I had this same exact app a few years ago. (dropmessenger.com) It only worked for the University of Utah, and they did eventually contact me about polling the s

I had this same exact app a few years ago. (dropmessenger.com) It only worked for the University of Utah, and they did eventually contact me about polling the server. But, they were pretty cool about it, and even asked if I was looking for work. :) The reality is, they can't really make you take it down, but they can take steps to make your life miserable. Without any reliable API it will be difficult to scale such an app. Good work though.