The Traitify PHP Library is a pre-built client library created to work with Traitify's APIs. The Traitify PHP API Library is available to provide access to Traitify's developer API and works best with Traitify JS. All of the libraries are open source and also come in other languages. With Traitify, developers can embed personality assessments and results into websites and applications.
Keen IO is working to enable analytics easily for all APIs. The company provides analytics and data science features for mobile apps and web dashboards. By providing the basic infrastructure, analytics for APIs is made easier. In an interview with Dan Kador, co-founder and CTO of Keen IO, he shares his vision and plan for a more analytically layered programmable web.
As announced on the Flickr Blog, Flickr has launched a new website for developers: Flickr Code. And besides announcing the new site they've both a) given interesting details on just how much API traffic they do each day (see below), and b) they announced they're open sourcing Flickr Uploadr, the cross-platform (Windows and OS X) desktop tool for uploading photos to Flickr.
Twitter recently added more data to each tweet it returns via the API. Now your applications can access the number of retweets, whether you have retweeted a tweet and additional information about the user who wrote the tweet. The new information used to require subsequent calls to the Twitter API, or perhaps looking up a cached value from your own database.