UDDI is used for registries of web services, not for individual ones. (What's more, it didn't really catch on, so there are very few registries around, and they're more trouble than they're worth, IMO) Are you possibly confusing UDDI with a WSDL description (which does exist for Ebay) ?
Post by:autobot
If we don't do the shopping, we won't have anything for dinner. And I've invited this tiny ad:
a bit of art, as a gift, that will fit in a stocking