Latest, 16 Oct 2026:31 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
Latest, 16 Oct 2026:5 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About API Probe
API Probe – The ultimate tool for precise API testing. is a powerful yet simple Chrome extension for testing and debugging REST APIs directly from your browser.
🚀 Key Features:
✓ Complete Request Control
- Support for GET, POST, PUT, and DELETE methods
- Custom headers configuration
- JSON request body editor
- Real-time response display with syntax highlighting
- Status code indicators with color coding
✓ Smart Environment Management
- Create unlimited environments (development, staging, production)
- Define and manage environment variables
- Quick environment switching
- Variable substitution in URLs, headers, and body
- Easily duplicate and modify environments
✓ Developer-Focused Experience
- Clean, intuitive interface
- Formatted JSON responses
- Save recent requests
- Error handling with clear feedback
- Lightweight and fast performance
✓ Productivity Features
- No account required
- Works with any REST API
- Local storage for privacy
- Quick access from browser toolbar
- Keyboard shortcuts for common actions
Perfect for:
- API Developers
- Frontend Engineers
- QA Engineers
- Backend Developers
- DevOps Engineers
- Anyone working with REST APIs
Privacy & Security:
- All data stored locally in your browser
- No external tracking or analytics
- No account creation required
- Makes API calls directly from your browser
Start testing your APIs faster and more efficiently with API Probe – The ultimate tool for precise API testing. - your new favorite development companion!