• -O, –remote-name: save the file with remote filename
• -o, –no-remote-name: save the file as the name provided
• -L, –location: follow 3xx redirect
• -#, –progress-bar: show download progress
• -X, –request: specify request method
• -F, –form: multipart post
• -f, –fail: Fail silently (no output at all) on server errors. This is mostly done to enable scripts etc to better deal with failed attempts.
• -k, –insecure: ignore SSL certificate

curl -O -C -

cat file.json | curl --request POST https://httpbin.org/post --data-binary @-

curl --request POST https://httpbin.org/post -F X=1

curl -X POST https://httpbin.org/post -F 'file=@filename.txt'