🛫 Flight API CORS Test

Testing which flight tracking APIs work directly from the browser (no proxy needed).

1. OpenSky Network API

Free, no API key needed for basic access. 400 credits/day for anonymous users.


Not tested yet
Results will appear here...

2. AirLabs API

Free tier: 1,000 requests/month. Requires API key.



Not tested yet
Results will appear here...

3. Aviation Edge API

Free tier available. Requires API key.


Not tested yet
Results will appear here...

4. ADSBexchange API

Usually requires paid subscription. Testing with sample endpoint.



Not tested yet
Results will appear here...

5. FlightRadar24 (Unofficial)

Testing if the endpoint used by tracker.mjs works from browser.


Not tested yet
Results will appear here...

Summary & Recommendations

Run the tests above to see which APIs work from your browser.