diff --git a/src/main/java/com/onnoff/onnoff/auth/config/WebConfig.java b/src/main/java/com/onnoff/onnoff/auth/config/WebConfig.java
index c410b02..53610bb 100644
--- a/src/main/java/com/onnoff/onnoff/auth/config/WebConfig.java
+++ b/src/main/java/com/onnoff/onnoff/auth/config/WebConfig.java
@@ -39,6 +39,6 @@ public void addInterceptors(InterceptorRegistry registry) {
 
         registry.addInterceptor(new UserInterceptor(userService, jwtUtil))
                 .addPathPatterns("/**") // 스프링 경로는 /*와 /**이 다름
-                .excludePathPatterns("/swagger-ui/**", "/v3/api-docs/**", "/oauth2/**", "/on/**", "/health","/message/**");
+                .excludePathPatterns("/swagger-ui/**", "/v3/api-docs/**", "/oauth2/**", "/on/**", "/health", "/token/**" , "/message/**");
     }
 }
diff --git a/src/main/java/com/onnoff/onnoff/auth/controller/LoginController.java b/src/main/java/com/onnoff/onnoff/auth/controller/LoginController.java
index 0230ce0..0cbead2 100644
--- a/src/main/java/com/onnoff/onnoff/auth/controller/LoginController.java
+++ b/src/main/java/com/onnoff/onnoff/auth/controller/LoginController.java
@@ -3,11 +3,14 @@
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.onnoff.onnoff.apiPayload.ApiResponse;
+import com.onnoff.onnoff.apiPayload.code.status.ErrorStatus;
+import com.onnoff.onnoff.apiPayload.exception.GeneralException;
 import com.onnoff.onnoff.auth.UserContext;
 import com.onnoff.onnoff.auth.dto.LoginRequestDTO;
 import com.onnoff.onnoff.auth.feignClient.dto.TokenResponse;
 import com.onnoff.onnoff.auth.feignClient.dto.kakao.KakaoOauth2DTO;
 import com.onnoff.onnoff.auth.jwt.dto.JwtToken;
+import com.onnoff.onnoff.auth.jwt.service.JwtTokenProvider;
 import com.onnoff.onnoff.auth.jwt.service.JwtUtil;
 import com.onnoff.onnoff.auth.service.AppleLoginService;
 import com.onnoff.onnoff.auth.service.KakaoLoginService;
@@ -15,6 +18,10 @@
 import com.onnoff.onnoff.domain.user.converter.UserConverter;
 import com.onnoff.onnoff.domain.user.dto.UserResponseDTO;
 import com.onnoff.onnoff.domain.user.service.UserService;
+import io.jsonwebtoken.ExpiredJwtException;
+import io.jsonwebtoken.InvalidClaimException;
+import io.jsonwebtoken.MalformedJwtException;
+import io.jsonwebtoken.UnsupportedJwtException;
 import io.swagger.v3.oas.annotations.Operation;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
@@ -32,6 +39,7 @@ public class LoginController {
     private final KakaoLoginService kakaoLoginService;
     private final AppleLoginService appleLoginService;
     private final UserService userService;
+    private final JwtTokenProvider jwtTokenProvider;
     private final JwtUtil jwtUtil;
 
     @Value("${kakao.redirect-uri}")
@@ -39,7 +47,6 @@ public class LoginController {
 
 
 
-
     /*
     테스트용 API, CORS 때문에 직접 호출하지 않고 redirect
      */
@@ -59,8 +66,7 @@ public String login(){
     public ResponseEntity<String> getAccessToken(@RequestParam(name = "code") String code){
         TokenResponse tokenResponse = kakaoLoginService.getAccessTokenByCode(code);
         return ResponseEntity.ok("accessToken="+ tokenResponse.getAccessToken() +
-                "idToken=" + tokenResponse.getIdToken());
-
+                "\n\nidToken=" + tokenResponse.getIdToken());
     }
     /*
     1. ID 토큰 유효성 검증
@@ -69,7 +75,7 @@ public ResponseEntity<String> getAccessToken(@RequestParam(name = "code") String
     4. 응답 헤더에 Jwt 토큰 추가
      */
 
-    @Operation(summary = "토큰 검증 API",description = "토큰을 검증 하고 이에 대한 결과를 응답합니다. 추가 정보 입력 여부도 같이 응답 합니다.")
+    @Operation(summary = "소셜 토큰 검증 API",description = "토큰을 검증 하고 이에 대한 결과를 응답합니다. 추가 정보 입력 여부도 같이 응답 합니다.")
     @ResponseBody
     @PostMapping("/oauth2/kakao/token/validate")
     public ApiResponse<UserResponseDTO.LoginDTO> validateKakoToken(HttpServletResponse response, @RequestBody LoginRequestDTO.KakaoTokenValidateDTO requestDTO)  {
@@ -93,16 +99,14 @@ public ApiResponse<UserResponseDTO.LoginDTO> validateKakoToken(HttpServletRespon
             user = UserConverter.toUser(userInfo);
             user = userService.create(user);
         }
-        // 응답헤더에 토큰 추가
+        // 응답본문에 토큰 추가
         JwtToken token = jwtUtil.generateToken(String.valueOf(user.getId()));
-        response.addHeader("Access-Token", token.getAccessToken());
-        response.addHeader("Refresh-Token", token.getRefreshToken());
-        return ApiResponse.onSuccess(UserConverter.toLoginDTO(user));
+        return ApiResponse.onSuccess(UserConverter.toLoginDTO(user, token.getAccessToken(), token.getRefreshToken()));
     }
 
     @ResponseBody
     @PostMapping("/oauth2/apple/token/validate")
-    public ApiResponse<?> validateAppleToken(HttpServletResponse response, @RequestBody LoginRequestDTO.AppleTokenValidateDTO requestDTO)  {
+    public ApiResponse<UserResponseDTO.LoginDTO> validateAppleToken(HttpServletResponse response, @RequestBody LoginRequestDTO.AppleTokenValidateDTO requestDTO)  {
         // 검증하기
         appleLoginService.validate(requestDTO.getIdentityToken());
         // 검증 성공 시 리프레시 토큰 발급받아 저장(기한 무제한, 회원탈퇴 시 필요)
@@ -120,16 +124,34 @@ public ApiResponse<?> validateAppleToken(HttpServletResponse response, @RequestB
         }
         // 응답헤더에 토큰 추가
         JwtToken token = jwtUtil.generateToken(String.valueOf(user.getId()));
-        response.addHeader("Access-Token", token.getAccessToken());
-        response.addHeader("Refresh-Token", token.getRefreshToken());
-        return ApiResponse.onSuccess(UserConverter.toLoginDTO(user));
+        return ApiResponse.onSuccess(UserConverter.toLoginDTO(user, token.getAccessToken(), token.getRefreshToken()));
     }
 
+    @Operation(summary = "서버 토큰 검증 API",description = "토큰의 유효성을 검증하고 액세스 토큰이 만료되었으면" +
+            "재발급, 리프레시 토큰까지 만료되었으면 오류 응답 추가. 정보 입력 여부도 같이 응답 합니다.")
+    @ResponseBody
+    @PostMapping("/token/validate")
+    public ApiResponse<UserResponseDTO.LoginDTO> validateServerToken(@RequestBody JwtToken tokenDTO){
+        String accessToken = tokenDTO.getAccessToken();
+        String refreshToken = tokenDTO.getRefreshToken();
+        if( jwtTokenProvider.verifyToken(accessToken) ){
+            // accessToken 유효
+            String userId = jwtUtil.getUserId(accessToken);
+            User user = userService.getUser(Long.valueOf(userId));
+            UserResponseDTO.LoginDTO loginDTO = UserConverter.toLoginDTO(user, accessToken, refreshToken);
+            return ApiResponse.onSuccess(loginDTO);
+        }
+        if (jwtTokenProvider.verifyToken(refreshToken)) {
+            //refreshToken 유효
+            String userId = jwtUtil.getUserId(refreshToken);
+            User user = userService.getUser(Long.valueOf(userId));
 
-    @GetMapping("/token/validate")
-    public ApiResponse<String> validateServerToken(@RequestParam(name = "code") String code){
-        TokenResponse tokenResponse = kakaoLoginService.getAccessTokenByCode(code);
-        return ApiResponse.onSuccess(null);
+            String newRefreshToken = jwtUtil.generateRefreshToken(jwtUtil.getUserId(refreshToken));
+            String newAccessToken = jwtUtil.generateAccessToken(jwtUtil.getUserId(refreshToken));
+            return ApiResponse.onSuccess(UserConverter.toLoginDTO(user, newAccessToken, newRefreshToken));
+        }
+        // 둘 다 유효하지 않은 경우
+        throw new GeneralException(ErrorStatus.INVALID_TOKEN_ERROR);
     }
     /*
    테스트용 API
diff --git a/src/main/java/com/onnoff/onnoff/auth/dto/LoginRequestDTO.java b/src/main/java/com/onnoff/onnoff/auth/dto/LoginRequestDTO.java
index 347bdf3..d9e021b 100644
--- a/src/main/java/com/onnoff/onnoff/auth/dto/LoginRequestDTO.java
+++ b/src/main/java/com/onnoff/onnoff/auth/dto/LoginRequestDTO.java
@@ -4,23 +4,18 @@
 import lombok.Getter;
 
 public class LoginRequestDTO {
+
     @Getter
     public static class AppleTokenValidateDTO{
-        @JsonProperty("user")
         private String oauthId;
-        @JsonProperty("full_name")
         private String fullName;
         private String email;
-        @JsonProperty("identity_token")
         private String identityToken;
-        @JsonProperty("authorization_code")
         private String authorizationCode;
     }
     @Getter
     public static class KakaoTokenValidateDTO{
-        @JsonProperty("identity_token")
         private String identityToken;
-        @JsonProperty("access_token")
         private String accessToken;
     }
 }
diff --git a/src/main/java/com/onnoff/onnoff/auth/jwt/dto/JwtToken.java b/src/main/java/com/onnoff/onnoff/auth/jwt/dto/JwtToken.java
index a208ddc..c5b3fbc 100644
--- a/src/main/java/com/onnoff/onnoff/auth/jwt/dto/JwtToken.java
+++ b/src/main/java/com/onnoff/onnoff/auth/jwt/dto/JwtToken.java
@@ -1,12 +1,10 @@
 package com.onnoff.onnoff.auth.jwt.dto;
 
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Getter;
-import lombok.Setter;
+import lombok.*;
 
 @Getter
 @AllArgsConstructor
+@NoArgsConstructor
 @Builder
 public class JwtToken {
     private String accessToken;
diff --git a/src/main/java/com/onnoff/onnoff/auth/jwt/filter/JwtAuthFilter.java b/src/main/java/com/onnoff/onnoff/auth/jwt/filter/JwtAuthFilter.java
index ad8c591..c7ee977 100644
--- a/src/main/java/com/onnoff/onnoff/auth/jwt/filter/JwtAuthFilter.java
+++ b/src/main/java/com/onnoff/onnoff/auth/jwt/filter/JwtAuthFilter.java
@@ -25,7 +25,7 @@
 @RequiredArgsConstructor
 public class JwtAuthFilter extends OncePerRequestFilter {
     private final JwtTokenProvider jwtTokenProvider;
-    private final static String[] ignorePrefix = {"/swagger-ui", "/v3/api-docs", "/oauth2", "/on", "/health","/message"};
+    private final static String[] ignorePrefix = {"/swagger-ui", "/v3/api-docs", "/oauth2", "/on", "/health", "/token/validate" , "/message"};
     @Override
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
         log.info("url ={}", request.getRequestURI());
diff --git a/src/main/java/com/onnoff/onnoff/auth/jwt/filter/UserInterceptor.java b/src/main/java/com/onnoff/onnoff/auth/jwt/filter/UserInterceptor.java
index d214769..b208310 100644
--- a/src/main/java/com/onnoff/onnoff/auth/jwt/filter/UserInterceptor.java
+++ b/src/main/java/com/onnoff/onnoff/auth/jwt/filter/UserInterceptor.java
@@ -36,6 +36,7 @@ public boolean preHandle(HttpServletRequest request, HttpServletResponse respons
             return true;
         }
         catch (IllegalArgumentException exception){
+            log.info("url={} 인터셉터 인증 실패", request.getRequestURI() );
             // jwt 필터에서 검증된 토큰이라 예외 안나겠지만 없지만 혹시 모르니
             response.sendError(HttpStatus.UNAUTHORIZED.value());
             return false;
diff --git a/src/main/java/com/onnoff/onnoff/auth/jwt/service/JwtTokenProvider.java b/src/main/java/com/onnoff/onnoff/auth/jwt/service/JwtTokenProvider.java
index 87d668a..35226fd 100644
--- a/src/main/java/com/onnoff/onnoff/auth/jwt/service/JwtTokenProvider.java
+++ b/src/main/java/com/onnoff/onnoff/auth/jwt/service/JwtTokenProvider.java
@@ -43,7 +43,7 @@ public boolean verifyToken(String token) {
                     .getExpiration()
                     .after(new Date());  // 만료 시간이 현재 시간 이후인지 확인하여 유효성 검사 결과를 반환
         } catch (Exception e) {
-            log.info("토큰 만료 = {}", token);
+            log.info("토큰 검증 실패 = {}", token);
             return false;
         }
     }
diff --git a/src/main/java/com/onnoff/onnoff/domain/user/converter/UserConverter.java b/src/main/java/com/onnoff/onnoff/domain/user/converter/UserConverter.java
index 327ebc2..d42d469 100644
--- a/src/main/java/com/onnoff/onnoff/domain/user/converter/UserConverter.java
+++ b/src/main/java/com/onnoff/onnoff/domain/user/converter/UserConverter.java
@@ -23,11 +23,11 @@ public static User toUser(LoginRequestDTO.AppleTokenValidateDTO request){
                 .socialType(SocialType.APPLE)
                 .build();
     }
-    public static UserResponseDTO.LoginDTO toLoginDTO(User user){
+    public static UserResponseDTO.LoginDTO toLoginDTO(User user, String accessToken, String refreshToken){
         return UserResponseDTO.LoginDTO.builder()
-                .id(user.getId())
+                .accessToken(accessToken)
+                .refreshToken(refreshToken)
                 .infoSet(user.isInfoSet())
-                .createdAt(user.getCreatedAt())
                 .build();
 
     }
diff --git a/src/main/java/com/onnoff/onnoff/domain/user/dto/UserResponseDTO.java b/src/main/java/com/onnoff/onnoff/domain/user/dto/UserResponseDTO.java
index 8482817..b870810 100644
--- a/src/main/java/com/onnoff/onnoff/domain/user/dto/UserResponseDTO.java
+++ b/src/main/java/com/onnoff/onnoff/domain/user/dto/UserResponseDTO.java
@@ -16,9 +16,9 @@ public class UserResponseDTO {
     @NoArgsConstructor
     @AllArgsConstructor
     public static class LoginDTO{
-        private Long id;
         private boolean infoSet;
-        private LocalDateTime createdAt;
+        private String accessToken;
+        private String refreshToken;
     }
 
     @Builder