Statistics on eBay Web Services usage
As of December 2005, the eBay Developers Program had more than 25,000 members who created 1,900 live applications. Approximately 47% of eBay.com listings are through eBay Web Services. Nearly 50% are from third-party developer tools created by companies. During Q4 2005, the eBay Platform handled more than 8 bln Web service requests, up from less than 1 bln for the entire year of 2002. The number of eBay Web Services transactions through APIs increased 84% annually, too.