How can I use curl for advanced HTTP requests?

How can I use curl for advanced HTTP requests?

You can use curl with various options to customize your HTTP requests. What specific features are you interested in?

I want to know how to send JSON data in a POST request.

You can use the -H option to set the Content-Type and the -d option to send your JSON data. For example: curl -X POST -H 'Content-Type: application/json' -d '{"key":"value"}' http://example.com/api.

What if I need to include authentication?

You can include authentication using the -u option for basic auth or by adding an Authorization header. For example: curl -H 'Authorization: Bearer YOUR_TOKEN' http://example.com/api.

Can I follow redirects with curl?

Yes, you can use the -L option to follow redirects. For example: curl -L http://example.com.