Web ServicesLesson 105Free preview

XML SOAP

This lesson is part of XML · All levels

Summary

SOAP or Simple Object Access Protocol is an XML-based messaging protocol for exchanging structured information. Each envelope-shaped message contains optional Header and mandatory Body sections, all in the standard SOAP namespace. SOAP is generally transported via HTTP with Content-Type application/soap+xml and supports both RPC and document/literal calling styles.

Key points

Message structure: <Envelope> contains optional and mandatory <Header> (<Body>)
The body reported a message processing error
SOAP 1.1 and 1.2 use different namespaces
SOAP can run on HTTP, SMTP, or other protocols
SOAP is used with WSDL to define operations and endpoints

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