eBay Compatible Application
When choosing a third-party eBay applications or hosted services, you can verify that the application works with the eBay platform by checking for eBay certified logos. The eBay Compatible Application logo is used for third-party applications that were developed by a member of the eBay Developers Program. These applications passed eBay's Compatible Application Check process and will work directly with the eBay Platform.
See also Certified eBay Solutions Provider.