REST API Tester

Send API requests and inspect responses

100% FreeNo SignupBrowser-basedPopular

Headers

How to use

Enter your REST API endpoint URL.
Select the HTTP method (GET, POST, PUT, DELETE, etc.).
Add request headers, parameters, and body if needed.
Click 'Send Request' to execute and view the response.

Why use this tool?

100% Free

Use the REST API Tester completely free with no registration or usage limits.

Instant Results

Send API requests and get structured responses immediately.

Developer Friendly

Ideal for developers, testers, and QA engineers working with REST APIs.

Supports Headers & Body

Add custom headers, query parameters, and request bodies for advanced testing.

Secure & Private

All requests are sent directly to your API; no data is stored or shared.

Cross-Platform Support

Works on Windows, Mac, Linux, Android, iOS, and all modern browsers.

Frequently asked questions

Is the REST API Tester free?▼

Yes, this tool is completely free with no registration required.

How do I test a REST API endpoint?▼

Enter your API URL, select the HTTP method, add headers or body if needed, and click 'Send Request'.

Can I view the response structure?▼

Yes, responses are displayed in formatted JSON or text for easy analysis.

Is my API data secure?▼

Yes, all requests are sent directly to your API and your data is not stored.

Can I test authenticated endpoints?▼

Yes, you can include authentication headers such as API keys, tokens, or Bearer tokens.

Which devices are supported?▼

The tool works on desktops, tablets, and mobile devices across all platforms.

About REST API Tester

Send API requests and inspect responses This free online tool runs entirely in your browser — no files are ever uploaded to our servers, ensuring your data stays private and secure. No registration, no watermarks, no limits.

Free forever

No hidden fees or paywalls

Zero uploads

100% browser-based processing

No account needed

Start using immediately