From Slack integrations to coffee buttons, there are loads of potential integrations that could be built if they opened their API to third-party developers Motivation To give credit where it’s due, the Starbucks app is great. I use it (at a minimum) once per day. It has everything I look for in a great mobile experience — coffee, fire 80’s Spotify playlists, and a lack of interaction with other people. I’m clearly not alone in these desires, as 20% of Starbucks transactions in the US are now made using mobile phones. From Slack integrations to coffee buttons, there are loads of potential integrations that could be built if they opened their API to third-party developers. They’re clearly moving in that direction, as they have both a twitter account and a (password protected) website for developers. I couldn’t wait, however, so I decided to take matters into my own hands. They Didn’t Make....