The SOAP Over XMPP protocol is specified in XEP-0072 (a Draft Standard of the XMPP Standards Foundation). This specification defines methods for transporting SOAP messages over XMPP. Although the protocol supports only the request-response message exchange pattern, the protocol is formally defined as a SOAP Protocol Binding in accordance with version 1.2 of the W3C SOAP specification. In addition, a WSDL definition is defined for the purpose of advertising the availability of this protocol binding.

The following XML namespaces are used in the context of the SOAP Over XMPP protocol:

Information about this XMPP protocol is maintained by the XMPP Registrar.