diff --git a/src/api/applicationApi.ts b/src/api/applicationApi.ts
new file mode 100644
index 00000000..a53bc455
--- /dev/null
+++ b/src/api/applicationApi.ts
@@ -0,0 +1,65 @@
+import type { NoticeInfo } from './alertApi';
+import type { ShopInfo } from './shopApi';
+import type { UserProfileItem } from './userApi';
+
+export interface LinkInfo {
+  rel: string;
+  description: string;
+  method: string;
+  href: string;
+}
+
+export interface ApplicationItem {
+  id: string;
+  status: 'pending' | 'accepted' | 'rejected' | 'canceled';
+  createdAt: string;
+}
+
+export interface ApplicationUserItem extends ApplicationItem {
+  shop: ShopInfo;
+  notice: NoticeInfo;
+}
+
+export interface ApplicationNoticeItem extends ApplicationUserItem {
+  user: {
+    item: UserProfileItem;
+    href: string;
+  };
+}
+
+export interface ApplicationUserInfo {
+  item: ApplicationUserItem;
+  link: LinkInfo[];
+}
+
+// POST /shops/{shop_id}/notices/{notice_id}/applications - 가게의 특정 공고 지원 등록 response
+// PUT /shops/{shop_id}/notices/{notice_id}/applications/{application_id} - 가게의 특정 공고 지원 승인, 거절 또는 취소 response
+export interface ApplicationNoticeInfo {
+  item: ApplicationNoticeItem;
+  link: LinkInfo[];
+}
+
+// GET /users/{user_id}/applications - 유저의 지원 목록 조회 response
+export interface ApplicationUserResponse {
+  offset: number;
+  limit: number;
+  count: number;
+  hasNext: boolean;
+  items: ApplicationUserInfo[];
+  link: LinkInfo[];
+}
+
+// GET /shops/{shop_id}/notices/{notice_id}/applications - 가게의 특정 공고의 지원 목록 조회 response
+export interface ApplicationNoticeResponse {
+  offset: number;
+  limit: number;
+  count: number;
+  hasNext: boolean;
+  items: ApplicationNoticeInfo[];
+  link: LinkInfo[];
+}
+
+// PUT /shops/{shop_id}/notices/{notice_id}/applications/{application_id} - 가게의 특정 공고 지원 승인, 거절 또는 취소 request
+export interface ApplicationRequest {
+  status: 'accepted' | 'rejected' | 'canceled';
+}
diff --git a/src/api/noticeApi.ts b/src/api/noticeApi.ts
index a04759f0..fa2d0dfb 100644
--- a/src/api/noticeApi.ts
+++ b/src/api/noticeApi.ts
@@ -1,3 +1,4 @@
+import type { ApplicationItem } from './applicationApi';
 import type { ShopInfo } from './shopApi';
 
 // Link (공통 링크 타입)
@@ -8,13 +9,6 @@ export interface LinkInfo {
   href: string;
 }
 
-// Application (신청 상태)
-export interface ApplicationItem {
-  id: string;
-  status: 'pending' | 'accepted' | 'rejected' | 'canceled';
-  createdAt: string;
-}
-
 // 공통 Notice Item
 export interface NoticeItem {
   id: string;