You'd hardly notice the difference unless you were looking for it. MapQuest's latest API is a reinvention of its MapQuest API to display maps. So, what's new? Following the company's recent pattern, MapQuest Open API is based on OpenStreetMaps, the crowd-sourced map favored by many modern geo-hackers.
The US Census Bureau has released its first-ever API to the public. The new US Census Bureau API allows "developers to design Web and mobile apps to explore or learn more about America's changing population and economy," according to the announcement.
Email-list.com provides email marketing and social media tools for businesses. Recently the company announced an Email List API that gives visitors to your website access to counts and quotes on email lists.