API Radar is a floating network debugger for Flutter that enables real-time inspection of API calls made with Dio. It displays detailed request and response information directly on the device, including headers, status codes, and payloads. Ideal for debugging during development, it provides instant visibility into network behavior without requiring external tools. The overlay is customizable and works across Android, iOS, Web, macOS, Windows, and Linux platforms.
Use cases
- Real-time API debugging
- Monitoring Dio requests during development
- Troubleshooting network issues
- Testing API endpoints in-app
- Visualizing request/response data
- Improving API integration workflows
Key features
- Floating debug overlay
- Real-time API call inspection
- Support for Dio HTTP client
- Cross-platform compatibility
- Customizable UI
- Detailed request/response logging
Suitable for
- Flutter developers
- Mobile app testers
- Backend integrators
- Debugging teams
- Frontend engineers
- DevOps in mobile environments
Considerations
- Not intended for production use
- May impact performance slightly
- Overlay can be hidden or minimized
- Requires manual activation
- Limited to Dio-based requests
- Best used in debug builds only