diff --git a/src/main/java/com/eactive/eai/rms/ext/djb/inflow/InflowTokenService.java b/src/main/java/com/eactive/eai/rms/ext/djb/inflow/InflowTokenService.java
index 436de74..1f945cd 100644
--- a/src/main/java/com/eactive/eai/rms/ext/djb/inflow/InflowTokenService.java
+++ b/src/main/java/com/eactive/eai/rms/ext/djb/inflow/InflowTokenService.java
@@ -31,16 +31,16 @@ public class InflowTokenService {
     private UmsManager ums; 
 
 	public void checkRecentFails(long rangeMinute) {
-		List<InflowTokenInsufficient> rows = inflowTokenRepository.countTokenInsufficient(rangeMinute);
-
-		for (InflowTokenInsufficient info : rows) {
-			log.debug("유량제어 토큰 획득 실패: {}-{} 최근 {}분 동안 {}건", info.getEaisvcname(), info.getEaisvcdesc(), rangeMinute, info.getCnt());
-			String message = "유량제어 토큰 획득 실패가 발생하였습니다 \n" + info.getEaisvcname();
-			
-			if (monitoringContext.getBooleanProperty(MonitoringContext.DJB_UMS_MESSENGER_APIMONITOR_ENABLED, true)) {
+		if (monitoringContext.getBooleanProperty(MonitoringContext.DJB_UMS_MESSENGER_APIMONITOR_ENABLED, true)) {
+			List<InflowTokenInsufficient> rows = inflowTokenRepository.countTokenInsufficient(rangeMinute);
+	
+			for (InflowTokenInsufficient info : rows) {
+				log.debug("유량제어 토큰 획득 실패: {}-{} 최근 {}분 동안 {}건", info.getEaisvcname(), info.getEaisvcdesc(), rangeMinute, info.getCnt());
+				String message = "유량제어 토큰 획득 실패가 발생하였습니다 \n" + info.getEaisvcname();
+				
 				HashMap<String,Object> params = new HashMap<String,Object>();
 				params.put("message", message);
-				ums.send("api-monitor", MessageCode.INFLOW_TOKEN_FAILED, params);
+				ums.sendMessenger("api-monitor", MessageCode.INFLOW_TOKEN_FAILED, params);
 			}
 		}
 	}
diff --git a/src/main/java/com/eactive/eai/rms/ext/djb/job/InflowTokenMonitorJob.java b/src/main/java/com/eactive/eai/rms/ext/djb/job/InflowTokenMonitorJob.java
index 3327ab1..271d6dc 100644
--- a/src/main/java/com/eactive/eai/rms/ext/djb/job/InflowTokenMonitorJob.java
+++ b/src/main/java/com/eactive/eai/rms/ext/djb/job/InflowTokenMonitorJob.java
@@ -1,9 +1,7 @@
 package com.eactive.eai.rms.ext.djb.job;
 
 import java.util.Arrays;
-import java.util.Date;
 import java.util.Set;
-import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
@@ -13,7 +11,6 @@ import org.quartz.JobDataMap;
 import org.quartz.JobExecutionContext;
 import org.quartz.JobExecutionException;
 import org.quartz.SchedulerException;
-import org.quartz.Trigger;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.ApplicationContext;
@@ -37,7 +34,7 @@ import com.eactive.eai.rms.onl.common.util.DateUtil;
  * <p>Job 파라미터 (JobDataMap):</p>
  * <ul>
  *   <li>
- *   	NONE
+ *   	<b>api.inflow.fail.range_minute</b>: 유량제어 토큰 획득 실패 조회 구간 (단위: 분, 기본값: 5)
  *   </li>
  * </ul>
  *
@@ -48,6 +45,12 @@ public class InflowTokenMonitorJob implements Job {
 
     private static final Logger log = LoggerFactory.getLogger(InflowTokenMonitorJob.class);
 
+    /** Job 파라미터 키: 유량제어 실패 조회 구간(분) */
+    public static final String KEY_API_INFLOW_FAIL_RANGE_MINUTE = "api.inflow.fail.range_minute";
+
+    /** 유량제어 실패 조회 구간 기본값(분) */
+    public static final String DEFAULT_RANGE_MINUTE = "5";
+
     private transient MonitoringContext monitoringContext;
 
     @Override
@@ -69,18 +72,19 @@ public class InflowTokenMonitorJob implements Job {
 
         log.info("*** START InflowTokenFailMonitorJob run({})", CommonUtil.getToday("yyyy-MM-dd HH:mm"));
 
-        long execMinute = 1;	//default 배치 실행주기(분)
-        
-        Trigger trigger = context.getTrigger();
-        Date prevFireTime = trigger.getPreviousFireTime();
-        Date nextFireTime = trigger.getNextFireTime();      
-        
-        //1회 이상 배치가 실행된 경우, 배치 간격을 구하여 유량제어조회 구간 파라미터로 전달한다
-        if (prevFireTime != null && nextFireTime != null) {
-            long diffMillis = nextFireTime.getTime() - prevFireTime.getTime();
-            execMinute = TimeUnit.MILLISECONDS.toMinutes(diffMillis);
-            log.info("실행 주기: {}분", execMinute);
-        } 
+        // Job 프로퍼티에서 유량제어 실패 조회 구간(분)을 읽는다. 미지정 시 기본값 사용
+        long execMinute;
+        String rangeMinute = jobDataMap.getString(KEY_API_INFLOW_FAIL_RANGE_MINUTE);
+        if (StringUtils.isEmpty(rangeMinute)) {
+            rangeMinute = DEFAULT_RANGE_MINUTE;
+        }
+        try {
+            execMinute = Long.parseLong(rangeMinute.trim());
+        } catch (NumberFormatException e) {
+            log.warn("잘못된 {} 값: {} - 기본값 {} 사용", KEY_API_INFLOW_FAIL_RANGE_MINUTE, rangeMinute, DEFAULT_RANGE_MINUTE);
+            execMinute = Long.parseLong(DEFAULT_RANGE_MINUTE);
+        }
+        log.info("유량제어 실패 조회 구간: {}분", execMinute);
         
         ApplicationContext appContext;
         try {