diff --git a/on-premise/core-payment-service/build.gradle b/on-premise/core-payment-service/build.gradle
index 08b3c0d..3d020a4 100644
--- a/on-premise/core-payment-service/build.gradle
+++ b/on-premise/core-payment-service/build.gradle
@@ -26,7 +26,6 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
-	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework.boot:spring-boot-starter-actuator'
 	implementation 'io.micrometer:micrometer-registry-prometheus'
@@ -40,6 +39,13 @@ dependencies {
 
     // kafka
     implementation 'org.springframework.kafka:spring-kafka'
+
+    // validation
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
+
+    // zipkin
+    implementation 'io.micrometer:micrometer-tracing-bridge-brave'
+    implementation 'io.zipkin.reporter2:zipkin-reporter-brave'
 }
 
 tasks.named('test') {
diff --git a/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashRequestDTO.java b/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashRequestDTO.java
index 5d56249..30a265d 100644
--- a/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashRequestDTO.java
+++ b/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashRequestDTO.java
@@ -10,6 +10,7 @@
 @AllArgsConstructor
 @ToString
 public class CashRequestDTO {
+    private String orderId;
     private String loginId; // 사용자 식별자
     private Long amount;    // 출금액
 }
\ No newline at end of file
diff --git a/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashResponseDTO.java b/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashResponseDTO.java
index a0645c3..deaa8e5 100644
--- a/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashResponseDTO.java
+++ b/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/dto/CashResponseDTO.java
@@ -10,6 +10,7 @@
 @AllArgsConstructor
 @ToString
 public class CashResponseDTO {
+    private String orderId;  // 주문 식별자
     private String loginId;  // 사용자 식별자
     private String status;   // "SUCCESS" or "FAIL"
     private String message;
diff --git a/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/service/KafkaConsumerService.java b/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/service/KafkaConsumerService.java
index 8de929a..7fe4b35 100644
--- a/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/service/KafkaConsumerService.java
+++ b/on-premise/core-payment-service/src/main/java/com/fisa/core_payment_service/service/KafkaConsumerService.java
@@ -71,6 +71,7 @@ public void consumeWithdraw(String message) {
 
             // (4) 성공 이벤트 발행 -> PointService의 토픽 이름인 "core-result"로 변경
             CashResponseDTO successResponse = new CashResponseDTO(
+                    requestDto.getOrderId(),
                     requestDto.getLoginId(),
                     "SUCCESS",
                     "정상 출금 완료"
@@ -88,6 +89,7 @@ public void consumeWithdraw(String message) {
             if (requestDto != null) {
                 // (5) 실패 이벤트 발행
                 CashResponseDTO failResponse = new CashResponseDTO(
+                        requestDto.getOrderId(),
                         requestDto.getLoginId(),
                         "FAIL",
                         e.getMessage()