Yes, very. Structured specs, and the API docs speak about an EAN/UPC/JAN field. But their free XML service, whatever it entails, seems to be defunct (asking for

Yes, very. Structured specs, and the API docs speak about an EAN/UPC/JAN field. But their free XML service, whatever it entails, seems to be defunct (asking for http auth without having provided those credentials), and it is a "ask us for pricing" service.