Yes. We have a strong community of shopping carts and eCommerce software platforms who integrate with us. Learn more about these partners and how they are leveraging our APIs by visiting their websites! 

Shopping Carts   eCommerce Platforms
Spree webstore   Red Knight Marketing
PictureCart   Micro Computer Systems
ProductCart (Netsource)   Servers-Inc    

In addition to the partners who are integrated via the REST API, we also have partners who have integrated via our SOAP based APIs.
U.S. SOAP partner directory
U.K. SOAP partner directory