Post file
http -f https://envs.sh file@/path/to/file.xyz
Post remote URL
http -f https://envs.sh url=https://domain.xyz/file.abc
Post from STDIN
echo supdawg | http -f --ignore-stdin https://envs.sh file@/file/stdin
Shorten URL
http -f https://envs.sh shorten=https://domain.xyz/which/is/really/long/123/456