diff --git a/src/frontend/src/entities/file/api/contracts.ts b/src/frontend/src/entities/file/api/contracts.ts
new file mode 100644
index 000000000..c64ac4144
--- /dev/null
+++ b/src/frontend/src/entities/file/api/contracts.ts
@@ -0,0 +1,7 @@
+export interface FileItem {
+  url: string;
+}
+
+export interface UploadFilesResponse {
+  files: FileItem[];
+}
diff --git a/src/frontend/src/entities/file/api/fileApi.ts b/src/frontend/src/entities/file/api/fileApi.ts
new file mode 100644
index 000000000..66355b6c1
--- /dev/null
+++ b/src/frontend/src/entities/file/api/fileApi.ts
@@ -0,0 +1,14 @@
+import { api } from '@/shared/api';
+import { type UploadFilesResponse } from './contracts';
+
+export const fileApi = api.injectEndpoints({
+  endpoints: builder => ({
+    uploadFiles: builder.mutation<UploadFilesResponse, FormData>({
+      query: body => ({
+        url: '/api/files',
+        method: 'POST',
+        body,
+      }),
+    }),
+  }),
+});
diff --git a/src/frontend/src/entities/file/api/index.ts b/src/frontend/src/entities/file/api/index.ts
new file mode 100644
index 000000000..2b7e0649a
--- /dev/null
+++ b/src/frontend/src/entities/file/api/index.ts
@@ -0,0 +1,2 @@
+export * from './fileApi';
+export * from './contracts';
diff --git a/src/frontend/src/entities/file/index.ts b/src/frontend/src/entities/file/index.ts
new file mode 100644
index 000000000..b1c13e734
--- /dev/null
+++ b/src/frontend/src/entities/file/index.ts
@@ -0,0 +1 @@
+export * from './api';
diff --git a/src/frontend/src/pages/ui/PageDetailPage.tsx b/src/frontend/src/pages/ui/PageDetailPage.tsx
index 318de0f8f..59627b57f 100644
--- a/src/frontend/src/pages/ui/PageDetailPage.tsx
+++ b/src/frontend/src/pages/ui/PageDetailPage.tsx
@@ -1,9 +1,9 @@
 import { type FC } from 'react';
 import { type ActionFunction, useLoaderData, redirect } from 'react-router-dom';
 import { store } from '@/app/store';
+import { fileApi } from '@/entities/file';
 import { noteApi, noteLib } from '@/entities/note';
 import { pagesApi, PageDetailHeader, type Page } from '@/features/pages';
-import { MOCK_API_RESPONSE_DELAY } from '@/shared/config';
 import { PrivateLayout } from '@/widgets/layout';
 import { MealsList } from '@/widgets/MealsList';
 import { withAuthStatusCheck } from '../lib';
@@ -27,23 +27,23 @@ export const loader = withAuthStatusCheck(async ({ params }) => {
 
 export const action: ActionFunction = async ({ request, params }) => {
   const pageId = Number(params.id);
-  const data = await request.formData();
-  const photos = data.getAll('photos');
+  const formData = await request.formData();
+  const photos = formData.getAll('photos');
 
   if (photos.length < 1) {
     return redirect(`/pages/${pageId}`);
   }
 
-  // TODO: upload file and get url
-  await new Promise(resolve => setTimeout(resolve, MOCK_API_RESPONSE_DELAY));
+  const { files } = await store.dispatch(fileApi.endpoints.uploadFiles.initiate(formData)).unwrap();
 
-  const photoUrls = [
-    `https://storage.yandexcloud.net/food-diary-images/oranges.png`,
-    `https://storage.yandexcloud.net/food-diary-images/oranges.png`,
-  ];
+  if (files.length < 1) {
+    return new Response(null, { status: 500 });
+  }
+
+  const photoUrls = files.map(file => file.url).join(',');
 
   const url = `/pages/${pageId}/add-note-by-photo?${new URLSearchParams({
-    photoUrls: photoUrls.join(','),
+    photoUrls,
   }).toString()}`;
 
   return redirect(url);
diff --git a/src/frontend/tests/mockApi/files/files.handlers.ts b/src/frontend/tests/mockApi/files/files.handlers.ts
new file mode 100644
index 000000000..90e2acbad
--- /dev/null
+++ b/src/frontend/tests/mockApi/files/files.handlers.ts
@@ -0,0 +1,25 @@
+import { http, type HttpHandler } from 'msw';
+import { type UploadFilesResponse } from '@/entities/file';
+import { API_URL } from '@/shared/config';
+import { DelayedHttpResponse } from '../DelayedHttpResponse';
+
+const UPLOAD_FILE_FAKE_RESPONSE: UploadFilesResponse = {
+  files: [
+    {
+      url: 'https://storage.yandexcloud.net/food-diary-images/oranges.png',
+    },
+  ],
+};
+
+export const handlers: HttpHandler[] = [
+  http.post(`${API_URL}/api/files`, async ({ request }) => {
+    const body = await request.formData();
+    const photos = body.getAll('photos');
+
+    if (photos.length < 1) {
+      return await DelayedHttpResponse.badRequest();
+    }
+
+    return await DelayedHttpResponse.json(UPLOAD_FILE_FAKE_RESPONSE);
+  }),
+];
diff --git a/src/frontend/tests/mockApi/files/index.ts b/src/frontend/tests/mockApi/files/index.ts
new file mode 100644
index 000000000..4c4d458dc
--- /dev/null
+++ b/src/frontend/tests/mockApi/files/index.ts
@@ -0,0 +1 @@
+export { handlers as filesHandlers } from './files.handlers';
diff --git a/src/frontend/tests/mockApi/handlers.ts b/src/frontend/tests/mockApi/handlers.ts
index 7677d555d..9faa7e729 100644
--- a/src/frontend/tests/mockApi/handlers.ts
+++ b/src/frontend/tests/mockApi/handlers.ts
@@ -1,5 +1,6 @@
 import { authHandlers } from './auth';
 import { categoriesHandlers } from './categories';
+import { filesHandlers } from './files';
 import { notesHandlers } from './notes';
 import { pagesHandlers } from './pages';
 import { productsHandlers } from './products';
@@ -10,4 +11,5 @@ export const handlers = [
   ...notesHandlers,
   ...productsHandlers,
   ...categoriesHandlers,
+  ...filesHandlers,
 ];