diff --git a/src/main/java/com/eactive/eai/inbound/processor/RequestProcessor.java b/src/main/java/com/eactive/eai/inbound/processor/RequestProcessor.java
index cc696e6..9e63690 100644
--- a/src/main/java/com/eactive/eai/inbound/processor/RequestProcessor.java
+++ b/src/main/java/com/eactive/eai/inbound/processor/RequestProcessor.java
@@ -956,10 +956,7 @@ public class RequestProcessor extends RequestProcessorSupport {
 			// 거래통제 대상 거래일 경우 '1'로 설정한다.
 			eaiMsg.setSvcTmEn(EAIMessageKeys.YES_FLAG);
 			vo.setRspErrorCode(EAIMessageKeys.EAI_BLOCKED_CODE);
-			vo.setRspErrorMsg(ExceptionUtil.make(vo.getRspErrorCode(), new String[]{vo.getEaiSvcCd()}));
-
-//			eaiMsg.setRspErrCd(vo.getRspErrorCode());
-//			eaiMsg.setRspErrMsg(vo.getRspErrorMsg());
+			vo.setRspErrorMsg(buildRestrictErrorMsg(eaiMsg, prop));
 			eaiMsg.setRspErr(vo.getRspErrorCode(),vo.getRspErrorMsg());
 
 			// 거래통제 로그에 로그생성
@@ -1033,9 +1030,8 @@ public class RequestProcessor extends RequestProcessorSupport {
 			Bucket bucket = InflowControlUtil.getBucket();
 
 			String blockedType = "";
-			// Client 유량제어 체크 — clientId가 있는 경우에만
-			String clientBlockedType = checkClientInflow(bucket, clientId);
-			if (clientBlockedType != null) {
+			String customBlockedType = checkCustomInflow(bucket, eaiMsg, prop);
+			if (customBlockedType != null) {
 				blockedType += "C";
 			}
 			// Adapter 유량제어 체크
@@ -1066,7 +1062,7 @@ public class RequestProcessor extends RequestProcessorSupport {
 				InflowTargetVO inflowTargetVO = null;
 				InflowGroupVO inflowGroupVO = null;
 				if (blockedType.startsWith("C")) {
-					inflowTargetVO = resolveClientInflowThreshold(bucket, clientId);
+					inflowTargetVO = resolveCustomInflowThreshold(bucket, eaiMsg, prop);
 				} else if (blockedType.startsWith("A")) {
 					inflowTargetVO = bucket.getAdapterInflowThreashold(vo.getAdapterGroupName());
 				} else if (blockedType.contains("G")) {
@@ -1089,7 +1085,7 @@ public class RequestProcessor extends RequestProcessorSupport {
 					}
 				} else if (inflowTargetVO != null) {
 					String targetBlockedType;
-					if (blockedType.startsWith("C"))      targetBlockedType = clientBlockedType;
+					if (blockedType.startsWith("C"))      targetBlockedType = customBlockedType;
 					else if (blockedType.startsWith("A")) targetBlockedType = adapterBlockedType;
 					else                                  targetBlockedType = interfaceBlockedType;
 					inflowErrorMsg = buildInflowTargetErrorMsg(inflowTargetVO, targetBlockedType);
@@ -1257,7 +1253,8 @@ public class RequestProcessor extends RequestProcessorSupport {
 			if(svrLogLevel >= 1 && esbLogger.isInfo()) {
 				esbLogger.info(guidLogPrefix + " : FlowControl  ROUTING_TYPE [" + prop.getProperty(RouteKeys.ROUTING_TYPE) + "]");
 			}
-		
+
+			beforeRoute(eaiMsg, prop);
 			retEaiMsg =  FlowRouter.process(eaiMsg, prop);
 				
 			// 응답메시지에 Error Code기 설정되어 있을 경우
@@ -1285,8 +1282,9 @@ public class RequestProcessor extends RequestProcessorSupport {
 				throw new RequestProcessorException(vo.getRspErrorMsg());
 			}
 		}
-		
-		// TODO : StandardMessage -> SubMessage 
+		afterRoute(eaiMsg, retEaiMsg, prop);
+
+		// TODO : StandardMessage -> SubMessage
 		if(Keys.IF_SUBSTANDARD.equals(vo.getStdMsgTypeCode())) {
 	        StandardMessage stdMessage = retEaiMsg.getStandardMessage();	        
 	        try {
@@ -1398,12 +1396,11 @@ public class RequestProcessor extends RequestProcessorSupport {
 		}
 	}
 
-	// 클라이언트 유량제어 체크 훅 — 기본 구현은 체크 없음, DJErpRequestProcessor가 오버라이드
-	protected String checkClientInflow(Bucket bucket, String clientId) {
+	protected String checkCustomInflow(Bucket bucket, EAIMessage eaiMsg, Properties prop) {
 		return null;
 	}
 
-	protected InflowTargetVO resolveClientInflowThreshold(Bucket bucket, String clientId) {
+	protected InflowTargetVO resolveCustomInflowThreshold(Bucket bucket, EAIMessage eaiMsg, Properties prop) {
 		return null;
 	}
 
@@ -1420,6 +1417,14 @@ public class RequestProcessor extends RequestProcessorSupport {
 		return String.format("API 호출 한도 초과 [%s]", inflowTargetVO.getName());
 	}
 
+	protected String buildRestrictErrorMsg(EAIMessage eaiMsg, Properties prop) {
+		return ExceptionUtil.make(EAIMessageKeys.EAI_BLOCKED_CODE, new String[]{eaiMsg.getEAISvcCd()});
+	}
+
+	protected void beforeRoute(EAIMessage eaiMsg, Properties prop) {}
+
+	protected void afterRoute(EAIMessage reqMsg, EAIMessage retMsg, Properties prop) {}
+
 	protected String getInboundErrorResponse(Properties prop, StandardMessage standardMessage, InterfaceMapper mapper
 			, String errCode, String errMsg, String charset)  {
 		String errorResponse = null;