Working with SOAP

Unlike REST, which is an architectural style, SOAP is a protocol. It is perhaps reasonable to compare working with SOAP to importing a .NET assembly (DLL) to work with the types inside. As a result, a SOAP client is much more strongly tied to a server than is the case with a REST interface.

SOAP uses XML to exchange information between the client and server.

Finding a SOAP service

SOAP-based web APIs are quite rare, less popular by far than REST. The examples in this section are based on a simple SOAP service I wrote for this book.

The service is available on GitHub as a Visual Studio solution: https://github.com/indented-automation/SimpleSOAP.

The solution should be downloaded, opened in Visual Studio (2015...