CORS Debugger Interactive

Request Configuration (Client)

Client Origin

HTTP Method

Request Headers (comma separated)

Content-Type (if POST/PUT/PATCH)

Access-Control-Allow-Origin

Access-Control-Allow-Methods

Access-Control-Allow-Headers

Access-Control-Allow-Credentials: true

Ready

🌐

Browser

https://app.example.com

🖥️

Server

API Endpoint

Ready to simulate. Adjust config and click "Simulate Request".