Our API directory now includes 30 community APIs. The newest is the Crypto::Stocks API. The most popular, in terms of mashups, is the Seesmic API. We list 3 Seesmic mashups. Below you'll find some more stats from the directory, including the entire list of community APIs.
Twitter's announced "promoted tweets", a way for businesses to send their status messages into the timelines of users who may not follow them. Many developers are wondering how it affects updates via the API--will promoted tweets show up in results from API calls?
Hitch — a new platform service aimed at helping businesses and API providers to better engage with developers — believes that there is now a significant disconnect between the ability of API providers to create APIs, and their success at fostering API developer communities and ecosystems.