API Tester
Send HTTP requests and inspect responses
Browser CORS policy may block requests to APIs that don't allow cross-origin requests. For full API testing, use a dedicated tool like Postman or curl.
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How to Use
Open the Tool
No setup needed — the tool loads instantly in your browser.
Interact and Explore
Use your mouse, keyboard, or touch to interact in real time.
Use Anytime, Anywhere
Works on desktop and mobile — practice or create on the go.
Why Use This Tool
100% Free
No hidden costs, no premium tiers — every feature is free.
No Installation
Runs entirely in your browser. No software to download or install.
Private & Secure
Your data never leaves your device. Nothing is uploaded to any server.
Works on Mobile
Fully responsive — use on your phone, tablet, or desktop.