Stack Exchange has a very full featured, albeit currently read-only, API. You can view some of the nifty applications people have created with the Stack Exchange API in the app gallery on Stack Apps, or check out the winners of the Stack Exchange API contest we held last year.
We’re currently in the planning stages for Stack Exchange API 2.0. There’s a draft API 2.0 specification on Stack Apps, so head on over there and take a look if you want a voice in that process.
As a part of our research process leading up to 2.0, we analyzed usage statistics of the API to date. For the period …