The Ventata Java SDK by Ventata is a reference that interacts with the API to access eCommerce, analytics, and automation features. It includes a JSON external library available at https://github.com/Ventata/API/tree/master/java/ExternalLibraries
What do you get when you use APIs to mashup retail shopping, auctions, analytics, reviews and coupons? For the VC-funded startup Mpire, you get a very useful set of shopping tools, what they call a universal shopping experience.
So far, Paul Hunkin's bot has bought him two sets of camera batteries, a gift bag, a USB extension cord, a 1955 stamped envelope and a smattering of other items. Hunkin, you see, decided to bring an XKCD cartoon to life by programming a bot that automatically purchases cheap items using a New Zealand auction site's Trade Me API... because packages are exciting.
ReferralCandy is an online marketing company that specializes in referral marketing. The company provides a plug-and-play platform that makes referral marketing easier. Techinasia.com notes that ReferralCandy modeled their structure after Dropbox’s two-sided incentive referral program. Dropbox’s program rewarded both the user that signed up through a referral link and the referrer with additional storage space. This tactic has proven successful for ReferralCandy who recently released their ReferralCandy API.