API Checker

Free API Testing Tool

Test REST APIs instantly with real-time monitoring, cURL import, and code generation

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Test Your API

Configure endpoints and monitor performance in real-time

Saved Requests
Save and reuse your API configurations

No saved requests yet

Configure a request and click "Save Current" to save it for later

Environment Variables
Manage different environments for your API testing

Use variables in your requests with {{VAR_NAME}}

Import from cURL
Paste a cURL command to auto-populate the request configuration
Request Configuration
Configure your API endpoint and test parameters

Ready to test

Configure your API endpoint above

Code Generator
Generate code snippets for your configured request
curl -X GET 'https://api.openweathermap.org/data/2.5/weather'

No test results yet. Configure and test your API endpoint to see the response.