diff --git a/src/index.js b/src/index.js
index dcdb717..e7f9793 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,46 +5,19 @@ import express from "express";
 import swaggerUi from "swagger-ui-express";
 import session from "express-session";
 import passport from "passport";
-import multer from "multer";
+
 import httpLogger from "./middlewares/logger.middleware.js";
 import { specs } from "./configs/swagger.config.js";
 import { jwtStrategy } from "./Auths/strategies/jwt.strategy.js";
-import { handleGetFriendsList, handlePostFriendsRequest, handleGetIncomingFriendRequests, handleGetOutgoingFriendRequests, handleAcceptFriendRequest, handleRejectFriendRequest, handleDeleteFriendRequest } from "./controllers/friend.controller.js";
-import { handleSendMyLetter, handleSendOtherLetter, handleGetLetterDetail, handleRemoveLetterLike, handleAddLetterLike, handleGetPublicLetterFromOther, handleGetPublicLetterFromFriend, handleGetUserLetterStats, handleGetLetterAssets, handleGetLetterByAiKeyword } from "./controllers/letter.controller.js";
-import { handleCheckDuplicatedEmail, handleLogin, handleRefreshToken, handleSignUp, handleSendVerifyEmailCode, handleCheckEmailCode, handleGetAccountInfo, handleResetPassword, handleLogout, handleWithdrawUser, handleCheckDuplicatedUsername, handleSocialLogin, handleSocialLoginCertification, handleSocialLoginCallback, handleChangePassword } from "./controllers/auth.controller.js";
-import { handlePostMatchingSession, handlePatchMatchingSessionStatusDiscarded, handlePatchMatchingSessionStatusFriends, handlePostSessionReview } from "./controllers/session.controller.js";
-import { handleCreateUserAgreements, handlePatchOnboardingStep1, handleGetAllInterests, handleGetMyInterests, handleUpdateMyOnboardingInterests, handleGetMyNotificationSettings, handleUpdateMyNotificationSettings, handleGetMyProfile, handlePatchMyProfile, handlePostMyProfileImage, handlePutMyPushSubscription, handleGetMyConsents, handlePatchMyConsents, handleUpdateActivity, } from "./controllers/user.controller.js";
-import { handleGetAnonymousThreads, handleGetAnonymousThreadLetters, handleGetSelfMailbox, handleGetLetterFromFriend, } from "./controllers/mailbox.controller.js";
-import { handleGetNotices, handleGetNoticeDetail, } from "./controllers/notice.controller.js";
-import { handleGetCommunityGuidelines, handleGetTerms, handleGetPrivacy, } from "./controllers/policy.controller.js";
-import { handleGetWeeklyReport } from "./controllers/weeklyReport.controller.js";
-import { handleGetTodayQuestion } from "./controllers/question.controller.js";
-import { validate } from "./middlewares/validate.middleware.js";
-import { changePasswordSchema, emailSchema, loginSchema, resetPasswordSchema, SignUpSchema, usernameSchema, verificationConfirmCodeSchema, verificationSendCodeSchema } from "./schemas/auth.schema.js";
-import { handleInsertInquiryAsUser, handleInsertInquiryAsAdmin, handleGetInquiry, handleGetInquiryDetail } from "./controllers/inquiry.controller.js";
-import { isLogin } from "./middlewares/auth.middleware.js";
-import { isRestricted } from "./middlewares/restriction.middleware.js";
-import { letterByAiKeywordSchema, letterToMeSchema, letterToOtherSchema, publicCarouselSchema } from "./schemas/letter.schema.js";
-import { idParamSchema, ISOTimeSchema } from "./schemas/common.schema.js";
-import { pushSubscriptionSchema, onboardingStep1Schema, updateInterestsSchema, updateProfileSchema, updateNotificationSettingsSchema, updateConsentsSchema, updateActivitySchema, createUserAgreementsSchema } from "./schemas/user.schema.js";
-import { sessionIdParamSchema } from "./schemas/mailbox.schema.js";
-import { noticeIdParamSchema } from "./schemas/notice.schema.js";
-import { HandleGetHomeDashboard } from "./controllers/dashboard.controller.js";
-import { handleInsertUserReport, handleGetUserReports, handleGetUserReport } from "./controllers/report.controller.js";
-import { startBatch } from "./jobs/index.job.js";
-import { insertUserReportSchema, getUserReportSchema } from "./schemas/report.schema.js";
-import { postTargetUserIdAndSIdSchema, requesterUserIdSchema, targetUserIdSchema } from "./schemas/friend.schema.js";
-import { getInquiryDetailSchema, insertInquiryAsAdminSchema, insertInquiryAsUserSchema } from "./schemas/inquiry.schema.js";
-import { postMatchingSessionSchema, postSessionReviewSchema, patchMatchingSessionStatusSchema} from "./schemas/session.schema.js";
-import { postBlockUserSchema } from "./schemas/block.schema.js";
-import { handleGetBlock, handlePostBlock } from "./controllers/block.controller.js";
-import { handleGetRestrict } from "./controllers/restrict.controller.js";
 import { configurePush } from "./configs/push.config.js";
 import logger from "./configs/logger.config.js";
+import { startBatch } from "./jobs/index.job.js";
+
+import { registerRoutes } from "./routes/index.js";
 
 const app = express();
 const port = process.env.PORT || 3000;
-const allowed_origins = process.env.ALLOWED_ORIGINS?.split(',') || ["http://localhost:3000"];
+const allowed_origins = process.env.ALLOWED_ORIGINS?.split(",") || ["http://localhost:3000"];
 
 configurePush();
 
@@ -53,8 +26,6 @@ app.use((req, res, next) => {
   next();
 });
 
-// app.use(cors({ origin: ["http://localhost:3000"], credentials: true }));
-
 app.use(
   cors({
     origin: allowed_origins,
@@ -75,7 +46,14 @@ app.use(httpLogger);
 // 로그인 전략
 passport.use(jwtStrategy);
 
-app.use(session({ secret: process.env.SESSION_SECRET, resave: false, saveUninitialized: false, cookie: { httpOnly: true, maxAge: 1800000, sameSite: "none", secure: true } }));
+app.use(
+  session({
+    secret: process.env.SESSION_SECRET,
+    resave: false,
+    saveUninitialized: false,
+    cookie: { httpOnly: true, maxAge: 1800000, sameSite: "none", secure: true },
+  })
+);
 
 // Swagger 연결
 app.use("/api-docs", swaggerUi.serve, swaggerUi.setup(specs));
@@ -92,137 +70,10 @@ app.use((req, res, next) => {
   next();
 });
 
-// 비동기 에러 래퍼
-const asyncHandler = (fn) => (req, res, next) => {
-  Promise.resolve(fn(req, res, next)).catch(next);
-};
-
-// 프로필 이미지 업로드
-const upload = multer({ storage: multer.memoryStorage() });
-
-// 테스트 라우트
-app.get("/", (req, res) => {
-  res.send("Hello World! Server is running.");
-});
-
-
-// 로그인/회원가입
-
-app.get("/mypage", isLogin, (req, res) => {
-  res.status(200).success({
-    message: `인증 성공! ${req.user.name}님의 마이페이지입니다.`,
-    user: req.user,
-  });
-});
-
-app.get("/friends", isLogin, isRestricted, asyncHandler(handleGetFriendsList)); //친구 목록 불러오기
-
-app.post("/friends/requests", isLogin, isRestricted, validate(postTargetUserIdAndSIdSchema), asyncHandler(handlePostFriendsRequest)); //친구 신청
-app.get("/friends/requests/incoming", isLogin, isRestricted, asyncHandler(handleGetIncomingFriendRequests)); //들어온 친구 신청 불러오기
-app.get("/friends/requests/outgoing", isLogin, isRestricted, asyncHandler(handleGetOutgoingFriendRequests)); //보낸 친구 신청 불러오기
-app.post("/friends/requests/accept/:requesterUserId", isLogin, isRestricted, validate(requesterUserIdSchema), asyncHandler(handleAcceptFriendRequest)); //들어온 친구 신청 수락
-app.post("/friends/requests/reject/:targetUserId", isLogin, isRestricted, validate(targetUserIdSchema), asyncHandler(handleRejectFriendRequest)); //들어온 친구 신청 거절
-app.delete("/friends/requests/:targetUserId", isLogin, isRestricted, validate(targetUserIdSchema), asyncHandler(handleDeleteFriendRequest)); //보낸 친구 신청 삭제
-
-
-app.post("/matching/sessions/:questionId", isLogin, isRestricted, validate(postMatchingSessionSchema), asyncHandler(handlePostMatchingSession)); //세션 생성
-app.patch("/matching/sessions/:sessionId/friends", isLogin, isRestricted, validate(patchMatchingSessionStatusSchema), asyncHandler(handlePatchMatchingSessionStatusFriends)); //세션 친구됨으로 변경
-app.patch("/matching/sessions/:sessionId/discards", isLogin, isRestricted, validate(patchMatchingSessionStatusSchema), asyncHandler(handlePatchMatchingSessionStatusDiscarded)); //세션 삭제됨으로 변경
-app.post("/matching/sessions/:sessionId/reviews", isLogin, isRestricted, validate(postSessionReviewSchema), asyncHandler(handlePostSessionReview)); //세션 리뷰 작성
-
-
-app.post("/block/:targetUserId", isLogin, isRestricted, validate(postBlockUserSchema), asyncHandler(handlePostBlock));
-app.get("/block", isLogin, isRestricted, asyncHandler(handleGetBlock));
-
-app.get("/restrict", isLogin, asyncHandler(handleGetRestrict));
-
-app.post("/reports", isLogin, isRestricted, validate(insertUserReportSchema), asyncHandler(handleInsertUserReport));
-
-app.get("/reports", isLogin, isRestricted, asyncHandler(handleGetUserReports));
-app.get("/reports/:reportId", isLogin, isRestricted, validate(getUserReportSchema), asyncHandler(handleGetUserReport));
-
-
-app.get("/weekly/reports", isLogin, isRestricted, asyncHandler(handleGetWeeklyReport));
-
-
-app.post("/inquiries", isLogin, validate(insertInquiryAsUserSchema), asyncHandler(handleInsertInquiryAsUser));
-app.post("/inquiries/admin", isLogin, validate(insertInquiryAsAdminSchema), asyncHandler(handleInsertInquiryAsAdmin));
-app.get("/inquiries", isLogin, asyncHandler(handleGetInquiry));
-app.get("/inquiries/:inquiryId", isLogin, validate(getInquiryDetailSchema), asyncHandler(handleGetInquiryDetail));
-
-app.post("/auth/signup", validate(SignUpSchema), handleSignUp);                     // 회원가입
-app.post("/auth/login", validate(loginSchema), handleLogin);                        // 로그인
-app.get("/auth/oauth/:provider", handleSocialLogin);                                // 소셜 로그인
-app.post("/auth/login/:provider", handleSocialLoginCertification, handleSocialLoginCallback); // 소셜 로그인 응답
-app.post("/auth/username/exists", validate(usernameSchema), handleCheckDuplicatedUsername);     // 아이디 중복 확인
-app.post("/auth/email/exists", validate(emailSchema), handleCheckDuplicatedEmail);  // 이메일 중복 확인
-app.get("/auth/refresh", handleRefreshToken);                                       // 액세스 토큰 재발급
-app.post("/auth/:type/verification-codes", validate(verificationSendCodeSchema), handleSendVerifyEmailCode);       // 이메일 인증번호 전송
-app.post("/auth/:type/verification-codes/confirm", validate(verificationConfirmCodeSchema), handleCheckEmailCode); // 이메일 인증번호 확인
-app.post("/auth/find-id", validate(emailSchema), handleGetAccountInfo);                        // 아이디 찾기
-app.patch("/auth/reset-password", isLogin, validate(resetPasswordSchema), handleResetPassword);    // 비밀번호 초기화
-app.patch("/auth/change-password", isLogin, validate(changePasswordSchema), handleChangePassword); // 비밀번호 변경
-app.post("/auth/logout", isLogin, handleLogout);                            // 로그아웃
-app.delete("/users", isLogin, handleWithdrawUser);                          // 탈퇴
-app.post("/users/me/agreements", isLogin, validate(createUserAgreementsSchema), handleCreateUserAgreements)    // 이용약관 동의
-
-
-app.get("/letter-assets", isLogin, isRestricted, handleGetLetterAssets);        // 편지 꾸미기 리소스 목록 조회
-app.post("/letter/me", isLogin, isRestricted, validate(letterToMeSchema), handleSendMyLetter);                      // 나에게 편지 전송
-app.post("/letter/other", isLogin, isRestricted, validate(letterToOtherSchema),handleSendOtherLetter);              // 타인/친구에게 편지 전송
-app.get("/letters/:letterId", isLogin, isRestricted, validate(idParamSchema("letterId")),handleGetLetterDetail);    // 편지 상세 조회
-app.get("/letters/keywords/:aiKeyword", isLogin, isRestricted, validate(letterByAiKeywordSchema), asyncHandler(handleGetLetterByAiKeyword));    // AI 키워드로 편지 조회
-app.post("/letters/:letterId/like", isLogin, isRestricted, validate(idParamSchema("letterId")), handleAddLetterLike);                // 편지 좋아요 추가
-app.delete("/letters/:letterId/like", isLogin, isRestricted, validate(idParamSchema("letterId")), handleRemoveLetterLike);           // 편지 좋아요 삭제
-
-app.get("/questions/today", validate(ISOTimeSchema), handleGetTodayQuestion);       // 오늘의 질문 조회
-app.get("/letters/others/public", isLogin, isRestricted, validate(publicCarouselSchema), handleGetPublicLetterFromOther);       // 공개 편지 캐러셀 목록 조회
-app.get("/letters/friends/public", isLogin, isRestricted, validate(publicCarouselSchema), handleGetPublicLetterFromFriend);     // 친구 편지 캐러셀 목록 조회
-app.get("/users/me/letters/stats", isLogin, isRestricted, validate(ISOTimeSchema), handleGetUserLetterStats)  // 편지 여행 카드 데이터 조회
-
-app.get("/home/summary", isLogin, isRestricted, validate(ISOTimeSchema), HandleGetHomeDashboard);  // 홈 대시보드 조회
-
-// 온보딩 설정
-app.patch("/users/me/onboarding", isLogin, validate(onboardingStep1Schema), handlePatchOnboardingStep1);
-app.put("/users/me/onboarding/interests", isLogin, validate(updateInterestsSchema), handleUpdateMyOnboardingInterests);
-
-// 관심사
-app.get("/interests/all", handleGetAllInterests); // 전체 목록 (로그인 불필요)
-app.get("/interests", isLogin, handleGetMyInterests); // 내 선택 목록 (로그인 필요)
-
-// 알람 설정
-app.patch("/users/me/notification-settings", isLogin, validate(updateNotificationSettingsSchema), handleUpdateMyNotificationSettings);
-app.get("/users/me/notification-settings", isLogin, handleGetMyNotificationSettings);
-
-// 정책, 공지사항
-app.get("/policies/community-guidelines", handleGetCommunityGuidelines);
-app.get("/policies/terms", handleGetTerms);
-app.get("/policies/privacy", handleGetPrivacy);
-
-app.get("/notices", handleGetNotices);
-app.get("/notices/:noticeId", validate(noticeIdParamSchema), handleGetNoticeDetail);
-
-// 동의 설정
-app.get("/users/me/consents", isLogin, handleGetMyConsents);
-app.patch("/users/me/consents", isLogin, validate(updateConsentsSchema), handlePatchMyConsents);
-
-// 구독객체
-app.put("/users/me/push-subscriptions", isLogin, validate(pushSubscriptionSchema), handlePutMyPushSubscription);
-
-// / 편지함
-app.get("/mailbox/anonymous", isLogin, handleGetAnonymousThreads);
-app.get("/mailbox/anonymous/threads/:sessionId/letters", isLogin, validate(sessionIdParamSchema), handleGetAnonymousThreadLetters);
-app.get("/mailbox/friends/threads/:friendId/letters", isLogin, validate(idParamSchema("friendId")), handleGetLetterFromFriend); // 친구 대화 목록 화면 조회
-app.get("/mailbox/self", isLogin, handleGetSelfMailbox);
-
-// 프로필
-app.get("/users/me/profile", isLogin, handleGetMyProfile);
-app.patch("/users/me/profile", isLogin, validate(updateProfileSchema), handlePatchMyProfile);
-app.post("/users/me/profile/image", isLogin, upload.single("image"), handlePostMyProfileImage);
-
-// 활동 시간 추적
-app.post("/users/me/activity", isLogin, validate(updateActivitySchema), handleUpdateActivity);
+// ✅ 라우터 등록 (여기서 도메인별로 분리된 Router들이 붙음)
+registerRoutes(app);
 
+// 에러 핸들러
 app.use((err, req, res, next) => {
   if (res.headersSent) return next(err);
 
@@ -234,6 +85,7 @@ app.use((err, req, res, next) => {
   return res.status(status).json({ resultType: "FAIL", error: { errorCode: err.errorCode || "COMMON_001", reason: err.reason || err.message || "Internal Server Error", data: err.data || null }, success: null });
 });
 
+
 // 서버 실행
 app.listen(port, async () => {
   console.log(`Server is running on port ${port}`);
diff --git a/src/routes/auth.router.js b/src/routes/auth.router.js
new file mode 100644
index 0000000..c0d71f8
--- /dev/null
+++ b/src/routes/auth.router.js
@@ -0,0 +1,57 @@
+// src/routes/auth.router.js
+import express from "express";
+import { validate } from "../middlewares/validate.middleware.js";
+import { isLogin } from "../middlewares/auth.middleware.js";
+
+import {
+  handleCheckDuplicatedEmail,
+  handleLogin,
+  handleRefreshToken,
+  handleSignUp,
+  handleSendVerifyEmailCode,
+  handleCheckEmailCode,
+  handleGetAccountInfo,
+  handleResetPassword,
+  handleLogout,
+  handleCheckDuplicatedUsername,
+  handleSocialLogin,
+  handleSocialLoginCertification,
+  handleSocialLoginCallback,
+  handleChangePassword,
+} from "../controllers/auth.controller.js";
+
+import {
+  changePasswordSchema,
+  emailSchema,
+  loginSchema,
+  resetPasswordSchema,
+  SignUpSchema,
+  usernameSchema,
+  verificationConfirmCodeSchema,
+  verificationSendCodeSchema,
+} from "../schemas/auth.schema.js";
+
+const router = express.Router();
+
+router.post("/signup", validate(SignUpSchema), handleSignUp);
+router.post("/login", validate(loginSchema), handleLogin);
+
+router.get("/oauth/:provider", handleSocialLogin);
+router.post("/login/:provider", handleSocialLoginCertification, handleSocialLoginCallback);
+
+router.post("/username/exists", validate(usernameSchema), handleCheckDuplicatedUsername);
+router.post("/email/exists", validate(emailSchema), handleCheckDuplicatedEmail);
+
+router.get("/refresh", handleRefreshToken);
+
+router.post("/:type/verification-codes", validate(verificationSendCodeSchema), handleSendVerifyEmailCode);
+router.post("/:type/verification-codes/confirm", validate(verificationConfirmCodeSchema), handleCheckEmailCode);
+
+router.post("/find-id", validate(emailSchema), handleGetAccountInfo);
+
+router.patch("/reset-password", isLogin, validate(resetPasswordSchema), handleResetPassword);
+router.patch("/change-password", isLogin, validate(changePasswordSchema), handleChangePassword);
+
+router.post("/logout", isLogin, handleLogout);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/block.router.js b/src/routes/block.router.js
new file mode 100644
index 0000000..2e17b99
--- /dev/null
+++ b/src/routes/block.router.js
@@ -0,0 +1,25 @@
+// src/routes/block.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import { handleGetBlock, handlePostBlock } from "../controllers/block.controller.js";
+import { postBlockUserSchema } from "../schemas/block.schema.js";
+
+const router = express.Router();
+
+// POST /block/:targetUserId
+router.post(
+  "/:targetUserId",
+  isLogin,
+  isRestricted,
+  validate(postBlockUserSchema),
+  asyncHandler(handlePostBlock)
+);
+
+// GET /block
+router.get("/", isLogin, isRestricted, asyncHandler(handleGetBlock));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/friends.router.js b/src/routes/friends.router.js
new file mode 100644
index 0000000..54908dc
--- /dev/null
+++ b/src/routes/friends.router.js
@@ -0,0 +1,81 @@
+// src/routes/friends.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleGetFriendsList,
+  handlePostFriendsRequest,
+  handleGetIncomingFriendRequests,
+  handleGetOutgoingFriendRequests,
+  handleAcceptFriendRequest,
+  handleRejectFriendRequest,
+  handleDeleteFriendRequest,
+} from "../controllers/friend.controller.js";
+
+import {
+  postTargetUserIdAndSIdSchema,
+  requesterUserIdSchema,
+  targetUserIdSchema,
+} from "../schemas/friend.schema.js";
+
+const router = express.Router();
+
+// GET /friends
+router.get("/", isLogin, isRestricted, asyncHandler(handleGetFriendsList));
+
+// POST /friends/requests
+router.post(
+  "/requests",
+  isLogin,
+  isRestricted,
+  validate(postTargetUserIdAndSIdSchema),
+  asyncHandler(handlePostFriendsRequest)
+);
+
+// GET /friends/requests/incoming
+router.get(
+  "/requests/incoming",
+  isLogin,
+  isRestricted,
+  asyncHandler(handleGetIncomingFriendRequests)
+);
+
+// GET /friends/requests/outgoing
+router.get(
+  "/requests/outgoing",
+  isLogin,
+  isRestricted,
+  asyncHandler(handleGetOutgoingFriendRequests)
+);
+
+// POST /friends/requests/accept/:requesterUserId
+router.post(
+  "/requests/accept/:requesterUserId",
+  isLogin,
+  isRestricted,
+  validate(requesterUserIdSchema),
+  asyncHandler(handleAcceptFriendRequest)
+);
+
+// POST /friends/requests/reject/:targetUserId
+router.post(
+  "/requests/reject/:targetUserId",
+  isLogin,
+  isRestricted,
+  validate(targetUserIdSchema),
+  asyncHandler(handleRejectFriendRequest)
+);
+
+// DELETE /friends/requests/:targetUserId
+router.delete(
+  "/requests/:targetUserId",
+  isLogin,
+  isRestricted,
+  validate(targetUserIdSchema),
+  asyncHandler(handleDeleteFriendRequest)
+);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/home.router.js b/src/routes/home.router.js
new file mode 100644
index 0000000..8c2b2d0
--- /dev/null
+++ b/src/routes/home.router.js
@@ -0,0 +1,16 @@
+// src/routes/home.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { ISOTimeSchema } from "../schemas/common.schema.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import { HandleGetHomeDashboard } from "../controllers/dashboard.controller.js";
+
+const router = express.Router();
+
+// GET /home/summary
+router.get("/summary", isLogin, isRestricted, validate(ISOTimeSchema), asyncHandler(HandleGetHomeDashboard));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/index.js b/src/routes/index.js
new file mode 100644
index 0000000..7bca5eb
--- /dev/null
+++ b/src/routes/index.js
@@ -0,0 +1,50 @@
+// src/routes/index.js
+import rootRouter from "./root.router.js";
+import authRouter from "./auth.router.js";
+import usersRouter from "./users.router.js";
+import interestsRouter from "./interests.router.js";
+import friendsRouter from "./friends.router.js";
+import matchingRouter from "./matching.router.js";
+import blockRouter from "./block.router.js";
+import restrictRouter from "./restrict.router.js";
+import reportsRouter from "./reports.router.js";
+import weeklyRouter from "./weekly.router.js";
+import inquiriesRouter from "./inquiries.router.js";
+import letterRouter from "./letter.router.js";
+import questionsRouter from "./questions.router.js";
+import homeRouter from "./home.router.js";
+import mailboxRouter from "./mailbox.router.js";
+import policyRouter from "./policy.router.js";
+import noticeRouter from "./notice.router.js";
+
+export const registerRoutes = (app) => {
+  app.use("/", rootRouter);
+
+  app.use("/auth", authRouter);
+
+  app.use("/users", usersRouter);
+  app.use("/interests", interestsRouter);
+
+  app.use("/friends", friendsRouter);
+
+  app.use("/matching", matchingRouter);
+
+  app.use("/block", blockRouter);
+  app.use("/restrict", restrictRouter);
+
+  app.use("/reports", reportsRouter);
+  app.use("/weekly", weeklyRouter);
+
+  app.use("/inquiries", inquiriesRouter);
+
+  // ✅ /letter-assets, /letter/*, /letters/* 모두 여기서 처리 (URL 깨짐 없음)
+  app.use("/", letterRouter);
+
+  app.use("/questions", questionsRouter);
+  app.use("/home", homeRouter);
+
+  app.use("/mailbox", mailboxRouter);
+
+  app.use("/policies", policyRouter);
+  app.use("/notices", noticeRouter);
+};
\ No newline at end of file
diff --git a/src/routes/inquiries.router.js b/src/routes/inquiries.router.js
new file mode 100644
index 0000000..03c92a7
--- /dev/null
+++ b/src/routes/inquiries.router.js
@@ -0,0 +1,49 @@
+// src/routes/inquiries.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleInsertInquiryAsUser,
+  handleInsertInquiryAsAdmin,
+  handleGetInquiry,
+  handleGetInquiryDetail,
+} from "../controllers/inquiry.controller.js";
+
+import {
+  getInquiryDetailSchema,
+  insertInquiryAsAdminSchema,
+  insertInquiryAsUserSchema,
+} from "../schemas/inquiry.schema.js";
+
+const router = express.Router();
+
+// POST /inquiries
+router.post(
+  "/",
+  isLogin,
+  validate(insertInquiryAsUserSchema),
+  asyncHandler(handleInsertInquiryAsUser)
+);
+
+// POST /inquiries/admin
+router.post(
+  "/admin",
+  isLogin,
+  validate(insertInquiryAsAdminSchema),
+  asyncHandler(handleInsertInquiryAsAdmin)
+);
+
+// GET /inquiries
+router.get("/", isLogin, asyncHandler(handleGetInquiry));
+
+// GET /inquiries/:inquiryId
+router.get(
+  "/:inquiryId",
+  isLogin,
+  validate(getInquiryDetailSchema),
+  asyncHandler(handleGetInquiryDetail)
+);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/interests.router.js b/src/routes/interests.router.js
new file mode 100644
index 0000000..859ab2a
--- /dev/null
+++ b/src/routes/interests.router.js
@@ -0,0 +1,15 @@
+// src/routes/interests.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+import { handleGetAllInterests, handleGetMyInterests } from "../controllers/user.controller.js";
+
+const router = express.Router();
+
+// GET /interests/all
+router.get("/all", asyncHandler(handleGetAllInterests));
+
+// GET /interests
+router.get("/", isLogin, asyncHandler(handleGetMyInterests));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/letter.router.js b/src/routes/letter.router.js
new file mode 100644
index 0000000..07ed695
--- /dev/null
+++ b/src/routes/letter.router.js
@@ -0,0 +1,116 @@
+// src/routes/letter.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleGetLetterAssets,
+  handleSendMyLetter,
+  handleSendOtherLetter,
+  handleGetLetterDetail,
+  handleRemoveLetterLike,
+  handleAddLetterLike,
+  handleGetPublicLetterFromOther,
+  handleGetPublicLetterFromFriend,
+  handleGetLetterByAiKeyword,
+} from "../controllers/letter.controller.js";
+
+import { idParamSchema } from "../schemas/common.schema.js";
+import {
+  letterToMeSchema,
+  letterToOtherSchema,
+  publicCarouselSchema,
+  letterByAiKeywordSchema,
+} from "../schemas/letter.schema.js";
+
+const router = express.Router();
+
+/**
+ * 1) /letter-assets
+ * GET /letter-assets
+ */
+router.get("/letter-assets", isLogin, isRestricted, asyncHandler(handleGetLetterAssets));
+
+/**
+ * 2) /letter/*
+ * POST /letter/me
+ * POST /letter/other
+ */
+router.post(
+  "/letter/me",
+  isLogin,
+  isRestricted,
+  validate(letterToMeSchema),
+  asyncHandler(handleSendMyLetter)
+);
+
+router.post(
+  "/letter/other",
+  isLogin,
+  isRestricted,
+  validate(letterToOtherSchema),
+  asyncHandler(handleSendOtherLetter)
+);
+
+/**
+ * 3) /letters/*
+ * - 구체 경로 먼저!
+ */
+
+// GET /letters/keywords/:aiKeyword
+router.get(
+  "/letters/keywords/:aiKeyword",
+  isLogin,
+  isRestricted,
+  validate(letterByAiKeywordSchema),
+  asyncHandler(handleGetLetterByAiKeyword)
+);
+
+// GET /letters/others/public
+router.get(
+  "/letters/others/public",
+  isLogin,
+  isRestricted,
+  validate(publicCarouselSchema),
+  asyncHandler(handleGetPublicLetterFromOther)
+);
+
+// GET /letters/friends/public
+router.get(
+  "/letters/friends/public",
+  isLogin,
+  isRestricted,
+  validate(publicCarouselSchema),
+  asyncHandler(handleGetPublicLetterFromFriend)
+);
+
+// POST /letters/:letterId/like
+router.post(
+  "/letters/:letterId/like",
+  isLogin,
+  isRestricted,
+  validate(idParamSchema("letterId")),
+  asyncHandler(handleAddLetterLike)
+);
+
+// DELETE /letters/:letterId/like
+router.delete(
+  "/letters/:letterId/like",
+  isLogin,
+  isRestricted,
+  validate(idParamSchema("letterId")),
+  asyncHandler(handleRemoveLetterLike)
+);
+
+// GET /letters/:letterId   (맨 아래)
+router.get(
+  "/letters/:letterId",
+  isLogin,
+  isRestricted,
+  validate(idParamSchema("letterId")),
+  asyncHandler(handleGetLetterDetail)
+);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/mailbox.router.js b/src/routes/mailbox.router.js
new file mode 100644
index 0000000..d3c8258
--- /dev/null
+++ b/src/routes/mailbox.router.js
@@ -0,0 +1,41 @@
+// src/routes/mailbox.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleGetAnonymousThreads,
+  handleGetAnonymousThreadLetters,
+  handleGetSelfMailbox,
+  handleGetLetterFromFriend,
+} from "../controllers/mailbox.controller.js";
+
+import { sessionIdParamSchema } from "../schemas/mailbox.schema.js";
+import { idParamSchema } from "../schemas/common.schema.js";
+
+const router = express.Router();
+
+// GET /mailbox/anonymous
+router.get("/anonymous", isLogin, asyncHandler(handleGetAnonymousThreads));
+
+// GET /mailbox/anonymous/threads/:sessionId/letters
+router.get(
+  "/anonymous/threads/:sessionId/letters",
+  isLogin,
+  validate(sessionIdParamSchema),
+  asyncHandler(handleGetAnonymousThreadLetters)
+);
+
+// GET /mailbox/friends/threads/:friendId/letters
+router.get(
+  "/friends/threads/:friendId/letters",
+  isLogin,
+  validate(idParamSchema("friendId")),
+  asyncHandler(handleGetLetterFromFriend)
+);
+
+// GET /mailbox/self
+router.get("/self", isLogin, asyncHandler(handleGetSelfMailbox));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/matching.router.js b/src/routes/matching.router.js
new file mode 100644
index 0000000..0edd6f6
--- /dev/null
+++ b/src/routes/matching.router.js
@@ -0,0 +1,59 @@
+// src/routes/matching.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handlePostMatchingSession,
+  handlePatchMatchingSessionStatusDiscarded,
+  handlePatchMatchingSessionStatusFriends,
+  handlePostSessionReview,
+} from "../controllers/session.controller.js";
+
+import {
+  postMatchingSessionSchema,
+  postSessionReviewSchema,
+  patchMatchingSessionStatusSchema,
+} from "../schemas/session.schema.js";
+
+const router = express.Router();
+
+// POST /matching/sessions/:questionId
+router.post(
+  "/sessions/:questionId",
+  isLogin,
+  isRestricted,
+  validate(postMatchingSessionSchema),
+  asyncHandler(handlePostMatchingSession)
+);
+
+// PATCH /matching/sessions/:sessionId/friends
+router.patch(
+  "/sessions/:sessionId/friends",
+  isLogin,
+  isRestricted,
+  validate(patchMatchingSessionStatusSchema),
+  asyncHandler(handlePatchMatchingSessionStatusFriends)
+);
+
+// PATCH /matching/sessions/:sessionId/discards
+router.patch(
+  "/sessions/:sessionId/discards",
+  isLogin,
+  isRestricted,
+  validate(patchMatchingSessionStatusSchema),
+  asyncHandler(handlePatchMatchingSessionStatusDiscarded)
+);
+
+// POST /matching/sessions/:sessionId/reviews
+router.post(
+  "/sessions/:sessionId/reviews",
+  isLogin,
+  isRestricted,
+  validate(postSessionReviewSchema),
+  asyncHandler(handlePostSessionReview)
+);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/notice.router.js b/src/routes/notice.router.js
new file mode 100644
index 0000000..9e48418
--- /dev/null
+++ b/src/routes/notice.router.js
@@ -0,0 +1,17 @@
+// src/routes/notice.router.js
+import express from "express";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import { handleGetNotices, handleGetNoticeDetail } from "../controllers/notice.controller.js";
+import { noticeIdParamSchema } from "../schemas/notice.schema.js";
+
+const router = express.Router();
+
+// GET /notices
+router.get("/", asyncHandler(handleGetNotices));
+
+// GET /notices/:noticeId
+router.get("/:noticeId", validate(noticeIdParamSchema), asyncHandler(handleGetNoticeDetail));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/policy.router.js b/src/routes/policy.router.js
new file mode 100644
index 0000000..280f1b0
--- /dev/null
+++ b/src/routes/policy.router.js
@@ -0,0 +1,22 @@
+// src/routes/policy.router.js
+import express from "express";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleGetCommunityGuidelines,
+  handleGetTerms,
+  handleGetPrivacy,
+} from "../controllers/policy.controller.js";
+
+const router = express.Router();
+
+// GET /policies/community-guidelines
+router.get("/community-guidelines", asyncHandler(handleGetCommunityGuidelines));
+
+// GET /policies/terms
+router.get("/terms", asyncHandler(handleGetTerms));
+
+// GET /policies/privacy
+router.get("/privacy", asyncHandler(handleGetPrivacy));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/questions.router.js b/src/routes/questions.router.js
new file mode 100644
index 0000000..1f35edb
--- /dev/null
+++ b/src/routes/questions.router.js
@@ -0,0 +1,13 @@
+// src/routes/questions.router.js
+import express from "express";
+import { validate } from "../middlewares/validate.middleware.js";
+import { ISOTimeSchema } from "../schemas/common.schema.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+import { handleGetTodayQuestion } from "../controllers/question.controller.js";
+
+const router = express.Router();
+
+// GET /questions/today
+router.get("/today", validate(ISOTimeSchema), asyncHandler(handleGetTodayQuestion));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/reports.router.js b/src/routes/reports.router.js
new file mode 100644
index 0000000..9af7f64
--- /dev/null
+++ b/src/routes/reports.router.js
@@ -0,0 +1,39 @@
+// src/routes/reports.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleInsertUserReport,
+  handleGetUserReports,
+  handleGetUserReport,
+} from "../controllers/report.controller.js";
+
+import { insertUserReportSchema, getUserReportSchema } from "../schemas/report.schema.js";
+
+const router = express.Router();
+
+// POST /reports
+router.post(
+  "/",
+  isLogin,
+  isRestricted,
+  validate(insertUserReportSchema),
+  asyncHandler(handleInsertUserReport)
+);
+
+// GET /reports
+router.get("/", isLogin, isRestricted, asyncHandler(handleGetUserReports));
+
+// GET /reports/:reportId
+router.get(
+  "/:reportId",
+  isLogin,
+  isRestricted,
+  validate(getUserReportSchema),
+  asyncHandler(handleGetUserReport)
+);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/restrict.router.js b/src/routes/restrict.router.js
new file mode 100644
index 0000000..6e03b80
--- /dev/null
+++ b/src/routes/restrict.router.js
@@ -0,0 +1,12 @@
+// src/routes/restrict.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+import { handleGetRestrict } from "../controllers/restrict.controller.js";
+
+const router = express.Router();
+
+// GET /restrict
+router.get("/", isLogin, asyncHandler(handleGetRestrict));
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/root.router.js b/src/routes/root.router.js
new file mode 100644
index 0000000..cc1f425
--- /dev/null
+++ b/src/routes/root.router.js
@@ -0,0 +1,18 @@
+// src/routes/root.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+
+const router = express.Router();
+
+router.get("/", (req, res) => {
+  res.send("Hello World! Server is running.");
+});
+
+router.get("/mypage", isLogin, (req, res) => {
+  res.status(200).success({
+    message: `인증 성공! ${req.user.name}님의 마이페이지입니다.`,
+    user: req.user,
+  });
+});
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/users.router.js b/src/routes/users.router.js
new file mode 100644
index 0000000..2dc4d55
--- /dev/null
+++ b/src/routes/users.router.js
@@ -0,0 +1,87 @@
+// src/routes/users.router.js
+import express from "express";
+import multer from "multer";
+
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { validate } from "../middlewares/validate.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+
+import {
+  handleCreateUserAgreements,
+  handlePatchOnboardingStep1,
+  handleUpdateMyOnboardingInterests,
+  handleGetMyNotificationSettings,
+  handleUpdateMyNotificationSettings,
+  handleGetMyProfile,
+  handlePatchMyProfile,
+  handlePostMyProfileImage,
+  handlePutMyPushSubscription,
+  handleGetMyConsents,
+  handlePatchMyConsents,
+  handleUpdateActivity,
+} from "../controllers/user.controller.js";
+
+import { handleWithdrawUser } from "../controllers/auth.controller.js";
+import { handleGetUserLetterStats } from "../controllers/letter.controller.js";
+
+import {
+  pushSubscriptionSchema,
+  onboardingStep1Schema,
+  updateInterestsSchema,
+  updateProfileSchema,
+  updateNotificationSettingsSchema,
+  updateConsentsSchema,
+  updateActivitySchema,
+  createUserAgreementsSchema,
+} from "../schemas/user.schema.js";
+
+import { ISOTimeSchema } from "../schemas/common.schema.js";
+
+const router = express.Router();
+const upload = multer({ storage: multer.memoryStorage() });
+
+// DELETE /users
+router.delete("/", isLogin, asyncHandler(handleWithdrawUser));
+
+// POST /users/me/agreements
+router.post("/me/agreements", isLogin, validate(createUserAgreementsSchema), asyncHandler(handleCreateUserAgreements));
+
+// 온보딩
+router.patch("/me/onboarding", isLogin, validate(onboardingStep1Schema), asyncHandler(handlePatchOnboardingStep1));
+router.put("/me/onboarding/interests", isLogin, validate(updateInterestsSchema), asyncHandler(handleUpdateMyOnboardingInterests));
+
+// 알람 설정
+router.patch(
+  "/me/notification-settings",
+  isLogin,
+  validate(updateNotificationSettingsSchema),
+  asyncHandler(handleUpdateMyNotificationSettings)
+);
+router.get("/me/notification-settings", isLogin, asyncHandler(handleGetMyNotificationSettings));
+
+// 동의
+router.get("/me/consents", isLogin, asyncHandler(handleGetMyConsents));
+router.patch("/me/consents", isLogin, validate(updateConsentsSchema), asyncHandler(handlePatchMyConsents));
+
+// 푸시 구독
+router.put("/me/push-subscriptions", isLogin, validate(pushSubscriptionSchema), asyncHandler(handlePutMyPushSubscription));
+
+// 프로필
+router.get("/me/profile", isLogin, asyncHandler(handleGetMyProfile));
+router.patch("/me/profile", isLogin, validate(updateProfileSchema), asyncHandler(handlePatchMyProfile));
+router.post("/me/profile/image", isLogin, upload.single("image"), asyncHandler(handlePostMyProfileImage));
+
+// 활동 시간 추적
+router.post("/me/activity", isLogin, validate(updateActivitySchema), asyncHandler(handleUpdateActivity));
+
+// 편지 여행 카드 데이터 조회 (기존 그대로 유지)
+router.get(
+  "/me/letters/stats",
+  isLogin,
+  isRestricted,
+  validate(ISOTimeSchema),
+  asyncHandler(handleGetUserLetterStats)
+);
+
+export default router;
\ No newline at end of file
diff --git a/src/routes/weekly.router.js b/src/routes/weekly.router.js
new file mode 100644
index 0000000..e5242c2
--- /dev/null
+++ b/src/routes/weekly.router.js
@@ -0,0 +1,13 @@
+// src/routes/weekly.router.js
+import express from "express";
+import { isLogin } from "../middlewares/auth.middleware.js";
+import { isRestricted } from "../middlewares/restriction.middleware.js";
+import { asyncHandler } from "../utils/asyncHandler.js";
+import { handleGetWeeklyReport } from "../controllers/weeklyReport.controller.js";
+
+const router = express.Router();
+
+// GET /weekly/reports
+router.get("/reports", isLogin, isRestricted, asyncHandler(handleGetWeeklyReport));
+
+export default router;
\ No newline at end of file
diff --git a/src/utils/asyncHandler.js b/src/utils/asyncHandler.js
new file mode 100644
index 0000000..792d42e
--- /dev/null
+++ b/src/utils/asyncHandler.js
@@ -0,0 +1,4 @@
+// src/utils/asyncHandler.js
+export const asyncHandler = (fn) => (req, res, next) => {
+  Promise.resolve(fn(req, res, next)).catch(next);
+};
\ No newline at end of file