curl "-d" example in url
Example: curl post
curl --data '' https://example.com/resource.cgi
curl -X POST https://example.com/resource.cgi
curl --request POST https://example.com/resource.cgi
curl --data '' https://example.com/resource.cgi
curl -X POST https://example.com/resource.cgi
curl --request POST https://example.com/resource.cgi