Organização sem fins-lucrativos formada por +/- 380 instituições voluntárias de vários países que, desde 1994, define padrões de:
These were originally designed around the HTTP web services paradigm for message-based interactions in web-based systems. However, in the last year the members have been working on defining a common approach for SOAP protocol and WSDL bindings. There has also been considerable work and progress in defining Representational State Transfer web services..