API Tester

Send HTTP requests to any API endpoint. View formatted JSON responses.

URL

Headers (optional)

Body (optional)

Frequently Asked Questions

Can I test any API?

You can test any API that allows cross-origin requests (CORS). Some APIs block browser-based requests — in that case, use this tool for CORS-enabled APIs or your own local dev server.

Is my API key safe?

Yes. Requests are made directly from your browser to the API. No data passes through our servers. However, be cautious in shared environments.