A lot of websites are generating data which could be really useful outside a web browser. Having the weather shown on your smartphone’s lock-screen, the delay until your next bus… How can we use this from an application? This article will explain what’s behind these hidden data flows, and how to use them. For this purpose, I’ll use Trakt.tv as an example. If you don’t know it: Trakt allows you to manage your movie/TV series library, keep track of watch progress, your ratings, comments… and see those of other people. Some code will show how to send such requests. It will be written in Ruby.