https://community.appian.com/discussions/f/integrations/24956/authentication-in-appianCan we call the web API service outside the Appian without the 3 authentication services(Basic Auth, API Auth, oAuth 2.0)en-USTelligent Community 12https://community.appian.com/thread/96553?ContentTypeID=1Tue, 21 Jun 2022 14:16:50 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:f7a8b9fe-4b87-4def-908e-01444344e1a9Stefan Helzle<p>API calls always need one of the supported ways of authentication.</p> <p>Can you elaborate your question? What do you want to achieve?</p><div style="clear:both;"></div>