CORS Configuration
Configure your CORS settings
Allowed Origins (comma-separated, or * for all)
Allowed Methods5 selected
Allowed Headers3 selected
Max Age (seconds)
Server Format
Allow Credentials (cookies, auth headers)
Generated Configuration
Production-ready CORS config
Configure your CORS settings and click Generate
Output will show configs for Nginx, Apache, and Express.js
CORS controls which domains can access your API. Use * for public APIs, specific origins for security. Credentials required for cookies/auth headers. Max Age caches preflight responses.