diff --git a/src/main/java/com/sparta/tdd/domain/coupon/controller/CouponController.java b/src/main/java/com/sparta/tdd/domain/coupon/controller/CouponController.java
index 1e46880f..2fe48fd9 100644
--- a/src/main/java/com/sparta/tdd/domain/coupon/controller/CouponController.java
+++ b/src/main/java/com/sparta/tdd/domain/coupon/controller/CouponController.java
@@ -4,6 +4,7 @@
 import com.sparta.tdd.domain.coupon.dto.CouponRequestDto;
 import com.sparta.tdd.domain.coupon.dto.CouponResponseDto;
 import com.sparta.tdd.domain.coupon.service.CouponService;
+import io.swagger.v3.oas.annotations.Operation;
 import jakarta.validation.Valid;
 import java.util.List;
 import java.util.UUID;
@@ -28,12 +29,22 @@ public class CouponController {
 
     private final CouponService couponService;
 
+    @Operation(
+        summary = "가게 쿠폰 목록 조회",
+        description = "해당 가게의 모든 쿠폰을 조회합니다."
+    )
     @GetMapping("/list/{storeId}")
     public ResponseEntity<List<CouponResponseDto>> getStoreCoupons(@PathVariable UUID storeId) {
         return ResponseEntity.status(HttpStatus.OK)
             .body(couponService.getStoreCoupons(storeId));
     }
 
+    @Operation(
+        summary = "STORE 쿠폰 등록",
+        description =
+            "해당 가게에만 적용할 수 있는 STORE 쿠폰을 발급합니다. OWNER, MASTER 권한만 접근 가능하며, 쿠폰 발급 시 최초 쿠폰 SCOPE는 STORE입니다."
+                + "TYPE 에서 FIXED(고정된 할인값), PERCENT(할인율)을 선택할 수 있으며 사용가능한 최소 금액과 만료기간을 필수로 입력해야 합니다."
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @PostMapping("/{storeId}")
     public ResponseEntity<CouponResponseDto> createStoreCoupon(@PathVariable UUID storeId,
@@ -43,6 +54,12 @@ public ResponseEntity<CouponResponseDto> createStoreCoupon(@PathVariable UUID st
             .body(couponService.createStoreCoupon(storeId, dto, userDetails.getUserId()));
     }
 
+    @Operation(
+        summary = "MASTER 쿠폰 등록",
+        description =
+            "가게와 무관하게 적용할 수 있는 MASTER 쿠폰을 발급합니다. MASTER 권한만 접근 가능하며, 쿠폰 발급 시 최초 쿠폰 SCOPE는 MASTER입니다."
+                + "TYPE 에서 FIXED(고정된 할인값), PERCENT(할인율)을 선택할 수 있으며 사용가능한 최소 금액과 만료기간을 필수로 입력해야 합니다."
+    )
     @PreAuthorize("hasAnyRole('MASTER')")
     @PostMapping("/master")
     public ResponseEntity<CouponResponseDto> createMasterCoupon(
@@ -51,6 +68,10 @@ public ResponseEntity<CouponResponseDto> createMasterCoupon(
             .body(couponService.createMasterCoupon(dto));
     }
 
+    @Operation(
+        summary = "쿠폰 수정",
+        description = "쿠폰을 수정합니다. 해당 가게 점주(OWNER), MASTER 권한만 가능하며 이미 1회라도 사용자가 발급했다면 수정할 수 없습니다."
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @PatchMapping("/{storeId}/{couponId}")
     public ResponseEntity<Void> updateCoupon(@PathVariable UUID storeId,
@@ -61,6 +82,12 @@ public ResponseEntity<Void> updateCoupon(@PathVariable UUID storeId,
         return ResponseEntity.noContent().build();
     }
 
+    @Operation(
+        summary = "쿠폰 삭제",
+        description =
+            "쿠폰을 삭제합니다(sort delete). 해당 가게 점주(OWNER), MASTER 권한만 가능하며 해당 쿠폰이 삭제되어도(추가 발급 불가)"
+                + " 이미 발급된 유저쿠폰은 적용할 수 있습니다."
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @DeleteMapping("/{storeId}/{couponId}")
     public ResponseEntity<Void> deleteCoupon(@PathVariable UUID storeId,
diff --git a/src/main/java/com/sparta/tdd/domain/coupon/controller/UserCouponController.java b/src/main/java/com/sparta/tdd/domain/coupon/controller/UserCouponController.java
index 414df85f..a3cdfc9a 100644
--- a/src/main/java/com/sparta/tdd/domain/coupon/controller/UserCouponController.java
+++ b/src/main/java/com/sparta/tdd/domain/coupon/controller/UserCouponController.java
@@ -3,6 +3,7 @@
 import com.sparta.tdd.domain.auth.UserDetailsImpl;
 import com.sparta.tdd.domain.coupon.dto.UserCouponResponseDto;
 import com.sparta.tdd.domain.coupon.service.UserCouponService;
+import io.swagger.v3.oas.annotations.Operation;
 import java.util.List;
 import java.util.UUID;
 import lombok.RequiredArgsConstructor;
@@ -24,7 +25,11 @@ public class UserCouponController {
 
     private final UserCouponService userCouponService;
 
-
+    @Operation(
+        summary = "내 쿠폰 목록 조회",
+        description = "사용자의 쿠폰 목록을 조회합니다. CUSTOMER와 MASTER 권한만 가능하며, ACTIVE 상태 쿠폰부터 최신 발급 순 "
+            + "> USED/EXPIRED 상태 쿠폰 최신 발급 순으로 조회됩니다. 만료 후 7일이 지난 쿠폰은 조회되지 않습니다."
+    )
     @GetMapping("/my/list")
     public ResponseEntity<List<UserCouponResponseDto>> getMyCoupons(
         @AuthenticationPrincipal UserDetailsImpl userDetails) {
@@ -32,6 +37,10 @@ public ResponseEntity<List<UserCouponResponseDto>> getMyCoupons(
             .body(userCouponService.getMyCoupons(userDetails.getUserId()));
     }
 
+    @Operation(
+        summary = "유저쿠폰 발급",
+        description = "쿠폰을 발급하여 유저쿠폰을 생성합니다. CUSTOMER와 MASTER 권한만 가능하며, 발급된 유저쿠폰의 최초 CouponStatus는 ACTIVE 입니다."
+    )
     @PostMapping("/{couponId}")
     public ResponseEntity<UserCouponResponseDto> createUserCoupon(@PathVariable UUID couponId,
         @AuthenticationPrincipal UserDetailsImpl userDetails) {
diff --git a/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponRequestDto.java b/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponRequestDto.java
index 975146ac..957d4dff 100644
--- a/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponRequestDto.java
+++ b/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponRequestDto.java
@@ -4,19 +4,28 @@
 import com.sparta.tdd.domain.coupon.enums.Scope;
 import com.sparta.tdd.domain.coupon.enums.Type;
 import com.sparta.tdd.domain.store.entity.Store;
+import io.swagger.v3.oas.annotations.media.Schema;
 import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Size;
 import java.time.LocalDateTime;
 import lombok.Builder;
 
+@Schema(description = "쿠폰 요청 DTO")
 @Builder
 public record CouponRequestDto(
+    @Schema(description = "쿠폰 이름", example = "2000원 할인 쿠폰")
     @NotNull @Size(max = 20) String name,
+    @Schema(description = "할인 종류", example = "FIXED")
     @NotNull Type type,
+    @Schema(description = "사용 범위", example = "STORE")
     @NotNull Scope scope,
+    @Schema(description = "할인값", example = "2000")
     @NotNull Integer discountValue,
+    @Schema(description = "최소 주문 금액", example = "15000")
     @NotNull Integer minOrderPrice,
+    @Schema(description = "발행 개수", example = "100")
     int quantity,
+    @Schema(description = "만료일자", example = "2025-09-29T12:00:00.000000000")
     @NotNull LocalDateTime expiredAt
 ) {
 
diff --git a/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponResponseDto.java b/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponResponseDto.java
index b0bdd794..402ab71d 100644
--- a/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponResponseDto.java
+++ b/src/main/java/com/sparta/tdd/domain/coupon/dto/CouponResponseDto.java
@@ -3,20 +3,31 @@
 import com.sparta.tdd.domain.coupon.entity.Coupon;
 import com.sparta.tdd.domain.coupon.enums.Scope;
 import com.sparta.tdd.domain.coupon.enums.Type;
+import io.swagger.v3.oas.annotations.media.Schema;
 import java.time.LocalDateTime;
 import java.util.UUID;
 import lombok.Builder;
 
+@Schema(description = "쿠폰 응답 DTO")
 @Builder
 public record CouponResponseDto(
+    @Schema(description = "쿠폰 ID", example = "551e8400-e29b-41d4-a716-446655440001")
     UUID couponId,
+    @Schema(description = "쿠폰 이름", example = "2000원 할인 쿠폰")
     String name,
+    @Schema(description = "할인 종류", example = "FIXED")
     Type type,
+    @Schema(description = "사용 범위", example = "STORE")
     Scope scope,
+    @Schema(description = "할인값", example = "2000")
     Integer discountValue,
+    @Schema(description = "최소 주문 금액", example = "15000")
     Integer minOrderPrice,
+    @Schema(description = "발행 개수", example = "100")
     int quantity,
+    @Schema(description = "발급된 수량", example = "30")
     int issuedCount,
+    @Schema(description = "만료일자", example = "2025-09-29T12:00:00.000000000")
     LocalDateTime expiredAt
 ) {
 
diff --git a/src/main/java/com/sparta/tdd/domain/coupon/dto/UserCouponResponseDto.java b/src/main/java/com/sparta/tdd/domain/coupon/dto/UserCouponResponseDto.java
index 90ebf09c..aac84834 100644
--- a/src/main/java/com/sparta/tdd/domain/coupon/dto/UserCouponResponseDto.java
+++ b/src/main/java/com/sparta/tdd/domain/coupon/dto/UserCouponResponseDto.java
@@ -2,14 +2,20 @@
 
 import com.sparta.tdd.domain.coupon.entity.UserCoupon;
 import com.sparta.tdd.domain.coupon.enums.CouponStatus;
+import io.swagger.v3.oas.annotations.media.Schema;
 import java.util.UUID;
 import lombok.Builder;
 
+@Schema(description = "유저쿠폰 응답 DTO")
 @Builder
 public record UserCouponResponseDto(
+    @Schema(description = "유저쿠폰 ID", example = "550e8400-e29b-41d4-a716-446655440000")
     UUID userCouponId,
+    @Schema(description = "유저 ID", example = "1")
     Long userId,
+    @Schema(description = "쿠폰 ID", example = "551e8400-e29b-41d4-a716-446655440001")
     UUID couponId,
+    @Schema(description = "유저 쿠폰 상태", example = "ACTIVE")
     CouponStatus couponStatus
 ) {
 
diff --git a/src/main/java/com/sparta/tdd/domain/menu/controller/MenuController.java b/src/main/java/com/sparta/tdd/domain/menu/controller/MenuController.java
index dc5bb333..b6d00aa5 100644
--- a/src/main/java/com/sparta/tdd/domain/menu/controller/MenuController.java
+++ b/src/main/java/com/sparta/tdd/domain/menu/controller/MenuController.java
@@ -5,6 +5,8 @@
 import com.sparta.tdd.domain.menu.dto.MenuResponseDto;
 import com.sparta.tdd.domain.menu.service.MenuService;
 import com.sparta.tdd.domain.user.enums.UserAuthority;
+import io.swagger.v3.oas.annotations.Operation;
+import jakarta.validation.Valid;
 import java.util.List;
 import java.util.UUID;
 import lombok.RequiredArgsConstructor;
@@ -29,6 +31,10 @@ public class MenuController {
 
     private final MenuService menuService;
 
+    @Operation(
+        summary = "메뉴 목록 조회",
+        description = "가게의 메뉴 목록을 조회합니다. OWERN나 MASTER가 아니면 숨겨진 메뉴를 볼 수 없습니다."
+    )
     @GetMapping("/{storeId}/menu")
     public ResponseEntity<List<MenuResponseDto>> getMenus(@PathVariable UUID storeId,
         @AuthenticationPrincipal UserDetailsImpl userDetails) {
@@ -37,6 +43,10 @@ public ResponseEntity<List<MenuResponseDto>> getMenus(@PathVariable UUID storeId
             .body(menuService.getMenus(storeId, authority));
     }
 
+    @Operation(
+        summary = "메뉴 상세 조회",
+        description = "가게의 특정 메뉴를 조회합니다. OWNER나 MASTER가 아니면 숨겨진 메뉴를 볼 수 없습니다. "
+    )
     @GetMapping("/{storeId}/menu/{menuId}")
     public ResponseEntity<MenuResponseDto> getMenu(@PathVariable UUID storeId,
         @PathVariable UUID menuId,
@@ -46,16 +56,24 @@ public ResponseEntity<MenuResponseDto> getMenu(@PathVariable UUID storeId,
             .body(menuService.getMenu(storeId, menuId, authority));
     }
 
+    @Operation(
+        summary = "메뉴 등록",
+        description = "가게의 메뉴를 등록합니다. OWNER나 MASTER만 가능하며, 해당 가게 점주가 아니라면 예외가 발생합니다. "
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @PostMapping("/{storeId}/menu")
     public ResponseEntity<MenuResponseDto> createMenu(@PathVariable UUID storeId,
-        @RequestBody MenuRequestDto menuRequestDto,
+        @Valid @RequestBody MenuRequestDto menuRequestDto,
         @AuthenticationPrincipal UserDetailsImpl userDetails) {
         Long userId = userDetails.getUserId();
         return ResponseEntity.status(HttpStatus.CREATED)
             .body(menuService.createMenu(storeId, menuRequestDto, userId));
     }
 
+    @Operation(
+        summary = "메뉴 수정",
+        description = "가게의 메뉴를 수정합니다. OWNER나 MASTER만 가능하며, 해당 가게 점주가 아니라면 예외가 발생합니다. "
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @PatchMapping("/{storeId}/menu/{menuId}")
     public ResponseEntity<Void> updateMenu(@PathVariable UUID storeId, @PathVariable UUID menuId,
@@ -66,6 +84,10 @@ public ResponseEntity<Void> updateMenu(@PathVariable UUID storeId, @PathVariable
         return ResponseEntity.noContent().build();
     }
 
+    @Operation(
+        summary = "메뉴 상태 변경",
+        description = "가게의 메뉴 상태를 변경합니다. 메뉴를 숨기거나, 공개할 수 있습니다. OWNER나 MASTER만 가능하며, 해당 가게 점주가 아니라면 예외가 발생합니다. "
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @PatchMapping("/{storeId}/menu/{menuId}/status")
     public ResponseEntity<Void> updateMenuStatus(@PathVariable UUID storeId,
@@ -77,6 +99,10 @@ public ResponseEntity<Void> updateMenuStatus(@PathVariable UUID storeId,
         return ResponseEntity.noContent().build();
     }
 
+    @Operation(
+        summary = "메뉴 삭제",
+        description = "가게의 메뉴를 삭제합니다. OWNER나 MASTER만 가능하며, 해당 가게 점주가 아니라면 예외가 발생합니다. 메뉴는 soft delete 됩니다. "
+    )
     @PreAuthorize("hasAnyRole('OWNER', 'MASTER')")
     @DeleteMapping("/{storeId}/menu/{menuId}")
     public ResponseEntity<Void> deleteMenu(@PathVariable UUID storeId, @PathVariable UUID menuId,
diff --git a/src/main/java/com/sparta/tdd/domain/menu/dto/MenuRequestDto.java b/src/main/java/com/sparta/tdd/domain/menu/dto/MenuRequestDto.java
index 08d98b65..14e0b3d5 100644
--- a/src/main/java/com/sparta/tdd/domain/menu/dto/MenuRequestDto.java
+++ b/src/main/java/com/sparta/tdd/domain/menu/dto/MenuRequestDto.java
@@ -2,13 +2,19 @@
 
 import com.sparta.tdd.domain.menu.entity.Menu;
 import com.sparta.tdd.domain.store.entity.Store;
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
 import lombok.Builder;
 
+@Schema(description = "메뉴 등록 및 수정 요청 DTO")
 @Builder
 public record MenuRequestDto(
-    String name,
+    @Schema(description = "메뉴 설명", example = "바삭한 치킨과 신선한 야채가 들어간 버거")
+    @NotNull @Size(max = 20) String name,
     String description,
-    Integer price,
+    @Schema(description = "가격", example = "10000")
+    @NotNull Integer price,
     String imageUrl
 ) {
 
diff --git a/src/main/java/com/sparta/tdd/domain/menu/dto/MenuResponseDto.java b/src/main/java/com/sparta/tdd/domain/menu/dto/MenuResponseDto.java
index 114d3206..27c03dde 100644
--- a/src/main/java/com/sparta/tdd/domain/menu/dto/MenuResponseDto.java
+++ b/src/main/java/com/sparta/tdd/domain/menu/dto/MenuResponseDto.java
@@ -1,16 +1,24 @@
 package com.sparta.tdd.domain.menu.dto;
 
 import com.sparta.tdd.domain.menu.entity.Menu;
+import io.swagger.v3.oas.annotations.media.Schema;
 import java.util.UUID;
 import lombok.Builder;
 
+@Schema(description = "메뉴 응답 DTO")
 @Builder
 public record MenuResponseDto(
+    @Schema(description = "menu 아이디", example = "1")
     UUID menuId,
+    @Schema(description = "메뉴명", example = "햄버거")
     String name,
+    @Schema(description = "메뉴 설명", example = "바삭한 치킨과 신선한 야채가 들어간 버거")
     String description,
+    @Schema(description = "가격", example = "10000")
     Integer price,
+    @Schema(description = "메뉴 이미지 URL", example = "https://example.com/images/chicken-burger.jpg")
     String imageUrl,
+    @Schema(description = "숨김 여부", example = "Boolean.False")
     Boolean isHidden
 ) {
 
diff --git a/src/main/java/com/sparta/tdd/domain/menu/service/MenuService.java b/src/main/java/com/sparta/tdd/domain/menu/service/MenuService.java
index ad172293..680744b1 100644
--- a/src/main/java/com/sparta/tdd/domain/menu/service/MenuService.java
+++ b/src/main/java/com/sparta/tdd/domain/menu/service/MenuService.java
@@ -9,6 +9,8 @@
 import com.sparta.tdd.domain.user.entity.User;
 import com.sparta.tdd.domain.user.enums.UserAuthority;
 import com.sparta.tdd.domain.user.repository.UserRepository;
+import com.sparta.tdd.global.exception.BusinessException;
+import com.sparta.tdd.global.exception.ErrorCode;
 import java.util.List;
 import java.util.UUID;
 import lombok.RequiredArgsConstructor;
@@ -40,7 +42,7 @@ public List<MenuResponseDto> getMenus(UUID storeId, UserAuthority authority) {
     public MenuResponseDto getMenu(UUID storeId, UUID menuId, UserAuthority authority) {
         Menu menu = findMenu(storeId, menuId);
         if (authority.isCustomerOrManager() && menu.isHidden()) {
-            throw new IllegalArgumentException("숨겨진 메뉴입니다.");
+            throw new BusinessException(ErrorCode.MENU_HIDDEN);
         }
         return MenuResponseDto.from(menu);
     }
@@ -89,22 +91,22 @@ public void deleteMenu(UUID storeId, UUID menuId, Long userId) {
 
     private Menu findMenu(UUID storeId, UUID menuId) {
         return menuRepository.findByIdAndStoreIdAndIsDeletedFalse(menuId, storeId)
-            .orElseThrow(() -> new IllegalArgumentException("존재하지 않는 메뉴입니다."));
+            .orElseThrow(() -> new BusinessException(ErrorCode.MENU_NOT_FOUND));
     }
 
     private Store findStore(UUID storeId) {
         return storeRepository.findById(storeId)
-            .orElseThrow(() -> new IllegalArgumentException("존재하지 않는 가게입니다."));
+            .orElseThrow(() -> new BusinessException(ErrorCode.STORE_NOT_FOUND));
     }
 
     private User findUser(Long userId) {
         return userRepository.findById(userId)
-            .orElseThrow(() -> new IllegalArgumentException("존재하지 않는 사용자입니다."));
+            .orElseThrow(() -> new BusinessException(ErrorCode.USER_NOT_FOUND));
     }
 
     private void validateUserOnMenu(User user, Store store) {
         if (!store.isOwner(user)) {
-            throw new IllegalArgumentException("권한이 없는 사용자입니다.");
+            throw new BusinessException(ErrorCode.MENU_PERMISSION_DENIED);
         }
     }
 }
diff --git a/src/main/java/com/sparta/tdd/global/exception/ErrorCode.java b/src/main/java/com/sparta/tdd/global/exception/ErrorCode.java
index 14af4a79..f00223a7 100644
--- a/src/main/java/com/sparta/tdd/global/exception/ErrorCode.java
+++ b/src/main/java/com/sparta/tdd/global/exception/ErrorCode.java
@@ -46,6 +46,8 @@ public enum ErrorCode {
     ORDER_NOT_FOUND(HttpStatus.NOT_FOUND, "존재하지 않는 주문입니다."),
 
     // MENU 도메인 관련
+    MENU_HIDDEN(HttpStatus.FORBIDDEN, "숨겨진 메뉴입니다."),
+    MENU_PERMISSION_DENIED(HttpStatus.FORBIDDEN, "해당 메뉴에 대한 권한이 없습니다."),
 
     // REVIEW 도메인 관련
     REVIEW_NOT_OWNED(HttpStatus.FORBIDDEN, "본인의 리뷰만 수정/삭제할 수 있습니다."),
diff --git a/src/test/java/com/sparta/tdd/domain/menu/MenuIntegrationTest.java b/src/test/java/com/sparta/tdd/domain/menu/MenuIntegrationTest.java
index de60d569..ceacc0c0 100644
--- a/src/test/java/com/sparta/tdd/domain/menu/MenuIntegrationTest.java
+++ b/src/test/java/com/sparta/tdd/domain/menu/MenuIntegrationTest.java
@@ -264,7 +264,7 @@ void ownerDeletesMenu() throws Exception {
             mockMvc.perform(
                     get("/v1/store/{storeId}/menu/{menuId}", storeId, menuId)
                         .with(csrf()))
-                .andExpectAll(status().isBadRequest());
+                .andExpectAll(status().isNotFound());
         }
 
         @Test
diff --git a/src/test/java/com/sparta/tdd/domain/menu/service/MenuServiceTest.java b/src/test/java/com/sparta/tdd/domain/menu/service/MenuServiceTest.java
index 167e0c73..5461f4e1 100644
--- a/src/test/java/com/sparta/tdd/domain/menu/service/MenuServiceTest.java
+++ b/src/test/java/com/sparta/tdd/domain/menu/service/MenuServiceTest.java
@@ -20,6 +20,7 @@
 import com.sparta.tdd.domain.user.entity.User;
 import com.sparta.tdd.domain.user.enums.UserAuthority;
 import com.sparta.tdd.domain.user.repository.UserRepository;
+import com.sparta.tdd.global.exception.BusinessException;
 import java.lang.reflect.Field;
 import java.util.List;
 import java.util.Optional;
@@ -170,7 +171,7 @@ void getMenusCustomerTest() {
                 .thenReturn(Optional.of(menu2));
 
             // when & then
-            assertThrows(IllegalArgumentException.class,
+            assertThrows(BusinessException.class,
                 () -> menuService.getMenu(store.getId(), menu2.getId(),
                     customer.getAuthority()));
             verify(menuRepository, times(1)).findByIdAndStoreIdAndIsDeletedFalse(menu2.getId(), store.getId());