Many of our sponsors are presenting their APIs today for you to utilize during your hack!
The APIs/technologies being presented are: Cloudmine, Dropbox Facebook, Filepicker, Goldman Sachs, ikanow, MailChimp, Mashery, Microsoft, MongoDB, Mozilla, New York Times, SendGrid, Tumblr, Twilio, Twitter, Venmo, Zappos.
A description of APIs is at git.to/api12f.