In this tutorial, we're going to learn how we can perform a SOAP callout using apex to a 3rd party SOAP API from Salesforce.
The code used in this tutorial is available in the soapcallout branch of my github repository here:- https://github.com/rahulmalhotra/SFDC...
Link to blog:- https://www.sfdcstop.com/2020/01/sale...
Link to updated calculator WSDL with single binding:- https://gist.github.com/rahulmalhotra...