diff --git a/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java b/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java
index 02d42f3..11113ce 100644
--- a/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java
+++ b/src/main/java/com/eactive/eai/common/authoutbound/AccessTokenManagerByDB.java
@@ -258,7 +258,7 @@ public class AccessTokenManagerByDB implements Lifecycle {
 					if (cached == null) {
 						logger.debug("Token not exists for adapter group: {}", adapterGroupName);
 						sessionManager.getOutboundAccessToken(adapterGroupName,
-								token -> issueToken(credential));
+								token -> issueToken(credential, TokenIssueHistory.TRIGGER_SCHEDULE));
 
 					} else if (cached.getExpiration() == null) {
 						// 만료시각이 없는 토큰은 갱신 시점을 판단할 수 없다.
@@ -272,7 +272,7 @@ public class AccessTokenManagerByDB implements Lifecycle {
 						logger.debug("Token expires before next schedule : {}, expiration date: {}",
 								adapterGroupName, cached.getExpiration());
 						sessionManager.reissueOutboundAccessToken(adapterGroupName, cached.getAccessToken(),
-								intervalTime, token -> issueToken(credential));
+								intervalTime, token -> issueToken(credential, TokenIssueHistory.TRIGGER_SCHEDULE));
 
 					} else {
 						logger.debug(
@@ -300,7 +300,10 @@ public class AccessTokenManagerByDB implements Lifecycle {
 		}
 	}
 
-	private AccessTokenVO issueToken(OutboundOAuthCredentialVo outboundOAuthCredentialVo) {
+	/**
+	 * @param trigger 발급 이력에 남길 호출 경로 (TokenIssueHistory.TRIGGER_*)
+	 */
+	private AccessTokenVO issueToken(OutboundOAuthCredentialVo outboundOAuthCredentialVo, String trigger) {
 	    String adapterGroupName = outboundOAuthCredentialVo.getAdapterGroupName();
 	    AccessTokenVO accessToken = null;
 	    try {
@@ -335,12 +338,12 @@ public class AccessTokenManagerByDB implements Lifecycle {
 						accessToken = (AccessTokenVO) service.execute(adapterGroupName, properties,
 								outboundOAuthCredentialVo);
 					} catch (Exception e) {
-						recordIssueHistory(adapterGroupName, TokenIssueHistory.TRIGGER_SCHEDULE, type, startTime, null,
+						recordIssueHistory(adapterGroupName, trigger, type, startTime, null,
 								toFailReason(e));
 						throw e;
 					}
 
-					recordIssueHistory(adapterGroupName, TokenIssueHistory.TRIGGER_SCHEDULE, type, startTime,
+					recordIssueHistory(adapterGroupName, trigger, type, startTime,
 							accessToken, null);
 
 					// 발급에 실패했는데도 빈 토큰을 반환하는 구현체가 있다. 그대로 캐시되면
@@ -354,12 +357,12 @@ public class AccessTokenManagerByDB implements Lifecycle {
 					return accessToken;
 
 				} else {
-					recordIssueHistory(adapterGroupName, TokenIssueHistory.TRIGGER_SCHEDULE, type,
+					recordIssueHistory(adapterGroupName, trigger, type,
 							System.currentTimeMillis(), null, "토큰 발급 구현체를 찾을 수 없음");
 					logger.warn("Token service not found for type: {} and adapter group: {}", type, adapterGroupName);
 				}
 			} else {
-				recordIssueHistory(adapterGroupName, TokenIssueHistory.TRIGGER_SCHEDULE, null,
+				recordIssueHistory(adapterGroupName, trigger, null,
 						System.currentTimeMillis(), null, "어댑터 설정을 찾을 수 없음");
 				logger.warn("No valid adapter configuration found for adapter group: {}", adapterGroupName);
 			}
@@ -429,7 +432,7 @@ public class AccessTokenManagerByDB implements Lifecycle {
 	 * 3. 주의사항 : accessToken 은 앞 UNMASKED_TOKEN_LENGTH 자만 남겨 보관한다.
 	 *
 	 * @param adapterGroupName 어댑터그룹명
-	 * @param trigger          SCHEDULE / RETRY
+	 * @param trigger          SCHEDULE / RETRY / TRANSACTION
 	 * @param serviceClass     사용한 발급 구현체 클래스명
 	 * @param startTime        발급 시도 시각
 	 * @param accessToken      발급된 토큰. 실패 시 null.
@@ -553,7 +556,8 @@ public class AccessTokenManagerByDB implements Lifecycle {
 			    OutboundOAuthCredentialVo outboundOAuthCredentialVo = outboundOAuthCredentialVos
 				    .get(adapterGroupName);
 
-			    return issueToken(outboundOAuthCredentialVo);
+			    // 스케줄러가 아니라 거래 스레드가 토큰이 없거나 만료된 것을 보고 발급하는 경로다.
+			    return issueToken(outboundOAuthCredentialVo, TokenIssueHistory.TRIGGER_TRANSACTION);
 			}
 		    });
 
diff --git a/src/main/java/com/eactive/eai/common/authoutbound/TokenIssueHistory.java b/src/main/java/com/eactive/eai/common/authoutbound/TokenIssueHistory.java
index 4101f93..3026786 100644
--- a/src/main/java/com/eactive/eai/common/authoutbound/TokenIssueHistory.java
+++ b/src/main/java/com/eactive/eai/common/authoutbound/TokenIssueHistory.java
@@ -17,15 +17,18 @@ public class TokenIssueHistory {
 	/** 스케줄러의 주기 발급 */
 	public static final String TRIGGER_SCHEDULE = "SCHEDULE";
 
-	/** 거래 중 재발급 */
+	/** 거래 중 재발급 (기관이 토큰을 거부한 경우) */
 	public static final String TRIGGER_RETRY = "RETRY";
 
+	/** 거래 중 발급 (캐시에 토큰이 없거나 이미 만료된 경우) */
+	public static final String TRIGGER_TRANSACTION = "TRANSACTION";
+
 	private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
 
 	/** 발급을 시도한 시각 */
 	private final String issuedAt;
 
-	/** SCHEDULE | RETRY */
+	/** SCHEDULE | RETRY | TRANSACTION */
 	private final String trigger;
 
 	/** 사용한 발급 구현체 클래스명 */