About Call That API
An intuitive, powerful online platform designed specifically for testing, mocking, and validating REST APIs without any installation required. Whether you're developing, debugging, or documenting APIs, our comprehensive suite of tools helps you streamline your workflow.
Instant API Testing
Test any API endpoint directly in your browser with zero setup or installation.
Precise Performance Metrics
Measure response times down to the millisecond to identify bottlenecks.
Built-in Validators
Automatically validate JSON, XML, and other response formats.
Team Collaboration
Share your API tests with teammates through simple links.
API Testing Benefits
- Identify bugs early in development
- Measure and optimize performance
- Validate data structures
- Verify authentication mechanisms