WaZappyCORS Tester.
Debug Cross-Origin Resource Sharing errors instantly. Test API endpoints, analyze headers, and identify misconfigurations blocking your requests.
🔧 Configure Test
💡 How it works: We simulate a browser request from your specified origin and analyze the server's CORS headers to identify configuration issues.
Testing...
Sending preflight request...
📋 CORS Headers
| Header | Value |
|---|
