Twenty Two APIs have been added to the ProgrammableWeb directory in categories such as Photos, Payments, Home Automation, and Contacts. Highlighted today are several APIs from Cloud Elements plus an API for Pexels free stock photo service. Here's a rundown of the latest additions.
Flickr has added more real-time goodness to their photo API. Using a publish / subscribe (PubSub) system, developers can now receive real-time updates across millions of photos across Flickr friends, Flickr Commons, and by tags and geo-location using the Flickr Real-Time API.