Use this PHP SDK to access DOL datasets like: workplace injury and illness rates, veteran's employment statistics, employment and wages reports, consumer price indexes, geographic information, or mine accident info. The API documentation contains detailed instructions on getting started, including extensive code samples.
Think signing petitions is useless? There's probably an app for that. But Change.org proves the cynics wrong--every day. And now there's a Change.org API to rattle the powerful even further. The API is in beta, is free, and uses REST with JSON returned. The API covers a multitude of requests from creating petitions to checking signatures, from looking at the case for a petition to updating them.
The World Bank, as part of its Open Data Initiative, had announced in April that it would bring global economic and development data to the web for the world to use. At that point in time, they had laid down a roadmap to make more statistics and indicators open by mid 2010. This is a reality now and the result is a new and improved World Bank data website.