The Mezzanine Python SDK by George Cushen is an SDK that uses the Django framework to extend services of the Mezzanine API content management platform to developers. The Mezzanine API is a RESTful API that helps developers create custom content types, programmatically interact with the search engine, and customize the way the search engine accesses different types of content.
The New York Times' (NYT) list of web services includes some impressive APIs that make it easier to access and track information about a range of interests, including best selling books, real estate, people, articles, and the United States Government. The NY Times development team has been incorporating feedback from users in order to make changes and improvements on a regular basis. Most recently, NYT developers answered a request from users to add information about bills and speeches to its Congress API: