API Testing Tool

A powerful online API testing tool that lets you send HTTP requests and analyze responses instantly, similar to Postman.

Request Feature / Support

13,292+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

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About This Tool

This comprehensive API testing tool provides a complete Postman-like experience in your browser. Send HTTP requests (GET, POST, PUT, DELETE, etc.) to any API endpoint with custom headers and request body. View detailed responses including status codes, response headers, formatted JSON/XML body, and request timing. The tool supports both client-side requests and server-side proxy for CORS-restricted APIs. Perfect for developers, testers, and anyone working with web APIs.

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How to Use

Select HTTP method (GET, POST, etc.) from the dropdown
Enter the API endpoint URL in the URL field
Add custom headers in the headers editor (key-value pairs)
Write request body in JSON/XML/text format if needed
Click 'Send Request' to execute the API call
View response details including status, headers, body, and timing
Use 'Clear All' to reset the form or 'Save Request' to copy configuration

Frequently Asked Questions

Find Quick Answers

Can I test APIs that require CORS?

Yes, the tool includes a server-side proxy option that can bypass CORS restrictions for APIs that don't allow cross-origin requests from browsers.

What HTTP methods are supported?

The tool supports all standard HTTP methods: GET, POST, PUT, DELETE, PATCH, HEAD, and OPTIONS.

Can I save my API requests?

While the tool doesn't permanently save requests, you can use the 'Save Request' button to copy the current configuration (URL, headers, body) as JSON that you can paste back later.

Is there a file upload feature?

The current version focuses on API testing with headers and body content. File upload functionality may be added in future updates.

Need to run multiple calculations?

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