https://community.appian.com/discussions/f/integrations/1635/hi-i-am-trying-to-use-following-urlHi, I am trying to use following URl XXXX/.../lists.asmx in call web service smart service. But after entering the correct URL also I am getting the following error ”The WSDL requires authentication. Please provide valid credentials (APNX-1-4045-006)en-USTelligent Community 12https://community.appian.com/thread/5783?ContentTypeID=1Tue, 03 Dec 2013 16:17:23 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:1214381d-59dd-4691-93cf-4a041ec0bd0eatulpCall the same webservice from SOAP.<br />check the autherntication header and add authentication token as part of header.<div style="clear:both;"></div>https://community.appian.com/thread/5782?ContentTypeID=1Tue, 03 Dec 2013 15:57:07 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:735e8b8f-f7cc-49f2-90ee-37d41e3bd4f0shelzleWe tried to access SharePoint using the lists.asmx webservice provided by Microsoft. The WSDL is not consumeable by Appian. What version of SharePoint are you running? I am currently doing a POC using the REST interface (_vti_bin/ListData.svc). Works quite well.<div style="clear:both;"></div>https://community.appian.com/thread/5781?ContentTypeID=1Tue, 03 Dec 2013 15:15:28 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:08425ee0-8888-4cc2-b80d-09a4fe5ea116ankitb703441But after entering the correct Credential also I am getting the following error ”The WSDL requires authentication. Please provide valid credentials (APNX-1-4045-006)”<div style="clear:both;"></div>