The Untappd Ruby SDK by Chris Mar wraps the API to access beers, breweries,and bars features with the aim to implement in social applications. Guides available on GitHub include Api Key, documentation, parameters, methods, and responses.
Another day, another API... Keeping on top of all the APIs that have been made public to support the plethora of web services that are available these days can be a full time job. Yahoo thought so too, and so they created the Yahoo Query Language (YQL), which provides access to hundreds of web services with a single SQL like syntax. And now YQL supports Google Buzz.