The MailChimp Node.js sample code by Pete Holiday explains with an application the way to interact with the official wrapper. It allows developers to set up a common environment for integration, make API calls, and display the results. Node.js wrapper available at https://www.npmjs.com/package/mailchimp-api
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.
CrowdRiff has announced API access to its Visual Influence platform. API access to CrowdRiff features allow users to deliver user-generated photos and associated features to marketing products and campaigns. Features include social media search, calls to action, photo acquisition, and more.