API Request Builder

API & Backend

Compose method, URL, headers and body, then send or export the request.

Runs entirely in your browser โ€” nothing is uploaded

Features

  • All common verbs with editable headers, query parameters and JSON body.
  • Send the request and inspect status, timing, headers and response body.
  • Export the same request as cURL or fetch() code.
  • Request history for the current session.

How to use the API Request Builder

  1. 1Pick a method and enter the endpoint URL.
  2. 2Add headers, query parameters and a body as needed.
  3. 3Send it, or export it as cURL for your terminal.

Frequently asked questions

Why did my request fail with a CORS error?

Browsers block cross-origin calls unless the target server sends permissive CORS headers. Export the request as cURL and run it from a terminal instead.