Free API Testing Tool

API Testing Features

Our free API testing tool supports all HTTP methods including GET, POST, PUT, DELETE, and PATCH requests. Test REST APIs with custom headers, authentication, and JSON payloads. Perfect for developers who need to test API endpoints without installing software like Postman.

How to Test APIs Online

Simply enter your API endpoint URL, select the HTTP method, add any required headers or request body, and click send. Our tool will make the API request and display the response with status codes, headers, and response time.

Free API Testing Tool Benefits

• No registration required - start testing immediately
• Support for all HTTP methods (GET, POST, PUT, DELETE, PATCH)
• Custom headers and authentication support
• JSON request and response handling
• Real-time API testing and debugging
• No software installation needed - works in any browser
• Perfect alternative to Postman for quick API tests

API Testing Best Practices

When testing APIs, always verify the response status codes, check response headers, validate JSON structure, and test different scenarios including error cases. Our free API testing tool helps you debug API issues quickly and efficiently.