This is the official Shopify Ruby Gem that allows developers to programmatically access the admin functionality of Shopify stores. Developers can create apps for themselves through their own admin access. All API usage happens through Shopify applications; shop owners can create applications for themselves through their own admin. Developers are given functionality across articles, assets, customers, events and more. The API uses a RESTful interface and responses are formatted in XML and JSON.
This week, Amazon announced Subscribe with Amazon. The offering is a subscription service for sellers of digital products and services. Through a series of APIs, subscription sellers can use Amazon infrastructure to offer products and services on monthly, quarterly, and yearly basis.
Prosperent has released "the performance advertising industry's first and only celebrity product API." The celebrity product API will allow content creators and developers to include products associated with celebrities into advertising campaigns. According to Propserent's CEO, Brian Lovett, "hundreds of hours" are currently spent researching celebrity-product affiliations.