CORS Analyzer
Test and debug Cross-Origin Resource Sharing (CORS) configurations and understand CORS errors
Quick Examples
Test Configuration
The origin making the request (your website)
The API endpoint you want to access
CORS Quick Guide
What is CORS?
CORS (Cross-Origin Resource Sharing) is a security mechanism that restricts web pages from making requests to a different domain than the one that served the page.
Common Headers:
- •
Access-Control-Allow-Origin- Which origins can access - •
Access-Control-Allow-Methods- Which HTTP methods are allowed - •
Access-Control-Allow-Headers- Which headers are allowed - •
Access-Control-Allow-Credentials- Whether to allow credentials