Mock Builder
Your personal mock API.
Create custom endpoints with any HTTP method and JSON response body. No account needed — mock data is kept for your session.
Session:
/ 10 mocks used
Create endpoint
Define your mock request and response.
Active mocks
Call these endpoints from your frontend.
No mocks yet
Create your first endpoint using the form on the left. It'll appear here instantly.
How to use your mock
// After creating a mock, call it directly from your app:
const res = await fetch();
const data = await res.json();
// → returns your configured JSON response