The Rekognition API differentiates its feature set by processing images to recognize more than just the location of faces. Rekognition's technology will analyze a given photo and present a list of scenes, each with a probability rating. Faces are not simply identified, but are also classified for age and emotion.
Our API directory now includes 62 image APIs. The newest is the Pic Resize API. The most popular, in terms of mashups, is the Yahoo Map Image API. We list 12 Yahoo Map Image mashups. Below you'll find some more stats from the directory, including the entire list of image APIs.