Problem with Web API and integration

Problem with Web API and integrationhttps://community.appian.com/discussions/f/integrations/30608/problem-with-web-api-and-integrationHello, I'm creating a Web API for the first time, and I'm facing issues, perhaps due to not knowing how to test it. I have the Web API set up, and when I click the button to test it, it returns the value correctly: However, when trying to do iten-USTelligent Community 12RE: Problem with Web API and integrationhttps://community.appian.com/thread/121696?ContentTypeID=1Tue, 14 Nov 2023 16:04:38 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:91dcd587-b872-4ffd-ac1b-c9de55a999e3Stefan Helzle<p>Seems like you did not provide any authentication in postman.</p> <p><a href="https://docs.appian.com/suite/help/23.4/Web_API_Authentication.html">docs.appian.com/.../Web_API_Authentication.html</a></p><div style="clear:both;"></div>