Introduction to WSDL

## Web Services

WS Home WS Intro WS Example WS Use

## WSDL Tutorial

WSDL Intro WSDL Documents WSDL PortType WSDL Binding WSDL and UDDI

## SOAP Tutorial

SOAP Intro SOAP Syntax SOAP Envelope SOAP Header SOAP Body SOAP Fault SOAP HTTP Binding SOAP Example

## RDF Tutorial

RDF Intro RDF Rules RDF Example RDF Elements RDF Containers RDF Collections RDF Schema RDF Dublin Core RDF OWL RDF Reference

# Introduction to WSDL

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WSDL stands for Web Services Description Language.

WSDL is a language for describing web services and how to access them.

WSDL is written in XML.

## What You Should Already Know

Before you continue you should have a basic understanding of the following:

- XML
- XML Namespaces
- XML Schema

If you want to study these subjects first, find the tutorials on our Home page.

## What is WSDL?

- WSDL stands for Web Services Description Language
- WSDL is written in XML
- WSDL is an XML document
- WSDL is used to describe Web services
- WSDL is also used to locate Web services
- WSDL is a W3C recommendation

## WSDL Describes Web Services

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 is a W3C Recommendation

WSDL became a W3C Recommendation 26. June 2007.

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