CORS Tester

Use this little website to test if a URL is setup correctly to work with CORS.




If your CORS setup is not using a wildcard then this should be a domain that matches your AllowedOrigins


Shareable link:

Results

This URL will work correctly with CORS.

Headers

These are the response headers received when making the request.

access-control-allow-headers: Content-Type,X-Amz-Date,Authorization,X-Api-Key,X-Amz-Security-Token
access-control-allow-methods: OPTIONS,POST
access-control-allow-origin: *
cf-cache-status: DYNAMIC
content-length: 23
content-type: application/json
date: Sat, 14 Feb 2026 02:10:21 GMT
server: cloudflare
x-amz-apigw-id: Yv7uHF56hcwEOPg=
x-amzn-errortype: ForbiddenException
x-amzn-requestid: 53776181-dbb9-4c11-a332-42cb875ab31d

CORS tester was built by @mscccc. The code is available on GitHub. Sponsored by HTML/CSS to Image.