The Helioviewer Java SDK by Helioviewer allows API communication to access solar data visualizations. Installation and usage available. Serialization, requests, and responses as resources accesible on the site.
Nature Publishing Group (NPG), leading publisher of high impact scientific and medical information, has launched the OpenSearch API that provides an open, bibliographic search service for nature.com. The API grants developers access to over half a million research articles.
Onset, a supplier of data logging devices, just launched the HOBOlink® Web Services API, that enables anyone to easily build applications around weather, energy and environmental data gathered from the Onset HOBO® U30 monitoring systems, hardware you install in your environment which can share its status up to Onset's system.
Facebook apps using the current Open Graph API will break on April 30, 2015. Facebook emailed iPod and iPad developers to explain why their apps will break if they wait until the deadline to upgrade to Graph API v2.0.