API Tester / HTTP Debugger
Response
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Instant API Tester & HTTP Debugger Online
Need to quickly test an API without installing Postman or any heavy tool? Our free API Tester and HTTP Debugger lets you send GET, POST, PUT, DELETE requests right from your browser. Add headers, pass JSON, and instantly see raw responses.
How to Use
- Enter your API endpoint (URL).
- Choose request type: GET / POST / PUT / DELETE.
- (Optional) Add headers like
AuthorizationorContent-Type. - Add JSON or query parameters.
- Click Send → Instantly see response status, headers, and body.
Why Use This Tool?
- Quick sanity checks without setup.
- Debug REST APIs in seconds.
- Great for developers, testers, and learners.
Use Cases
- Test your backend API while coding.
- Validate response format (JSON, XML).
- Debug failed API calls in production.
FAQ:
Q: Is this tool secure?
A:- Yes, everything runs in your browser. We don’t log or store your API data.
Q: Can I test private APIs?
A:- Yes, as long as your browser has network access to them.

