Our API directory now includes 53 feeds APIs. The newest is the App.net API. The most popular, in terms of mashups, is the Google Ajax Feeds API. We list 45 Google Ajax Feeds mashups. Below you'll find some more stats from the directory, including the entire list of feeds APIs.
In 2011, the Guardian launched its local messaging bulletin: n0tice. Although the platform encouraged open journalism, the Guardian has expanded the effort with the launch the n0tice API last week. The very premise of n0tice offers value from a locality perspective. With the open API, the value of the local bulletin can be integrated with any developer's application.