPayment", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/callback/startPayment")
+	@Operation(summary = "Handle start payment callback", description = "This callback API is invoked by the payment gateway/BBPS to confirm the payment initiation status.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Start Payment Callback handled successfully", content = @Content(mediaType = "application/json")) })
+	@ApiDocCommonResponses
 	public ResponseEntity<Map<String, String>> handleCallback(@RequestBody CallbackRequest callbackRequest) {
 		ResponseModel resp = paymentStartService.handleStartCallback(callbackRequest);
 		Map<String, String> result = new HashMap<>();
@@ -41,12 +58,15 @@ public class PaymentStartController {
 		return ResponseEntity.ok(result);
 	}
 
-	@PostMapping(value = "/startIntentPayment", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/startIntentPayment")
-    public ResponseEntity<ResponseModel> startIntentPayment(@Validated @RequestBody PaymentStartUserRequest paymentStartUserRequest) {
+	@Operation(summary = "Start intent payment process", description = "This API initiates the intent-based payment process for a user.")
-        if (this.paymentStartService == null) {
+	@ApiResponses(value = {
-            // Defensive: if bean not injected, return failure
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Intent payment started successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))), })
-            return ResponseEntity.badRequest().body(new ResponseModel("PaymentStartService not available", "FAILED", 400, null));
+	@ApiDocCommonResponses
-        }
+	public ResponseEntity<ResponseModel> startIntentPayment(
+			@Validated @RequestBody PaymentStartUserRequest paymentStartUserRequest) {
+		ResponseEntity.badRequest().body(new ResponseModel("PaymentStartService not available", "FAILED", 400, null));
+
 		ResponseModel response = paymentStartService.startIntentPayment(paymentStartUserRequest);
 		return ResponseEntity.ok(response);
 	}

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

@@ -13,7 +13,14 @@ import com.billpaymentservice.bbps.dto.ResponseModel;
 import com.billpaymentservice.bbps.dto.request.PaymentHistoryByTxnRequest;
 import com.billpaymentservice.bbps.dto.request.PaymentHistoryRequest;
 import com.billpaymentservice.bbps.service.TxnHistoryService;
+import com.billpaymentservice.bbps.util.ApiDocCommonResponses;
+import com.billpaymentservice.bbps.util.BBPSConstant;
 
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import lombok.extern.slf4j.Slf4j;
 
 @RestController
@@ -29,7 +36,11 @@ public class TxnHistoryController {
 
 	}
 
-	@PostMapping(value = "/paymentHistoryDetails", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/paymentHistoryDetails")
+	@Operation(summary = "Get payment history details", description = "This API retrieves the payment history for a user based.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Payment history fetched successfully", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getPaymentHistory(
 			@Validated @RequestBody PaymentHistoryRequest paymentHistoryRequest) {
 
@@ -37,7 +48,11 @@ public class TxnHistoryController {
 		return ResponseEntity.ok(response);
 	}
 
-	@PostMapping(value = "/paymentHistoryByTxnId", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+	@PostMapping(value = "/paymentHistoryByTxnId")
+	@Operation(summary = "Get payment history by transaction ID", description = "This API retrieves the payment details for a specific transaction using the provided transaction ID.")
+	@ApiResponses(value = {
+			@ApiResponse(responseCode = BBPSConstant.OK_STR, description = "Payment history fetched successfully by transaction ID", content = @Content(mediaType = "application/json", schema = @Schema(implementation = ResponseModel.class))) })
+	@ApiDocCommonResponses
 	public ResponseEntity<ResponseModel> getPaymentHistoryByTxnId(
 			@Validated @RequestBody PaymentHistoryByTxnRequest request) {
 

src/main/java/com/billpaymentservice/bbps/dto/AdditionalInfo.java

@@ -3,6 +3,8 @@ package com.billpaymentservice.bbps.dto;
 import java.util.List;
 import java.util.UUID;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -12,6 +14,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AdditionalInfo {
 
 	private UUID planAdditionalInfoId;

src/main/java/com/billpaymentservice/bbps/dto/AdditionalInfoBillDTO.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -9,6 +11,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AdditionalInfoBillDTO {
 	   private String additionalInfoId;
 	   private String name;

src/main/java/com/billpaymentservice/bbps/dto/AdditionalInfoBillValidateDTO.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AdditionalInfoBillValidateDTO {
   String name;
   String value;

src/main/java/com/billpaymentservice/bbps/dto/AdditionalInfoDTO.java

@@ -1,10 +1,15 @@
 package com.billpaymentservice.bbps.dto;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AdditionalInfoDTO {
     @NotBlank(message = "Param Config ID cannot be blank")
     private String paramConfigId;

src/main/java/com/billpaymentservice/bbps/dto/AgentFundTransfer.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
@@ -7,6 +9,7 @@ import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AgentFundTransfer {
     @NotBlank private String fundTxnReferenceId;
     @NotBlank private String fundTxnRemarks;

src/main/java/com/billpaymentservice/bbps/dto/AmountOptionDTO.java

@@ -1,11 +1,17 @@
 package com.billpaymentservice.bbps.dto;
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class AmountOptionDTO{
    private String amountOptionId;            // Matches "amountOptionId" from JSON
     private List<String> amountBreakupSets;              // Reference to BillerResponseParams (only ID, not full entity)

src/main/java/com/billpaymentservice/bbps/dto/BillAdditionalInfoDTO.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillAdditionalInfoDTO {
 
 	private String additionalInfoId;

src/main/java/com/billpaymentservice/bbps/dto/BillCustomerParamsDTO.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillCustomerParamsDTO {
 
 	private String name;

src/main/java/com/billpaymentservice/bbps/dto/BillerAdditonalInfoDTO.java

@@ -1,10 +1,15 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillerAdditonalInfoDTO {
 	  private String paramConfigId;
       private String paramName;

src/main/java/com/billpaymentservice/bbps/dto/BillerDTO.java

@@ -2,17 +2,18 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
-import com.billpaymentservice.bbps.entites.AdditionalInfoBillValidate;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Size;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @JsonIgnoreProperties(ignoreUnknown = true)
+@ToString
 public class BillerDTO {
 
     @NotBlank(message = "Biller ID is mandatory")

src/main/java/com/billpaymentservice/bbps/dto/BillerIconDTO.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -9,6 +11,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillerIconDTO {
 
 	private String icon_data; // Base64 or image data

src/main/java/com/billpaymentservice/bbps/dto/BillerPlanResponseParamsDTO.java

@@ -3,10 +3,12 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @JsonIgnoreProperties(ignoreUnknown = true)
+@ToString
 public class BillerPlanResponseParamsDTO {
     private String billerPlanResponseId;
     private String paramsJson;

src/main/java/com/billpaymentservice/bbps/dto/BillerResponseBill.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.Setter;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillerResponseBill {
 	private String billId;
     private String amount;

src/main/java/com/billpaymentservice/bbps/dto/BillerResponseParamsDTO.java

@@ -2,11 +2,16 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillerResponseParamsDTO {
 
     private String billerResponseId;

src/main/java/com/billpaymentservice/bbps/dto/ChannelDTO.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.UUID;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.Setter;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class ChannelDTO {
 
 	private UUID channelId; // Machine-generated Unique ID assigned internally

src/main/java/com/billpaymentservice/bbps/dto/CheckClientBillerResponseDTO.java

@@ -2,11 +2,14 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CheckClientBillerResponseDTO {
 
 	private String billId;

src/main/java/com/billpaymentservice/bbps/dto/CloseComplaintDTO.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CloseComplaintDTO {
 
 	private String complaintId;

src/main/java/com/billpaymentservice/bbps/dto/ComplaintHistoryDTO.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class ComplaintHistoryDTO {
 
 	private String historyId;

src/main/java/com/billpaymentservice/bbps/dto/ComplaintResponseDto.java

@@ -0,0 +1,27 @@
+package com.billpaymentservice.bbps.dto;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ComplaintResponseDto {
+
+	private String ticketId;
+	private String ticketType;
+	private String txnNpciId;
+	private String status;
+	private String userId;
+	private String ticketDesp;
+	private String ticketDesr;
+
+	private List<ComplaintStatusDto> complaintStatusList;
+	private List<ComplaintHistoryDTO> historyList;
+	private List<ComplaintStatusDetailsDto> statusDetailsList;
+	private List<ViewAllComplaintDto> viewAllList;
+}

src/main/java/com/billpaymentservice/bbps/dto/ComplaintStatusDetailsDto.java

@@ -0,0 +1,21 @@
+package com.billpaymentservice.bbps.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ComplaintStatusDetailsDto {
+
+	private String ticketStatus;
+	private String ticketType;
+	private String txnAmount;
+	private String billerName;
+	private String ticketId;
+	private String totalTxnAmount;
+	private String billCategory;
+
+}

src/main/java/com/billpaymentservice/bbps/dto/ComplaintStatusDto.java

@@ -0,0 +1,20 @@
+package com.billpaymentservice.bbps.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class ComplaintStatusDto {
+
+	private String ticketId;
+	private String npciTicketStatus;
+	private String ticketDespo;
+	private String createdTime;
+	private String npciTicketType;
+	
+	
+}

src/main/java/com/billpaymentservice/bbps/dto/ContactMaster.java

@@ -1,5 +1,6 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.Getter;
@@ -7,6 +8,7 @@ import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class ContactMaster {
 	private String mobNo;
 	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)

src/main/java/com/billpaymentservice/bbps/dto/CustomParamDTO.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -13,6 +15,7 @@ import lombok.ToString;
 @AllArgsConstructor
 @NoArgsConstructor
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CustomParamDTO {
 	 private String customParamName;
      private String dataType;

src/main/java/com/billpaymentservice/bbps/dto/CustomerParamDTO.java

@@ -1,13 +1,18 @@
 package com.billpaymentservice.bbps.dto;
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CustomerParamDTO {
 	private String paramConfigId;
     @NotBlank(message = "Parameter name is required")

src/main/java/com/billpaymentservice/bbps/dto/CustomerParamGroupsDTO.java

@@ -1,6 +1,8 @@
 package com.billpaymentservice.bbps.dto;
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -8,6 +10,7 @@ import lombok.ToString;
 @Getter
 @Setter
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CustomerParamGroupsDTO {
     private List<GroupDTO> groups;
 }

src/main/java/com/billpaymentservice/bbps/dto/CustomerParamsRequest.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CustomerParamsRequest {
 	 private List<Tag> tags;
 }

src/main/java/com/billpaymentservice/bbps/dto/Detail.java

@@ -1,6 +1,8 @@
 package com.billpaymentservice.bbps.dto;
 
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -10,6 +12,7 @@ import lombok.Setter;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class Detail {
 	
    private String name;

src/main/java/com/billpaymentservice/bbps/dto/DeviceBlockTag.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class DeviceBlockTag {
     private String name;
     private String tagId;

src/main/java/com/billpaymentservice/bbps/dto/DeviceDetail.java

@@ -1,6 +1,8 @@
 package com.billpaymentservice.bbps.dto;
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.ToString;
 @NoArgsConstructor
 @AllArgsConstructor
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class DeviceDetail {
 	
 	private List<Detail> detail;

src/main/java/com/billpaymentservice/bbps/dto/DispositionsDTO.java

@@ -1,11 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
-
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class DispositionsDTO {
 	private String dispositionId;
     private String dispositionDescr;

src/main/java/com/billpaymentservice/bbps/dto/FaqDetailsResponse.java

@@ -1,10 +1,16 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Setter
 @Getter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class FaqDetailsResponse {
 
 	private String name;

src/main/java/com/billpaymentservice/bbps/dto/GeneralResp.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,8 @@ import lombok.ToString;
 @AllArgsConstructor
 @NoArgsConstructor
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class GeneralResp {
     private String statusCode;
     private String status;

src/main/java/com/billpaymentservice/bbps/dto/GroupDTO.java

@@ -2,11 +2,16 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class GroupDTO {
 
 	private String groupId;

src/main/java/com/billpaymentservice/bbps/dto/InterchangeFeeConfDTO.java

@@ -6,10 +6,12 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @JsonIgnoreProperties(ignoreUnknown = true)
+@ToString
 public class InterchangeFeeConfDTO {
     @NotBlank(message = "Interchange Fee Config ID cannot be blank")
     private String interChangeFeeConfId;

src/main/java/com/billpaymentservice/bbps/dto/InterchangeFeeDTO.java

@@ -6,10 +6,12 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @JsonIgnoreProperties(ignoreUnknown = true)
+@ToString
 public class InterchangeFeeDTO {
     @NotBlank(message = "Interchange Fee ID cannot be blank")
     private String interchangeFeeId;

src/main/java/com/billpaymentservice/bbps/dto/InterchangeFeeDetailDTO.java

@@ -1,11 +1,16 @@
 package com.billpaymentservice.bbps.dto;
 
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class InterchangeFeeDetailDTO {
 
     private String interchangeFeeDetId;

src/main/java/com/billpaymentservice/bbps/dto/MasterApiResponse.java

@@ -3,6 +3,7 @@ package com.billpaymentservice.bbps.dto;
 import java.util.List;
 
 import com.billpaymentservice.bbps.dto.response.CategoryResponse;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import lombok.AllArgsConstructor;
@@ -16,6 +17,7 @@ import lombok.ToString;
 @NoArgsConstructor
 @AllArgsConstructor
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class MasterApiResponse {
 
 	@JsonProperty(access = JsonProperty.Access.WRITE_ONLY)

src/main/java/com/billpaymentservice/bbps/dto/MasterCategoryBillerResponse.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -9,6 +11,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class MasterCategoryBillerResponse {
 
 	private String billerId;

src/main/java/com/billpaymentservice/bbps/dto/PaymentChannelDTO.java

@@ -1,12 +1,17 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
+@ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PaymentChannelDTO {
     private String paymentChannelLimitId;  
 

src/main/java/com/billpaymentservice/bbps/dto/PaymentModeDTO.java

@@ -7,10 +7,12 @@ import jakarta.validation.constraints.Pattern;
 import jakarta.validation.constraints.PositiveOrZero;
 import lombok.Getter;
 import lombok.Setter;
+import lombok.ToString;
 
 @Getter
 @Setter
 @JsonIgnoreProperties(ignoreUnknown = true)
+@ToString
 public class PaymentModeDTO {
     @NotBlank(message = "Payment model limit ID cannot be blank")
     private String paymentModelLimitId;

src/main/java/com/billpaymentservice/bbps/dto/PaymentPollBackResponse.java

@@ -0,0 +1,16 @@
+package com.billpaymentservice.bbps.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class PaymentPollBackResponse {
+ private String txnId;
+ private String orderId;
+ private String txnStatus;
+ 
+}

src/main/java/com/billpaymentservice/bbps/dto/PaymentStartReturnDto.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PaymentStartReturnDto {
 	   private String amount;
 	   private String orderNo;

src/main/java/com/billpaymentservice/bbps/dto/PaymentStatusDataResponse.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PaymentStatusDataResponse {
    private String amount;
    private String orderNo;

src/main/java/com/billpaymentservice/bbps/dto/PlanDTO.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PlanDTO {
 
 	private String planId;

src/main/java/com/billpaymentservice/bbps/dto/PlanTag.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.UUID;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PlanTag {
 
 	private UUID tagId;

src/main/java/com/billpaymentservice/bbps/dto/PlansListDTO.java

@@ -2,6 +2,8 @@ package com.billpaymentservice.bbps.dto;
 
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +13,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PlansListDTO {
 	
 	private List<PlanDTO> plans;

src/main/java/com/billpaymentservice/bbps/dto/RemitterIdentity.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -9,6 +11,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class RemitterIdentity {
 	private String name;
     private String value;

src/main/java/com/billpaymentservice/bbps/dto/ResponseModel.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -9,6 +11,8 @@ import lombok.NoArgsConstructor;
 @AllArgsConstructor
 @NoArgsConstructor
 @Builder
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class ResponseModel<T> {
 
 	private String message;

src/main/java/com/billpaymentservice/bbps/dto/Tag.java

@@ -1,5 +1,8 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -9,7 +12,9 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class Tag {
+
 	private String name;
 	private String value;
 }

src/main/java/com/billpaymentservice/bbps/dto/TicketDetailsDTO.java

@@ -1,8 +1,11 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Data;
 
 @Data
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class TicketDetailsDTO {
 
 	private String ticketId;

src/main/java/com/billpaymentservice/bbps/dto/TicketDispositionsDTO.java

@@ -1,10 +1,14 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class TicketDispositionsDTO {
 
 	private String dispositionId;

src/main/java/com/billpaymentservice/bbps/dto/TransactionDTO.java

@@ -66,9 +66,12 @@ public class TransactionDTO {
     private String planType;
 
     // ✅ Date fields as String (for JSON compatibility)
-    private String creationDate;
+    @JsonProperty("creationDate")
-    private String modifiedDate;
+    private String creationDateBank;
-
+    @JsonProperty("modifiedDate")
-    private Long createdEpochDate;
+    private String modifiedDateBank;
-    private Long modifiedEpochDate;
+    @JsonProperty("createdEpochDate")
+    private Long createdEpochDateBank;
+    @JsonProperty("modifiedEpochDate")
+    private Long modifiedEpochDateBank;
 }

src/main/java/com/billpaymentservice/bbps/dto/TransactionHistoryMasterDTO.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -7,6 +9,8 @@ import lombok.ToString;
 @Getter
 @Setter
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class TransactionHistoryMasterDTO {
 
 	private String bankTxnId;
@@ -22,8 +26,8 @@ public class TransactionHistoryMasterDTO {
 	private String billId;
 	private String userType;
 	private String userId;
-	private Double txnAmount;
+	private String txnAmount;
-	private Double totalTxnAmount;
+	private String totalTxnAmount;
 	private String billerId;
 	private String billerCategory;
 	private String billerName;
@@ -33,15 +37,15 @@ public class TransactionHistoryMasterDTO {
 	private String quickPay;
 	private String paymentMode;
 	private String agentPaymentInformation;
-	private Double custConvFee;
+	private String custConvFee;
 	private String currency;
 	private String status;
 	private String requestedIp;
 	private String customerMobNo;
 	private String macAddress;
-	private Double splitPayAmount;
+	private String splitPayAmount;
-	private Double couCustConvFee;
+	private String couCustConvFee;
-	private Boolean settlementVerification;
+	private String settlementVerification;
 	private String fundTxnType;
 	private String reason;
 	private String amountTags;

src/main/java/com/billpaymentservice/bbps/dto/TransactionHistoryParticularDetailsDTO.java

@@ -1,17 +1,20 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class TransactionHistoryParticularDetailsDTO {
 
 	private String billerCategory;
 
 	private String billerName;
 
-	private Double totalTxnAmount;
+	private String totalTxnAmount;
 
 	private String bankTxnId;
 

src/main/java/com/billpaymentservice/bbps/dto/UserDetailsDTO.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -9,6 +11,7 @@ import lombok.NoArgsConstructor;
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class UserDetailsDTO {
 
 	private String userId;

src/main/java/com/billpaymentservice/bbps/dto/ViewAllComplaintDto.java

@@ -0,0 +1,24 @@
+package com.billpaymentservice.bbps.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+
+public class ViewAllComplaintDto {
+
+	private String ticketStatus;
+	private String txnAmount;
+	private String billerName;
+	private String ticketId;
+	private String txnNpciId;
+	private String ticketType;
+	private String createdTime;
+	private String billCategory;
+	private String totalTxnAmount;
+
+}

src/main/java/com/billpaymentservice/bbps/dto/auth/AuthResponse.java

@@ -16,15 +16,16 @@ public class AuthResponse {
 	private boolean success;
 	private String message;
 	private boolean userExists;
-    private UserDto user;
+	private Object user;
 	private String token;
 
-    public AuthResponse(boolean success, String message, boolean userExists, UserDto user) {
+	public AuthResponse(boolean success, String message, String token, Object user) {
 		this.success = success;
 		this.message = message;
-        this.userExists = userExists;
+		this.token = token;
 		this.user = user;
 	}
+
 	public AuthResponse(boolean success, String message, String token) {
 		this.success = success;
 		this.message = message;

src/main/java/com/billpaymentservice/bbps/dto/auth/LoginRequest.java

@@ -1,19 +1,24 @@
 package com.billpaymentservice.bbps.dto.auth;
 
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
 public class LoginRequest {
+
+	@NotNull(message = "Mobile number cannot be null.")
+	@Size(min = 10, max = 10, message = "Mobile number must be exactly 10 digits.")
+	@Pattern(regexp = "^[0-9]{10}$", message = "Mobile number must contain only digits.")
 	private String mobile;
 
-    public LoginRequest() {}
 
-    public LoginRequest(String mobile) {
-        this.mobile = mobile;
-    }
-
-    public String getMobile() {
-        return mobile;
-    }
-
-    public void setMobile(String mobile) {
-        this.mobile = mobile;
-    }
 }

src/main/java/com/billpaymentservice/bbps/dto/auth/OtpSendResponse.java

@@ -1,29 +1,17 @@
 package com.billpaymentservice.bbps.dto.auth;
 
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
 public class OtpSendResponse {
     private boolean success;
     private String message;
 
-    public OtpSendResponse() {}
    
-    public OtpSendResponse(boolean success, String message) {
-        this.success = success;
-        this.message = message;
-    }
-
-    public boolean isSuccess() {
-        return success;
-    }
-
-    public void setSuccess(boolean success) {
-        this.success = success;
-    }
-
-    public String getMessage() {
-        return message;
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
 }

src/main/java/com/billpaymentservice/bbps/dto/auth/RegisterRequest.java

@@ -2,15 +2,35 @@ package com.billpaymentservice.bbps.dto.auth;
 
 import com.billpaymentservice.bbps.dto.request.BaseClass;
 
+import jakarta.validation.constraints.Email;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 import lombok.Setter;
 
 @Getter
 @Setter
+@NoArgsConstructor
+@AllArgsConstructor
 public class RegisterRequest extends BaseClass {
+
+	@NotNull(message = "Mobile number cannot be null.")
+	@Size(min = 10, max = 10, message = "Mobile number must be exactly 10 digits.")
+	@Pattern(regexp = "^[0-9]{10}$", message = "Mobile number must contain only 10 digits.")
 	private String mobile;
+
+	@NotNull(message = "Name cannot be null.")
+	@Size(min = 2, max = 100, message = "Name must be between 2 and 100 characters.")
 	private String name;
+
+	@NotNull(message = "Email cannot be null.")
+	@Email(message = "Email must be a valid email address.")
 	private String email;
+
+	@NotNull(message = "Registration token cannot be null.")
 	private String registrationToken;
 
 }

src/main/java/com/billpaymentservice/bbps/dto/auth/UserDto.java

@@ -10,7 +10,7 @@ import lombok.Setter;
 @NoArgsConstructor
 @AllArgsConstructor
 public class UserDto {
-	private Long id;
+	private String userId;
 	private String mobile;
 	private String name;
 	private String email;

src/main/java/com/billpaymentservice/bbps/dto/auth/VerifyOtpRequest.java

@@ -1,30 +1,28 @@
 package com.billpaymentservice.bbps.dto.auth;
 
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Pattern;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@NoArgsConstructor
+@AllArgsConstructor
 public class VerifyOtpRequest {
+
+	@NotNull(message = "Mobile number cannot be null.")
+	@Size(min = 10, max = 10, message = "Mobile number must be exactly 10 digits.")
+	@Pattern(regexp = "^[0-9]{10}$", message = "Mobile number must contain only digits.")
 	private String mobile;
+
+	@NotNull(message = "OTP cannot be null.")
+	@Size(min = 6, max = 6, message = "OTP must be exactly 6 digits.")
+	@Pattern(regexp = "^[0-9]{6}$", message = "OTP must contain only 6 digits.")
 	private String otp;
 
-    public VerifyOtpRequest() {
-    }
 
-    public VerifyOtpRequest(String mobile, String otp) {
-        this.mobile = mobile;
-        this.otp = otp;
-    }
-
-    public String getMobile() {
-        return mobile;
-    }
-
-    public void setMobile(String mobile) {
-        this.mobile = mobile;
-    }
-
-    public String getOtp() {
-        return otp;
-    }
-
-    public void setOtp(String otp) {
-        this.otp = otp;
-    }
 }

src/main/java/com/billpaymentservice/bbps/dto/request/AllMasterOptionsRequest.java

@@ -1,10 +1,21 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AllMasterOptionsRequest extends BaseClass {
 
+	private Integer pageNo = 0;
+
+	@NotNull(message = "pageEnd is required")
+	@Min(value = 1, message = "pageEnd must be greater than 0")
+	private Integer pageSize;
+
 }

src/main/java/com/billpaymentservice/bbps/dto/request/AmountBreakRequest.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class AmountBreakRequest {
     private String name;
     private double value;

src/main/java/com/billpaymentservice/bbps/dto/request/BillFetchByBillIdRequest.java

@@ -1,6 +1,8 @@
 package com.billpaymentservice.bbps.dto.request;
 
-import jakarta.validation.constraints.NotNull;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -10,9 +12,10 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillFetchByBillIdRequest extends BaseClass {
 
-	@NotNull
+	@NotBlank(message = "bill id not be null")
 	private String billId;
 
 }

src/main/java/com/billpaymentservice/bbps/dto/request/BillFetchByClientIdRequest.java

@@ -1,10 +1,14 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class BillFetchByClientIdRequest extends BaseClass{
 	
 	private String clientReqId;

src/main/java/com/billpaymentservice/bbps/dto/request/BillPaymentRequest.java

@@ -1,32 +1,51 @@
 package com.billpaymentservice.bbps.dto.request;
+
 import java.util.List;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class BillPaymentRequest extends BaseClass {
 
- private String tenantId;
 	private String refId;
+
 	private String billId;
- private boolean amountOptions;
+
+	// Change the field to Boolean (wrapper) type to allow @NotNull validation
+	private boolean amountOptions; // Changed to Boolean (wrapper type)
+
 	private String paymentMode;
+
 	private String paymentInformation;
+
 	private String billerId;
+
 	private String billerName;
+
 	private String billerCategory;
+
 	private String macAdress;
+
 	private String customerMobNo;
- private Integer txnAmount;
+
+	private Integer txnAmount; // Changed to @NotNull as it's an Integer (non-nullable)
+
 	private String paymentRefId;
+
 	private String clientReqId;
+
 	private String paymentChannel;
 
 	private List<DeviceBlockTagRequest> deviceBlockTags;
- private List<CustomerParamTagRequest> customerParamsRequest;
+	private List<CustomerParamTagRequest> customerParams;
 	private List<RemitterIdentityRequest> remitterIdentity;
 	private List<AmountBreakRequest> amountBreakSet;
 }
-

src/main/java/com/billpaymentservice/bbps/dto/request/BillValidateByClientIdRequest.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class BillValidateByClientIdRequest extends BaseClass{
 	
 	private String clientReqId;

src/main/java/com/billpaymentservice/bbps/dto/request/BillerDetailRequest.java

@@ -1,5 +1,8 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
@@ -7,10 +10,11 @@ import lombok.ToString;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 @ToString(callSuper = true)
 public class BillerDetailRequest extends BaseClass{
      
-	@NotNull
+	@NotBlank(message = "biller id not be null")
 	private String billerId;
 	
 }

src/main/java/com/billpaymentservice/bbps/dto/request/CallbackRequest.java

@@ -1,8 +1,15 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CallbackRequest {
+	@NotBlank(message = "mid is mandatory")
     private String mid;
+	@NotBlank(message = "data is mandatory")
     private String data;
+	@NotBlank(message = "signature is mandatory")
     private String signature;
 
     public String getMid() {

src/main/java/com/billpaymentservice/bbps/dto/request/CloseComplaintRequest.java

@@ -1,11 +1,14 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
 
 @Setter
 @Getter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CloseComplaintRequest extends BaseClass {
 
 	@NotBlank(message = "complaintDescr not be null")

src/main/java/com/billpaymentservice/bbps/dto/request/ComplainStatusRequest.java

@@ -1,7 +1,8 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.NotBlank;
-import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -11,6 +12,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class ComplainStatusRequest extends BaseClass {
 
 	@NotBlank(message = "ticketId Id cannot be null or blank")

src/main/java/com/billpaymentservice/bbps/dto/request/ComplaintRequestDTO.java

@@ -1,15 +1,27 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class ComplaintRequestDTO extends BaseClass {
 
-	private String ticketDescription; // Complaint description that the user enters
+	@NotBlank(message = "Ticket description cannot be null.")
-	private String ticketDisposition; // Complaint disposition
+	private String ticketDescription;
-	private String ticketDispositionCode; // Type of complaint
+
-	private String txnId; // Transaction ID (optional)
+	@NotBlank(message = "Ticket disposition cannot be null.")
+	private String ticketDisposition;
+
+	@NotBlank(message = "Ticket disposition code cannot be null.")
+	private String ticketDispositionCode;
+
+	@NotBlank(message = "Transaction ID cannot be null.")
+	private String txnId;
 
 }

src/main/java/com/billpaymentservice/bbps/dto/request/ContactMasterRequest.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -9,6 +11,8 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
+
 public class ContactMasterRequest extends BaseClass {
 	private String category;
 }

src/main/java/com/billpaymentservice/bbps/dto/request/CustomParamRequest.java

@@ -1,6 +1,8 @@
 package com.billpaymentservice.bbps.dto.request;
 
-import jakarta.validation.constraints.NotNull;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -12,8 +14,9 @@ import lombok.ToString;
 @NoArgsConstructor
 @AllArgsConstructor
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CustomParamRequest extends BaseClass {
 
-	@NotNull
+	@NotBlank(message = "biller id not be null")
 	private String billerId;
 }

src/main/java/com/billpaymentservice/bbps/dto/request/CustomerParamTagRequest.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class CustomerParamTagRequest {
     private String name;
     private String value;

src/main/java/com/billpaymentservice/bbps/dto/request/DeviceBlockTagRequest.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class DeviceBlockTagRequest {
     private String name;
     private String value;

src/main/java/com/billpaymentservice/bbps/dto/request/DispositionRequest.java

@@ -1,5 +1,8 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class DispositionRequest extends BaseClass {
    
 }

src/main/java/com/billpaymentservice/bbps/dto/request/FetchBillRequest.java

@@ -5,32 +5,46 @@ import java.util.List;
 import com.billpaymentservice.bbps.dto.CustomerParamsRequest;
 import com.billpaymentservice.bbps.dto.RemitterIdentity;
 import com.billpaymentservice.bbps.dto.Tag;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
+import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 import lombok.ToString;
+
 @Getter
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
 @ToString
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class FetchBillRequest extends BaseClass {
 
-//    private String tenantId;                 // M
+	@NotBlank(message = "biller id not be null")
-    private String billerId;                 // M
+	private String billerId;
-    private String billerName;               //M
+
-   // private String digiledgeKey;           // M
+	@NotBlank(message = "biller name not be null")
-   // private String  agentId;                 // M
+	private String billerName;
-    private String billerCategory;           // M
+
-    private String clientReqId;              // C
+	@NotBlank(message = "biller category not be null")
-    private String macAdress;                // C
+	private String billerCategory;
-    private String customerMobNo;            // M
+
-    private String remitterName;             // O
+	private String clientReqId;
-    private String paymentChannel;           // M
+	private String macAdress;
-    private List<Tag> deviceBlockTags;       // M
+
-    private CustomerParamsRequest customerParamsRequest; // M
+	@NotBlank(message = "customer mob no not be null")
-    private List<RemitterIdentity> remitterIdentity;     // O
+	private String customerMobNo;
+
+	private String remitterName;
+
+	@NotBlank(message = "payment channel not be null")
+	private String paymentChannel;
+
+	private List<Tag> deviceBlockTags;
+
+	private CustomerParamsRequest customerParamsRequest;
+	private List<RemitterIdentity> remitterIdentity;
 
 }

src/main/java/com/billpaymentservice/bbps/dto/request/FetchBillValidatestRequest.java

@@ -1,7 +1,9 @@
 package com.billpaymentservice.bbps.dto.request;
 
 import com.billpaymentservice.bbps.dto.CustomerParamsRequest;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
+import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -12,20 +14,21 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class FetchBillValidatestRequest extends BaseClass {
 
-	@NotNull
+	@NotBlank(message = "biller id not be null")
-	private String billerId; // Alphanumeric, Unique ID assigned by NPCI
+	private String billerId;
-	@NotNull
+	@NotBlank(message = "biller name not be null")
-	private String billerName; // String, Name of the biller
+	private String billerName;
-	@NotNull
+	@NotBlank(message = "biller category not be null")
-	private String billerCategory; // String, CategoryResponseList of the biller
+	private String billerCategory;
-	@NotNull
+	@NotBlank(message = "biller mob no not be null")
-	private String customerMobNo; // String, Mobile of the Customer
+	private String customerMobNo;
 	private String clientReqId;
 
 	// Optional Fields
-	private String macAddress; // Alphanumeric MAC Address of the Agent Server
+	private String macAddress;
-	//private String clientReqId; // String, Unique id provided by the client
+	// private String clientReqId;
 	private CustomerParamsRequest customerParamsRequest; // Customer parameters for identifying the bill
 }

src/main/java/com/billpaymentservice/bbps/dto/request/GetTicketLatestStausRequest.java

@@ -1,6 +1,7 @@
 package com.billpaymentservice.bbps.dto.request;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 
 import jakarta.validation.constraints.NotBlank;
 import lombok.AllArgsConstructor;
@@ -12,6 +13,7 @@ import lombok.Setter;
 @Setter
 @AllArgsConstructor
 @NoArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class GetTicketLatestStausRequest extends BaseClass {
 
 	@NotBlank(message = "txnNpciId Id cannot be null or blank")

src/main/java/com/billpaymentservice/bbps/dto/request/LoginRequest.java

@@ -1,5 +1,7 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.Pattern;
 import lombok.Data;
@@ -9,6 +11,7 @@ import lombok.Setter;
 @Data
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class LoginRequest {
 
 	@NotBlank(message = "Mobile number is required")

src/main/java/com/billpaymentservice/bbps/dto/request/MasterCategoryRequest.java

@@ -1,6 +1,9 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.Min;
+import jakarta.validation.constraints.NotBlank;
 import jakarta.validation.constraints.NotNull;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -11,11 +14,12 @@ import lombok.Setter;
 @Setter
 @NoArgsConstructor
 @AllArgsConstructor
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class MasterCategoryRequest extends BaseClass {
 
 	private String billerName;
 
-	@NotNull
+	@NotBlank(message = "category name not be null")
 	private String category;
 
 	private Integer pageNo = 0;

src/main/java/com/billpaymentservice/bbps/dto/request/MasterRequest.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 
 public class MasterRequest extends BaseClass {
 

src/main/java/com/billpaymentservice/bbps/dto/request/MerchantRequestModel.java

@@ -1,10 +1,13 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class MerchantRequestModel  {
 
 	private String mid;

src/main/java/com/billpaymentservice/bbps/dto/request/PaymentHistoryByTxnRequest.java

@@ -1,11 +1,14 @@
 package com.billpaymentservice.bbps.dto.request;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
 import lombok.Setter;
 
 @Getter
 @Setter
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class PaymentHistoryByTxnRequest extends BaseClass {
 
 	@NotBlank(message = "txn Id not be null")