There are several ways to connect to the Remote API. The following lists provide an overview of some free to use clients.
Browser Plugins
Advanced REST client plugin for Google Chrome
Google Chrome Web Store
RESTED for Firefox
Firefox Add-Ons
RestMan Add-On for Opera
Opera Add-Ons
Standalone Clients
Wget
https://www.gnu.org/software/wget/
cURL
http://curl.haxx.se/