The Facebook Graph Go library created by Huan Du supports the API with file upload, batch request, FQL and multi-FQL. This library can also be used in Google App Engine. Developer provides usage with quick start and guides for user object, valid access token, graph search, JSON response, batch request, and multi-query procedures.
Have you ever received one of those questionnaire emails? You know the ones I mean, 20 questions (or more), desperately seeking to find out inane details about your life and hopefully bring some email servers to a halt? I'm sure you've had one of those in your inbox at some point. That time is over. Now you can do it on Formspring.
The Votizen API aims to get friends to involve their friends in supporting candidates. The API website notes that the API is entirely based on HTTP. Votizen is based on the premise that, "Voters are more likely to listen to friends than campaign volunteers." Votizen is the first "social campaigning platform built entirely on personal connections."