A lot of APIs are not documented, but still able to be queried programmatically. Here’s how to discover them, gain an access token, and create an HTTP request. To watch a video walkthrough of this on Youtube, click here. Download For this example, I’ll be looking at the music service Tidal, and using the web proxy software Fiddler, which makes this sort of thing very easy. So the first steps are to download these two applications and install them.