diff --git a/smeem-api/src/main/java/com/smeem/api/auth/api/AuthApi.java b/smeem-api/src/main/java/com/smeem/api/auth/api/AuthApi.java
index 36e3131d..92777064 100644
--- a/smeem-api/src/main/java/com/smeem/api/auth/api/AuthApi.java
+++ b/smeem-api/src/main/java/com/smeem/api/auth/api/AuthApi.java
@@ -11,7 +11,9 @@
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestHeader;
 
+import java.security.NoSuchAlgorithmException;
 import java.security.Principal;
+import java.security.spec.InvalidKeySpecException;
 
 import static io.swagger.v3.oas.annotations.enums.ParameterIn.HEADER;
 
@@ -26,7 +28,7 @@ public interface AuthApi {
             @ApiResponse(responseCode = "401", description = "유효하지 않은 토큰입니다"),
             @ApiResponse(responseCode = "500", description = "서버 내부 오류")
     })
-    ResponseEntity<BaseResponse<?>> signIn(@RequestHeader("Authorization") final String socialAccessToken, @RequestBody SignInRequest request);
+    ResponseEntity<BaseResponse<?>> signIn(@RequestHeader("Authorization") final String socialAccessToken, @RequestBody SignInRequest request) throws NoSuchAlgorithmException, InvalidKeySpecException;
 
     @Operation(summary = "토큰 재발급 API")
     @Parameter(name = "Authorization", description = "Bearer ${Smeme Refresh Token}", in = HEADER, required = true)
diff --git a/smeem-api/src/main/java/com/smeem/api/auth/api/AuthController.java b/smeem-api/src/main/java/com/smeem/api/auth/api/AuthController.java
index d0e544de..3ac1bc4a 100644
--- a/smeem-api/src/main/java/com/smeem/api/auth/api/AuthController.java
+++ b/smeem-api/src/main/java/com/smeem/api/auth/api/AuthController.java
@@ -24,11 +24,12 @@
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("api/v2/auth")
-public class AuthController {
+public class AuthController implements AuthApi {
 
     private final AuthService authService;
     private final TokenService tokenService;
 
+    @Override
     @PostMapping
     public ResponseEntity<BaseResponse<?>> signIn(@RequestHeader("Authorization") final String socialAccessToken,
                                                   @RequestBody SignInRequest request) throws NoSuchAlgorithmException, InvalidKeySpecException {
@@ -36,18 +37,21 @@ public ResponseEntity<BaseResponse<?>> signIn(@RequestHeader("Authorization") fi
         return ApiResponseUtil.success(SUCCESS_SIGNIN, response);
     }
 
+    @Override
     @PostMapping("/token")
     public ResponseEntity<BaseResponse<?>> reissueToken(Principal principal) {
         val response = TokenResponse.from(tokenService.issueToken(Util.getMemberId(principal)));
         return ApiResponseUtil.success(SUCCESS_ISSUE_TOKEN, response);
     }
 
+    @Override
     @PostMapping("/sign-out")
     public ResponseEntity<BaseResponse<?>> signOut(Principal principal) {
         authService.signOut(Util.getMemberId(principal));
         return ApiResponseUtil.success(SUCCESS_SIGNOUT);
     }
 
+    @Override
     @DeleteMapping
     public ResponseEntity<BaseResponse<?>> withDrawl(Principal principal) {
         authService.withdraw(Util.getMemberId(principal));