How to use REST API Testing Tool
- Enter the URL and any method, headers or body into REST API Testing Tool.
- Press the button and REST API Testing Tool sends the request from your browser.
- Review the result, which REST API Testing Tool fetches live from the API you entered.
About this tool
REST API Testing Tool is a static, browser-based client. REST API Testing Tool lets you set a method, headers and body, then fires the request straight from your browser and displays what comes back.
It is a thin client around the browser fetch API — no proxy and no stored credentials, just the request you configure. The request is sent from your browser straight to the API you name; this site has no backend and never receives it, though that server and your network can see it. Cross-origin calls follow the browser's CORS rules, and a connection is required.
Frequently asked questions
How do I use REST API Testing Tool?
REST API Testing Tool sends the HTTP request you configure from your browser to the API you specify and shows the response status, headers and body.
Do I need an account for REST API Testing Tool?
No — REST API Testing Tool needs no account, sign-up or installation.
Does REST API Testing Tool send my request anywhere?
Yes — REST API Testing Tool sends the request from your browser directly to the URL you enter. This site has no backend and never receives it, but the target server and your network do, and cross-origin calls follow browser CORS rules.
Can REST API Testing Tool call any API from the browser?
REST API Testing Tool can call any endpoint your browser is allowed to reach, but cross-origin APIs must send permissive CORS headers or the browser will block the response — that is a browser rule, not a limit of REST API Testing Tool.