$ restcli --help
Usage: 'restcli [options] url [METHOD] [filename]'

Options:
  -H HEADERS, --header=HEADERS
                        http string header in the form of Key:Value. For
                        example: "Accept: application/json"
  -X METHOD, --request=METHOD
                        http request method
  --follow-redirect
  -S, --server-response
                        print server response
  -p, --prettify        Prettify display
  --log-level=LOG_LEVEL
                        Log level below which to silence messages. [info]
  -i FILE, --input=FILE
                        the name of the file to read from
  -o OUTPUT, --output=OUTPUT
                        the name of the file to write to
  --version             show program's version number and exit
  -h, --help            show this help message and exit