diff --git a/api.ts b/api.ts
index a092085..c89dc8d 100644
--- a/api.ts
+++ b/api.ts
@@ -57,6 +57,10 @@ export * from './api/other/internalError/response';
 export * from './api/other/lang';
 export * from './api/other/unit';
 
+export * from './api/user/subscription/key';
+export * from './api/user/subscription/update/payload';
+export * from './api/user/subscription/update/response';
+
 export * from './api/endpoints';
 export * from './api/responseCode';
 export * from './api/utils';
diff --git a/api/endpoints.ts b/api/endpoints.ts
index 62eb6be..7a7c81d 100644
--- a/api/endpoints.ts
+++ b/api/endpoints.ts
@@ -46,6 +46,8 @@ export enum ApiEndPoints {
 
   PRESET_ATK_SKILL_INPUT = '/preset/atk-skill',
 
+  USER_SUBSCRIPTIONS = '/user/subscriptions',
+
   // These shouldn't be used in any cases besides CI
   NOT_EXISTS = '/404',
   ERROR_TEST = '/500',
diff --git a/api/user/subscription/key.ts b/api/user/subscription/key.ts
new file mode 100644
index 0000000..d7fb5ae
--- /dev/null
+++ b/api/user/subscription/key.ts
@@ -0,0 +1,22 @@
+import {PostType} from '../../post/types';
+
+
+export type SubscriptionKeyConstName =
+  'ALL_QUEST' |
+  'ALL_ANALYSIS' |
+  'ALL_MISC' |
+  'ALL_TIER' |
+  'SITE_FEATURE';
+
+export type SubscriptionKeyConst = {
+  type: 'const',
+  name: SubscriptionKeyConstName,
+};
+
+export type SubscriptionKeyPost = {
+  type: 'post',
+  postType: PostType,
+  id: number,
+};
+
+export type SubscriptionKey = SubscriptionKeyConst | SubscriptionKeyPost;
diff --git a/api/user/subscription/update/payload.ts b/api/user/subscription/update/payload.ts
new file mode 100644
index 0000000..ad62bb1
--- /dev/null
+++ b/api/user/subscription/update/payload.ts
@@ -0,0 +1,6 @@
+import {RequestPayloadBase} from '../../../base/payload';
+
+
+export type SubscriptionUpdatePayload = RequestPayloadBase & {
+  subKeysBase64: string,
+};
diff --git a/api/user/subscription/update/response.ts b/api/user/subscription/update/response.ts
new file mode 100644
index 0000000..f62bf14
--- /dev/null
+++ b/api/user/subscription/update/response.ts
@@ -0,0 +1,4 @@
+import {BaseResponse} from '../../../base/response';
+
+
+export type SubscriptionUpdateResponse = BaseResponse;