The official Brewery DB Java SDK provides usage and example to create projects with brewery references. First version includes beer functions to get beers by page, filter, and id. Brewery functions gets all breweries same as beer: by page, filter, and id. The second version displays asynchronous beer service and synchronous guice module.
The University of Michigan Medical School created the Vaccine Investigation and Online Information Network (VIOLIN) because the vaccine research field lacked a web-based central repository where researchers could easily retrieve the vast amount of data underlying hundreds of years of research. Not only has VIOLIN provided the online database, the database is easily accessible via the VIOLIN API.
Wikimapia is a web service that allows users to edit information on a world map in a wiki format. Users of the site can add places, edit them, and get the information previous users have entered. The info there is currently pretty sparse, but the service is rather new. The company also recently released a Wikimapia API that supports getting information from the web service.
If you are into developing word games and have been scouting around for both a word database and an API to go with to make things easier, Wordnik may just have delivered the solution for you. The online dictionary's latest version of its Wordnik API is squarely targeting word game developers by giving them additional methods that will help them find words with a great degree of control.