Http Localhost 11501 -

http localhost:11501/protected Authorization:"Bearer your-token"

If an app running on a different port (like a React app on localhost:3000 ) needs to fetch data from your API on localhost:11501 , ensure your backend code allows Cross-Origin Resource Sharing (CORS) for that specific origin. http localhost 11501

Use a browser devtools or an API client (Postman, HTTPie) for interactive requests and to inspect headers, cookies, and responses. http localhost 11501