 <p>Here is how I would generally do this. </p> <ol> <li>A Use the web service tester in Workday Studio. Use that and the Xml request template it creates to get the request working. Then build the same request in another tool you can automate Or </li> <li>Use SoapUi to consume the WSDL for this web service . Get the request working in SoapUI first </li> <li>Use wsdl2java to create all the necessary Java classes for calling the Launch EIB service . Then write the call programmatically . </li> </ol> <p>I have code sitting around for launching Studio integrations this way and EIB launch seems to be similar. Let me know if you would like to see the code for studio launching. </p>