diff --git a/frontend/src/mocks/handlers/user-access-handlers.ts b/frontend/src/mocks/handlers/user-access-handlers.ts
new file mode 100644
index 000000000..8b0a2a5a7
--- /dev/null
+++ b/frontend/src/mocks/handlers/user-access-handlers.ts
@@ -0,0 +1,59 @@
+import { constants } from 'http2';
+import { http, HttpResponse, RequestHandler } from 'msw';
+
+import {
+  SignupLinkDTO
+} from '@zerologementvacant/models';
+import data from './data';
+import config from '../../utils/config';
+import { isPast } from 'date-fns';
+
+export const userAccessHandlers: RequestHandler[] = [
+  http.get<never, SignupLinkDTO>(
+    `${config.apiEndpoint}/api/user-access`,
+    ({ request }) => {
+
+      const url = new URL(request.url);
+      const email = url.searchParams.get('email');
+      const signupLink = data.signupLinks.find((link) => link.prospectEmail === email);
+
+      if (!signupLink) {
+        return HttpResponse.json({
+          name: 'SignupLinkMissingError',
+          message: `Signup ${email} link missing`
+        },
+        { status: constants.HTTP_STATUS_NOT_FOUND });
+      }
+
+      if (isPast(signupLink.expiresAt)) {
+        return HttpResponse.json({
+          name: 'SignupLinkExpiredError',
+          message: `Signup link expired`
+        },
+        { status: constants.HTTP_STATUS_GONE });
+      }
+
+      const user = data.ceremaUsers.find((user) => user.email === email);
+      if(!user) {
+        return HttpResponse.json({
+          name: 'AuthenticationFailedError',
+          message: `Authentication failed.`
+        },
+        { status: constants.HTTP_STATUS_UNAUTHORIZED });
+      }
+
+      if(user !== null) {
+        if(user.establishmentId === null) {
+          return HttpResponse.json({
+            name: 'EstablishmentMissingError',
+            message: `Establishment ${undefined} missing`
+          },
+          { status: constants.HTTP_STATUS_NOT_FOUND });
+        }
+        return HttpResponse.json(user, {
+          status: constants.HTTP_STATUS_OK
+        });
+      }
+    }
+  )
+];