Developer Erin Urban created a Java SDK for the Bing Ads API. The API features the organization of campaigns, accounts, and reports additional to monitor campaign performance. This kit allows to write bulk files and authenticate with OAuth. More information available accessing Bing Ads Java SDK on MSDN.
Yammer, a microblogging-for-business site and winner of the top prize at the recent TechCrunch50 conference, has released an API to allow developers to build their own applications around the service (Yammer API profile). Created by the people behind genealogy site Geni, Yammer has taken the tried and tested Twitter model, which asks users to answer the question "What are you doing?" in 140 characters or less, and adapted it for businesses, turning the question into "What are you working on?"