Web services description language

The Web Services Description Language (WSDL) is an XML format published for describing Web services. Version V 1.1 has not been endorsed by the World Wide Web Consortium, however it is now working on a new version 1.2, that will be an official standard, and thus endorsed by the W3C.

It is commonly abbreviated as WSDL in technical literature.

WSDL describes the public interface to the web service. This is an XML-based service description on how to communicate using the web service; namely the protocol bindings and message formats required to interact with the web services listed in its directory. The supported operations and messages are described abstractly, and then bound to a concrete network protocol and message format.

See also

• Web Service
• SOAP
• UDDI
• WS-I Basic Profile

External links

• WSDL 1.1 Specification (http://www.w3.org/TR/wsdl)
• Web Services Description Working Group (http://www.w3.org/2002/ws/desc/)
• XML protocol activity (http://www.w3.org/2000/xp/)

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