diff --git a/layer-api/src/main/java/org/layer/domain/jwt/JwtAuthenticationFilter.java b/layer-api/src/main/java/org/layer/domain/jwt/JwtAuthenticationFilter.java
index 34711088..10320f81 100644
--- a/layer-api/src/main/java/org/layer/domain/jwt/JwtAuthenticationFilter.java
+++ b/layer-api/src/main/java/org/layer/domain/jwt/JwtAuthenticationFilter.java
@@ -20,7 +20,6 @@
 @RequiredArgsConstructor
 @Component
 public class JwtAuthenticationFilter extends OncePerRequestFilter {
-    private final JwtProvider jwtProvider;
     private final JwtValidator jwtValidator;
 
     @Override
diff --git a/layer-api/src/main/java/org/layer/domain/space/api/SpaceApi.java b/layer-api/src/main/java/org/layer/domain/space/api/SpaceApi.java
index 17775902..f77c7ec6 100644
--- a/layer-api/src/main/java/org/layer/domain/space/api/SpaceApi.java
+++ b/layer-api/src/main/java/org/layer/domain/space/api/SpaceApi.java
@@ -44,13 +44,16 @@ public interface SpaceApi {
                     content = {
                             @Content(
                                     mediaType = "application/json",
-                                    schema = @Schema()
+                                    schema = @Schema(implementation = SpaceResponse.SpaceCreateResponse.class, title = "생성된 스페이스 아이디", description = """
+                                            생성된 스페이스의 아이디를 반환합니다.
+                                                                                        
+                                            """)
                             )
                     }
             )
     }
     )
-    ResponseEntity<Void> createSpace(@MemberId Long memberId, @RequestBody @Validated SpaceRequest.CreateSpaceRequest createSpaceRequest);
+    ResponseEntity<SpaceResponse.SpaceCreateResponse> createSpace(@MemberId Long memberId, @RequestBody @Validated SpaceRequest.CreateSpaceRequest createSpaceRequest);
 
     @Operation(summary = "스페이스 수정하기", method = "PUT", description = """
             스페이스를 수정합니다. <br />
diff --git a/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java b/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java
index 2a3d5a63..6771b6f9 100644
--- a/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java
+++ b/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java
@@ -30,9 +30,10 @@ public ResponseEntity<SpaceResponse.SpacePage> getMySpaceList(@MemberId Long mem
 
     @Override
     @PostMapping("")
-    public ResponseEntity<Void> createSpace(@MemberId Long memberId, @RequestBody @Validated SpaceRequest.CreateSpaceRequest createSpaceRequest) {
-        spaceService.createSpace(memberId, createSpaceRequest);
-        return ResponseEntity.ok().build();
+    public ResponseEntity<SpaceResponse.SpaceCreateResponse> createSpace(@MemberId Long memberId, @RequestBody @Validated SpaceRequest.CreateSpaceRequest createSpaceRequest) {
+        var newSpaceId = spaceService.createSpace(memberId, createSpaceRequest);
+
+        return ResponseEntity.ok(SpaceResponse.SpaceCreateResponse.builder().spaceId(newSpaceId).build());
     }
 
     @Override
diff --git a/layer-api/src/main/java/org/layer/domain/space/dto/SpaceResponse.java b/layer-api/src/main/java/org/layer/domain/space/dto/SpaceResponse.java
index 6801976c..a291cc85 100644
--- a/layer-api/src/main/java/org/layer/domain/space/dto/SpaceResponse.java
+++ b/layer-api/src/main/java/org/layer/domain/space/dto/SpaceResponse.java
@@ -75,4 +75,16 @@ public static SpacePage toResponse(List<SpaceWithMemberCountInfo> spaceInfo, Met
             return SpacePage.builder().data(spaceInfo).meta(meta).build();
         }
     }
+
+    @Builder
+    @Schema
+    public record SpaceCreateResponse(
+            @Schema(title = "생성된 스페이스 아이디", description = """
+                                        
+                    생성 완료된 스페이스의 아이디
+                                        
+                    """)
+            Long spaceId
+    ) {
+    }
 }
diff --git a/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java b/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java
index ccb03301..86969d69 100644
--- a/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java
+++ b/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java
@@ -44,13 +44,15 @@ public SpaceResponse.SpacePage getSpaceListFromMemberId(Long memberId, SpaceRequ
     }
 
     @Transactional
-    public void createSpace(Long memberId, SpaceRequest.CreateSpaceRequest createSpaceRequest) {
+    public Long createSpace(Long memberId, SpaceRequest.CreateSpaceRequest createSpaceRequest) {
 
 
         var newSpace = spaceRepository.save(createSpaceRequest.toEntity(memberId));
         var memberSpaceRelation = MemberSpaceRelation.builder().memberId(memberId).space(newSpace).build();
 
         memberSpaceRelationRepository.save(memberSpaceRelation);
+
+        return newSpace.getId();
     }
 
     @Transactional