The Stripe Node.js Library by Stripe is a REST resource. The library API is designed for predictable, resource-oriented URLs and HTTP response codes to indicate API errors. Further, it aims to support the built-in HTTP features, like HTTP authentication and HTTP verbs with off-the-shelf HTTP clients, and the support cross-origin resource sharing to allow interaction with the API from a client-side web application. The returns are in JSON, including errors.
Under the rubrick of what it calls a "Sales Channel SDK," Shopify has launched a series of APIs so that developers can build new sales channels that Shopify's merchants can then use to extend the visibility of their catalogs. The company also announced new partners who will be using those APIs.
CityDeals.com, local/national deal and discount finder, enables developers to access its deals database via the CityDeals API. Third party apps can feature daily deals and discounts, or provide a searchable interface of CityDeals.com's entire portfolio of discounts. CityDeals.com partners with retailers and service providers around the globe to provide an expansive offer of discounts applicable on a national scale or at the local level.