Zend_Service_Ebay is a simple group of APIs for using eBay web services.
Zend_Service_Ebay implements the » eBay APIs:
In order to use Zend_Service_Ebay, you should already have an eBay Application ID. To get a key and for more information, please visit the » eBay Developers Program web site.
Your Application ID is linked to your eBay identity, so take appropriate measures to keep them private.