The Tophatter API returns JSON data with products, variations, orders, product & order attributes, and performance. Developers can use basic auth to authenticate over SSL. Sample codes are available in cURL, Ruby, PHP, and Java. Tophatter is a live online auction site.
Ten APIs have been added to the ProgrammableWeb directory in categories including Cryptocurrency, Hardware, and Networking. Highlights include APIs for retrieving digital content from the University of California, and an API which returns the elevation of an application user.