Hellotxt, the service that lets you simultaneously update your status and read your friends' status across many services, has now released an API. There is a long list of microblogging and social networking sites that Hellotxt interacts with, ranging from Facebook and LinkedIn to of course Twitter and FriendFeed (see their home page below).
Facebook has launched a new suite of marketing APIs and taken its Facebook Ads API out of private beta. The suite gives developers, ad agencies, and marketers programmatic access to pages, advertising, and analytics for their social media marketing campaigns. In addition to the Ads API, the suite includes the Insights API for building social analytics tools, and Pages API for building and accessing pages and their fields, connections, events, links, notes, photos, and videos. Both are officially part of the Facebook Graph API.
Gnomedex, the annual tech conference in Seattle hosted by Chris Pirillo, and Microsoft Live Search, are teaming up to sponsor a developer's contest dubbed "Will Code for Green" where judges will accept mashup entries in two categories: Economy and Ecology.