The official page of the NationBuilder Sample Codes demonstrates how to authenticate to a nation in PHP; add a person to a nation in PHP, Go, and Python; import pages from a CSV in Ruby; sync users between nation and a third party service in PHP; and manage events in a nation in C#. Includes endpoints, API explorer, and API developers forum with the aim to facilitate integration into websites and applications.
Security researchers have identified various vulnerabilities within the SoundCloud API that could have allowed attackers to gain access to user accounts and easily initiate DDoS attacks. Checkmarx Research conducted an investigation into the online social music platform.
Favstar, a service that helps users "find great tweets and interesting people to follow", has announced that it will be shutting down next month because of changes Twitter is making to its APIs. Favstar's creator, Tim Haines, was left with no choice but to shut his service down due to API changes.
Who ever said that institutions were loathe to change? Well call him up and let him know, the Library of Congress, with their Prints and Photographs API has finally taken the REST API plunge. If this government institution can do it, maybe you can convince the head of your IT department that APIs are a good idea too.