What Is WSDL 2.0

WSDL Tutorials - Herong's Tutorial Examples

∟What Is WSDL 2.0

This section describes what is a WSDL 2.0 - Version 2.0 of WSDL (Web Services Definition Language is a language that can be used to define Web services as WSDL documents.

What is WSDL (Web Services Definition Language)? WSDL is a language that can be used to define Web services.

WSDL was developed by W3C. 2 major versions have been released so far.

WSDL 1.1 - Released on 15 March 2001. Specification of WSDL 1.1 is available at https://www.w3.org/TR/2001/NOTE-wsdl-20010315.
WSDL 2.0 - Released on 26 June 2007. Specification of WSDL 2.0 is available at http://www.w3.org/TR/wsdl20-primer/.

At a high level, WSDL is a language that allows you to write WSDL documents, so that:

A WSDL document can define a set of Web services.
A Web service can be defined as an interface and a set of end points.
An end point can be defined as an address and a binding.
An address can be defined to tell where the service is provided.
A binding can be defined to tell how messages should be formatted and transmitted.
An interface can be defined as a set of operations.
An operation can be defined as a sequence of input and output messages.