The most popular API, in terms of mashup count, is far and away the Google Maps API, which accounts for 41% of all mashups. But when it comes to the most popular pair of APIs, Flickr and YouTube mashups are the most common. Not to be outdone, Google Maps joins Flickr in a near second place.
Spotify subscribers who also use Apple products may soon be able to use Siri to interact with the popular music service. Spotify is taking advantage of the SiriKit audio API, which was recently made available via iOS 13, to test the integration. It's not a done deal, but iPhone owners can dream.