The Skimlinks Ruby SDK by Manuel Meurer wraps the APIs to implement marketing features into applications. APIs include Product, Merchant, Link, and Reporting. Skimlinks, in addition to marketing, provides eCommerce and publishing services.
In its effort to "deliver a developer-centric platform", eBay today announced that it is making its image recognition technology available to developers through an Image Search API. The API gives developers the ability to implement image search functionality into their apps.