diff --git a/src/auth/auth.controller.ts b/src/auth/auth.controller.ts
index 523ebf2..2405fe5 100644
--- a/src/auth/auth.controller.ts
+++ b/src/auth/auth.controller.ts
@@ -3,7 +3,14 @@ import { IdPGuard } from './guard/idp.guard';
 import { GroupsGuard } from './guard/groups.guard';
 import { GetUser } from './decorator/getUser.decorator';
 import { User } from '@prisma/client';
-import { ApiOAuth2, ApiOperation, ApiTags } from '@nestjs/swagger';
+import {
+  ApiOAuth2,
+  ApiOkResponse,
+  ApiOperation,
+  ApiTags,
+} from '@nestjs/swagger';
+import { AccessTokenDto } from './dto/res/accessTokenRes.Dto';
+import { UserResDto } from './dto/res/userRes.dto';
 
 @ApiTags('auth')
 @Controller('auth')
@@ -22,9 +29,13 @@ export class AuthController {
     description:
       'idp login에서 callback을 받아서, idp groups token을 발급받습니다.',
   })
+  @ApiOkResponse({
+    type: AccessTokenDto,
+    description: 'idp groups token',
+  })
   @Get('callback')
   @UseGuards(IdPGuard)
-  login(@Req() req: any): any {
+  login(@Req() req: any): AccessTokenDto {
     return req.user;
   }
 
@@ -34,9 +45,13 @@ export class AuthController {
       '사용자 정보를 조회합니다. 이떄, 사용자 정보는 groups에 저장된 정보만을 가져옵니다.',
   })
   @ApiOAuth2(['openid', 'email', 'profile'])
+  @ApiOkResponse({
+    type: UserResDto,
+    description: 'User information',
+  })
   @Get('info')
   @UseGuards(GroupsGuard)
-  getUserInfo(@GetUser() user: User): any {
+  getUserInfo(@GetUser() user: User): UserResDto {
     return user;
   }
 }
diff --git a/src/auth/auth.service.ts b/src/auth/auth.service.ts
index 07bfb80..66afa1b 100644
--- a/src/auth/auth.service.ts
+++ b/src/auth/auth.service.ts
@@ -2,6 +2,7 @@ import { Injectable, Logger } from '@nestjs/common';
 import { User } from '@prisma/client';
 import { IdpService } from 'src/idp/idp.service';
 import { UserService } from 'src/user/user.service';
+import { AccessTokenDto } from './dto/res/accessTokenRes.Dto';
 
 @Injectable()
 export class AuthService {
@@ -11,7 +12,7 @@ export class AuthService {
     private readonly idpService: IdpService,
   ) {}
 
-  async login(accessToken: string): Promise<{ accessToken: string }> {
+  async login(accessToken: string): Promise<AccessTokenDto> {
     this.logger.log('Login with IDP');
     const { uuid, name, email } =
       await this.idpService.getUserInfo(accessToken);
diff --git a/src/auth/dto/res/accessTokenRes.dto.ts b/src/auth/dto/res/accessTokenRes.dto.ts
new file mode 100644
index 0000000..1f28712
--- /dev/null
+++ b/src/auth/dto/res/accessTokenRes.dto.ts
@@ -0,0 +1,6 @@
+import { ApiProperty } from '@nestjs/swagger';
+
+export class AccessTokenDto {
+  @ApiProperty()
+  accessToken: string;
+}
diff --git a/src/auth/dto/res/userRes.dto.ts b/src/auth/dto/res/userRes.dto.ts
new file mode 100644
index 0000000..45ca31d
--- /dev/null
+++ b/src/auth/dto/res/userRes.dto.ts
@@ -0,0 +1,16 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { User } from '@prisma/client';
+
+export class UserResDto implements User {
+  @ApiProperty()
+  uuid: string;
+
+  @ApiProperty()
+  name: string;
+
+  @ApiProperty()
+  email: string;
+
+  @ApiProperty()
+  createdAt: Date;
+}
diff --git a/src/auth/strategy/idp.strategy.ts b/src/auth/strategy/idp.strategy.ts
index c85eb01..39cb177 100644
--- a/src/auth/strategy/idp.strategy.ts
+++ b/src/auth/strategy/idp.strategy.ts
@@ -3,6 +3,7 @@ import { Strategy } from 'passport-oauth2';
 import { PassportStrategy } from '@nestjs/passport';
 import { ConfigService } from '@nestjs/config';
 import { AuthService } from '../auth.service';
+import { AccessTokenDto } from '../dto/res/accessTokenRes.Dto';
 
 @Injectable()
 export class IdpStrategy extends PassportStrategy(Strategy, 'idp') {
@@ -20,7 +21,7 @@ export class IdpStrategy extends PassportStrategy(Strategy, 'idp') {
     });
   }
 
-  async validate(accessToken: string): Promise<any> {
+  async validate(accessToken: string): Promise<AccessTokenDto> {
     return this.authService.login(accessToken);
   }
 }
diff --git a/src/external/external.controller.ts b/src/external/external.controller.ts
index b5529fb..7b98e50 100644
--- a/src/external/external.controller.ts
+++ b/src/external/external.controller.ts
@@ -2,8 +2,10 @@ import { Body, Controller, Get, Post, Req, UseGuards } from '@nestjs/common';
 import {
   ApiBasicAuth,
   ApiBearerAuth,
+  ApiCreatedResponse,
   ApiForbiddenResponse,
   ApiInternalServerErrorResponse,
+  ApiOkResponse,
   ApiOperation,
   ApiTags,
   ApiUnauthorizedResponse,
@@ -28,6 +30,7 @@ export class ExternalController {
       '해당 유저가 가입된 그룹 들을 확인할 수 있는 토큰을 생성합니다.',
   })
   @UseGuards(ClientGuard)
+  @ApiCreatedResponse({ type: ExternalTokenResDto })
   @ApiUnauthorizedResponse()
   @ApiForbiddenResponse()
   @ApiInternalServerErrorResponse()
@@ -45,6 +48,7 @@ export class ExternalController {
     description: '해당 유저가 가입된 그룹 들에 관한 정보를 가져옵니다.',
   })
   @UseGuards(ExternalGuard)
+  @ApiOkResponse({ type: ExternalInfoResDto })
   @ApiUnauthorizedResponse()
   @ApiInternalServerErrorResponse()
   @ApiBearerAuth('external')