WSDL

Web Service Description Language (WSDL) is a collection of metadata about XML-based services used for describing what businesses do and how to access their services electronically. Based on SOAP, WSDL specifies the procedures to discover functional and technical information about Web services over the Internet.

A WSDL document is comprised of a number of elements:

  • Type definitions, for data elements (normally using XML Schema).

  • Message definitions, which comprise one or more typed data elements.

  • Operation definitions, which are abstract descriptions of actions supported by the service, and which define what are the input and output messages.

  • PortType definitions, which list the set of operations supported by the Web service.

  • Binding definitions, ...

Get Next Generation Application Integration: From Simple Information to Web Services now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.