diff --git a/client/src/entities/notification/api/notifications-api.ts b/client/src/entities/notification/api/notifications-api.ts
new file mode 100644
index 0000000..7a3d35e
--- /dev/null
+++ b/client/src/entities/notification/api/notifications-api.ts
@@ -0,0 +1,50 @@
+import { apiClient } from '@/shared/api/client'
+
+export interface UserNotificationSettings {
+  id: string
+  userId: string
+  globalEnabled: boolean
+  orderCreated: boolean
+  orderStatusChanged: boolean
+  orderMessageReceived: boolean
+  paymentStatusChanged: boolean
+  createdAt: string
+  updatedAt: string
+}
+
+export interface AdminNotificationSettings {
+  id: string
+  emailEnabled: boolean
+  telegramEnabled: boolean
+  telegramChatId: string | null
+  newOrder: boolean
+  newOrderMessage: boolean
+  newReview: boolean
+  authCodeDuplicate: boolean
+  createdAt: string
+  updatedAt: string
+}
+
+export async function fetchUserNotificationSettings(): Promise<{ settings: UserNotificationSettings }> {
+  const { data } = await apiClient.get<{ settings: UserNotificationSettings }>('me/notifications/settings')
+  return data
+}
+
+export async function updateUserNotificationSettings(
+  settings: Partial<UserNotificationSettings>,
+): Promise<{ settings: UserNotificationSettings }> {
+  const { data } = await apiClient.put<{ settings: UserNotificationSettings }>('me/notifications/settings', settings)
+  return data
+}
+
+export async function fetchAdminNotificationSettings(): Promise<{ settings: AdminNotificationSettings }> {
+  const { data } = await apiClient.get<{ settings: AdminNotificationSettings }>('admin/notifications/settings')
+  return data
+}
+
+export async function updateAdminNotificationSettings(
+  settings: Partial<AdminNotificationSettings>,
+): Promise<{ settings: AdminNotificationSettings }> {
+  const { data } = await apiClient.put<{ settings: AdminNotificationSettings }>('admin/notifications/settings', settings)
+  return data
+}