API Tester
A tool to test REST API endpoints and check their responses.
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Key Features
- Multiple HTTP Methods: Supports GET, POST, PUT, PATCH, DELETE
- Header Management: Add and remove custom headers
- Request Body: Send JSON-formatted request data
- Response Display: Shows status code, headers, and body in a structured format
- Response Time: Measures request processing time
- Sample API: Sample requests using JSONPlaceholder
How to Use
- Select HTTP method (GET, POST, PUT, PATCH, DELETE)
- Enter API URL
- Add headers if needed
- For POST/PUT/PATCH, enter request body
- Click "Send" button
- Check response
Response Information
Status Codes
- 2xx (Success): Displayed in green
- 4xx (Client Error): Displayed in orange
- 5xx (Server Error): Displayed in red
Response Content
- Response body (automatic JSON formatting)
- Response headers
- Response time (milliseconds)
Use Cases
- API Development: Test endpoint behavior
- Debugging: Check API responses and troubleshoot issues
- Documentation: Verify API operation examples
- Integration Testing: Validate external API integration
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Privacy
This tool operates entirely on the client side. Your API requests are made directly from your browser and are not logged or stored on our servers.