Building APIs not only requires discipline; ideally, the process also should be incorporated within the actual development process of the application. With that goal in mind, Zend, a provider of application development tools for building PHP applications, is promoting the adoption of a new open-source Apigility project that provides a standardized way to build and maintain multiple versions of an API.
You may soon be able to "Digg This" from within your applications. The social news site's API (our Digg API profile) has long been able to list stories and other data. Now it's looking to let developers add content programmatically.