SOAP web services explained with a practical SoapUI demo. Learn how SOAP envelopes, WSDL, XSD and WS-Security work—and why banks, insurers and government systems still rely on SOAP.
Think SOAP is dead? This beginner-friendly tutorial shows what happens inside a SOAP request, how a service contract generates requests, and why established enterprise integrations remain valuable.
In this video, you’ll learn:
– How the SOAP Envelope, optional Header, Body and Fault fit together
– What WSDL describes and how XSD defines message types
– How to send a CapitalCity request in SoapUI: IE in, Dublin out
– How Postman can import a WSDL
– How WS-Security differs from HTTPS transport protection
– How CICS connects existing COBOL programs to SOAP web services
– How WSDL contracts compare with plain REST endpoints
Chapters:
00:00 Is SOAP dead?
00:13 Why SOAP is still everywhere
00:34 What you’ll learn
00:55 The registered-letter analogy
01:12 What is SOAP?
01:35 SOAP envelope, header and body
02:08 Reading a SOAP XML message
02:38 SOAP faults and invalid requests
03:17 WSDL: the service contract
03:54 WSDL explained through a bank form
04:16 XSD and message validation
04:40 Contract-first client generation
04:56 SoapUI demo: calling a SOAP service
05:56 Importing WSDL into Postman
06:10 Why SOAP survives
06:22 WS-Security explained
06:52 WS-Security vs HTTPS
07:15 WS-* standards and enterprise guarantees
07:36 Existing systems, CICS and COBOL
08:18 Why replacing SOAP integrations carries risk
08:53 Quiz: WSDL vs REST
09:03 Quiz answer
09:27 Recap and closing
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