That's how I feel every time I try to learn how to use APIs. All the tutorials are like "Here's what REST means" and then "Ok so here's JSON, but we're not tell

That's how I feel every time I try to learn how to use APIs. All the tutorials are like "Here's what REST means" and then "Ok so here's JSON, but we're not telling you what we typed in to get this or what to do with it".