diff --git a/src/main/java/com/eactive/eai/rms/onl/manage/authserver/client/ClientManService.java b/src/main/java/com/eactive/eai/rms/onl/manage/authserver/client/ClientManService.java
index f24cd88..8e2f2bc 100644
--- a/src/main/java/com/eactive/eai/rms/onl/manage/authserver/client/ClientManService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/manage/authserver/client/ClientManService.java
@@ -2,7 +2,7 @@ package com.eactive.eai.rms.onl.manage.authserver.client;
 
 import com.eactive.apim.portal.app.entity.Credential;
 import com.eactive.apim.portal.portalorg.entity.PortalOrg;
-import com.eactive.eai.data.entity.onl.eaimsg.EAIMessageEntity;
+import com.eactive.eai.data.entity.onl.message.EAIMessageEntity;
 import com.eactive.eai.rms.common.datasource.DataSourceContextHolder;
 import com.eactive.eai.rms.common.datasource.DataSourceType;
 import com.eactive.eai.rms.common.datasource.DataSourceTypeManager;
@@ -130,12 +130,24 @@ public class ClientManService extends OnlBaseService {
 
 			// 3. API 유효성 검증 (APIGW 스키마)
 			List<String> invalidApis = new ArrayList<>();
-			if (clientEntity.getApiList() != null) {
-				for (EAIMessageEntity apiEntity : clientEntity.getApiList()) {
-					String eaiSvcName = apiEntity.getEaiSvcName();
-					// APIGW에 실제 API 존재하는지 확인
-					if (!eaiMessageService.existsById(eaiSvcName)) {
-						invalidApis.add(eaiSvcName);
+			List<String> requestedApiIds = new ArrayList<>();
+
+			if (clientEntity.getApiList() != null && !clientEntity.getApiList().isEmpty()) {
+				// ClientEntity의 apiList에서 API ID 목록 추출
+				requestedApiIds = clientEntity.getApiList().stream()
+						.map(EAIMessageEntity::getEaisvcname)
+						.collect(Collectors.toList());
+
+				// APIGW에 실제 존재하는 API 조회
+				List<EAIMessageEntity> existingApis = eaiMessageService.findByEaisvcnameList(requestedApiIds);
+				List<String> existingApiIds = existingApis.stream()
+						.map(EAIMessageEntity::getEaisvcname)
+						.collect(Collectors.toList());
+
+				// 요청된 API 중 존재하지 않는 API 찾기
+				for (String apiId : requestedApiIds) {
+					if (!existingApiIds.contains(apiId)) {
+						invalidApis.add(apiId);
 					}
 				}
 			}
@@ -242,8 +254,7 @@ public class ClientManService extends OnlBaseService {
 
 		// 앱 상태
 		credentialUI.setAppstatus(clientEntity.getAppstatus());
-		credentialUI.setDailytokenlimit(Integer.parseInt(
-				StringUtils.defaultIfBlank(clientEntity.getDailytokenlimit(), "0")));
+		credentialUI.setDailytokenlimit(clientEntity.getDailytokenlimit());
 
 		// 수정 정보
 		credentialUI.setModifiedby(clientEntity.getModifiedby());
@@ -254,7 +265,7 @@ public class ClientManService extends OnlBaseService {
 		if (clientEntity.getApiList() != null) {
 			for (EAIMessageEntity apiEntity : clientEntity.getApiList()) {
 				ApiSpecInfoUI apiUI = new ApiSpecInfoUI();
-				apiUI.setApiId(apiEntity.getEaiSvcName());
+				apiUI.setApiId(apiEntity.getEaisvcname());
 				apiList.add(apiUI);
 			}
 		}