diff --git a/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanApi.java b/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanApi.java
index 74de7fbb7..19b542887 100644
--- a/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanApi.java
+++ b/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanApi.java
@@ -121,6 +121,24 @@ ResponseEntity<CallvanPostSearchResponse> getCallvanPosts(
         @UserId Integer userId
     );
 
+    @ApiResponseCodes({
+        OK,
+        NOT_FOUND_ARTICLE
+    })
+    @Operation(summary = "콜밴 게시글 요약 정보 조회", description = """
+        ### 콜밴 게시글 요약 정보 조회 API
+        목록 갱신을 위해 콜밴 게시글 목록 조회에서 출력되는 각 게시글을 단건으로 조회합니다.
+
+        #### 비즈니스 로직
+        1. 존재하지 않는 게시글(`NOT_FOUND_ARTICLE`)이면 예외가 발생합니다.
+        2. 로그인된 사용자의 경우, 해당 콜벤 게시글에 합류한 상태면 `isJoined` 필드가 true로 표시됩니다.
+        """)
+    @GetMapping("/posts/{postId}/summary")
+    ResponseEntity<CallvanPostSearchResponse.CallvanPostResponse> getCallvanPostSummary(
+        @PathVariable Integer postId,
+        @UserId Integer userId
+    );
+
     @ApiResponseCodes({
         OK,
         NOT_FOUND_ARTICLE,
diff --git a/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanController.java b/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanController.java
index 485bf0a2a..241b1cc46 100644
--- a/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanController.java
+++ b/src/main/java/in/koreatech/koin/domain/callvan/controller/CallvanController.java
@@ -16,6 +16,7 @@
 import in.koreatech.koin.domain.callvan.dto.CallvanPostCreateResponse;
 import in.koreatech.koin.domain.callvan.dto.CallvanPostDetailResponse;
 import in.koreatech.koin.domain.callvan.dto.CallvanPostSearchResponse;
+import in.koreatech.koin.domain.callvan.dto.CallvanPostSearchResponse.CallvanPostResponse;
 import in.koreatech.koin.domain.callvan.dto.CallvanUserReportCreateRequest;
 import in.koreatech.koin.domain.callvan.model.enums.CallvanLocation;
 import in.koreatech.koin.domain.callvan.model.filter.CallvanAuthorFilter;
@@ -82,6 +83,15 @@ public ResponseEntity<CallvanPostSearchResponse> getCallvanPosts(
         return ResponseEntity.ok().body(response);
     }
 
+    @GetMapping("/posts/{postId}/summary")
+    public ResponseEntity<CallvanPostResponse> getCallvanPostSummary(
+        @PathVariable Integer postId,
+        @UserId Integer userId
+    ) {
+        CallvanPostResponse response = callvanPostQueryService.getCallvanPostSummary(postId, userId);
+        return ResponseEntity.ok(response);
+    }
+
     @GetMapping("/posts/{postId}")
     public ResponseEntity<CallvanPostDetailResponse> getCallvanPostDetail(
         @PathVariable Integer postId,
diff --git a/src/main/java/in/koreatech/koin/domain/callvan/service/CallvanPostQueryService.java b/src/main/java/in/koreatech/koin/domain/callvan/service/CallvanPostQueryService.java
index 79a18c400..2c9bcd395 100644
--- a/src/main/java/in/koreatech/koin/domain/callvan/service/CallvanPostQueryService.java
+++ b/src/main/java/in/koreatech/koin/domain/callvan/service/CallvanPostQueryService.java
@@ -115,4 +115,11 @@ public CallvanPostDetailResponse getCallvanPostDetail(Integer postId, Integer us
 
         return CallvanPostDetailResponse.from(callvanPost, userId, reportedUserIds);
     }
+
+    public CallvanPostSearchResponse.CallvanPostResponse getCallvanPostSummary(Integer postId, Integer userId) {
+        CallvanPost callvanPost = callvanPostRepository.getById(postId);
+        boolean isJoined =
+            userId != null && callvanParticipantRepository.existsByPostIdAndMemberIdAndIsDeletedFalse(postId, userId);
+        return CallvanPostSearchResponse.CallvanPostResponse.from(callvanPost, isJoined, userId);
+    }
 }