Gravatar is an attempt to allow users to have one globally recognized avatar. The service, around for several years, allows a user can set an image as an avatar and have it recognized on a variety of sites. Later, users can change an avatar once and have it change on every Gravatar-enabled site that they use. Though the service is somewhat well known, what is not is its robust API for developers to integrate the Gravatar service into their own sites.
Wordnik, which aims to be the most comprehensive online dictionary, has been hard at work for over a year with a clear focus on scaling its architecture and listening to developer feedback. The result is significant updates to the Wordnik API and a new developer portal to increase adoption of its API.
The Mobpartner API allows this global affiliate marketing platform to monetize you unfilled traffic in over 200 countries. Working with advertisers, marketers and publishers, Mobpartner has both REST and S2S HTTP APIs. Mobpartner uses as CPA model that allows for CPS, CPL and CPI actions. Responses are XML, JSON and XHTML, or directly through an XML feed.