Roar Engine selected Urban Airships push-messaging system to complement its cross-platform game mechanics and virtual products management API. The Roar Engine API will itself integrate with the Urban Airship API to send notifications to gamers.
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.