What is it all about?
FaceRect is a powerful and completely free API for face detection.
* It finds faces (both frontal and profile) on the image specified by URL or uploaded as a file and is able to find multiple faces on a single photo, producing JSON output with a bounding box for each face found. * FaceRect can find face features for each detected face (eyes, nose and mouth). * FaceRect API supports two endpoints that differ only in the way of passing the image.