WSDL is an XML-based language for describing Web services and how to access them.
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WSDL stands for Web Services Description Language.
WSDL is a document written in XML. The document describes a Web service. It specifies the location of the service and the operations (or methods) the service exposes.
WSDL became a W3C Recommendation 26. June 2007.
You can read more about the XML Schema standard in our W3C tutorial.
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