Restkit integrate a simple HTTP client in command line named restcli allowing you to perform requests.
Usage:
$ 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"
-i FILE, --input=FILE
the name of the file to read from
-o OUTPUT, --output=OUTPUT
the name of the file to write to
--follow-redirect
--version show program's version number and exit
-h, --help show this help message and exit