Sample WSDL FOR Practice
Can anyone provide with free WSDL for practicing SOAP.
Forum Discussion
You could try https://github.com/public-apis/public-apis, which is a great source of open APIs, though in the main they tend to be RESTful.
Or, you could try this list the Postman site, https://documenter.getpostman.com/view/8854915/Szf26WHn?version=latest