Favorite APIs

Okay Gliders, I may be a little late to the party, but I’m starting to really take advantage of the Construct URL column and experimental code columns to bring functionality from outside APIs into my apps.

So, here’s my question: what are your favorite APIs? What amazing functions are possible that I may have missed?

I can’t say I have any favorites, but when I’m looking for one, I always start here:

And now plugins can replace some of the APIs you might want to use.