https://community.appian.com/discussions/f/integrations/21490/is-it-possible-to-create-a-web-api-that-gets-data-from-outside-appianI am trying to create a WEB API that gets data from outside Appian and is available to start a PM with that data, however it doesn&#39;t seem to be available to work because I am getting a 404 pageen-USTelligent Community 12https://community.appian.com/thread/83967?ContentTypeID=1Fri, 23 Jul 2021 05:35:21 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:80e367e3-edb4-4ae8-bfa6-17896150e8c2Stefan Helzle<p>Start here</p> <p><a href="https://docs.appian.com/suite/help/21.2/passing-a-web-api-document-into-a-process-model.html">docs.appian.com/.../passing-a-web-api-document-into-a-process-model.html</a></p><div style="clear:both;"></div>https://community.appian.com/thread/83962?ContentTypeID=1Fri, 23 Jul 2021 02:50:21 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:a95ae5d6-da0a-4fe5-8f1e-f13c6f7aeb42Selvakumar Kumarasamy<p>Hi <a href="/members/sergiog0002">sergiog0002</a>,</p> <p>It is possible to create a POST web API in Appian to receive triggers from an external source and start a process model. Wgile creating a Web API, you will have the template to create a start process API.</p> <p><img alt=" " src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/18/pastedimage1627008630934v1.png" /></p> <p></p> <p>Can you provide more details on how do you get the 404 error? Like where did you test the API &amp; what&#39;s the authentication method used?</p><div style="clear:both;"></div>