The Gnip Audience API now features Twitter aggregate user age information. The Gnip Audience API includes nearly one dozen demographic models including gender, interests, TV genre, TV show, language, etc. User age is the newest addition to the set of Gnip Audience API demographic models.
An independent, open source platform aimed at making it easier for governments and businesses to publish open data has released a new version of their API. The CKAN API allows access to catalog listings of open datasets, full-text searches, and sharing of statistics on open data usage.