The Twilio sms-rb Ruby Library by Pat Nakajima is a Ruby library to assist with sending text messages easily with the Twilio API. Twilio provides a simple hosted API and markup language for businesses to quickly build scalable, reliable and advanced voice and SMS communications applications.
Mashery has expanded its API management solution to operate on-premise, within your company's firewall, with a new offering dubbed Mashery Local. Until recently, providers could only deploy Mashery’s API traffic management tools in the cloud. With the new Mashery Local customers has more flexibility, which could see more APIs from larger enterprises.
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.