https://community.appian.com/discussions/f/integrations/14981/webapi-permissionsHi, I have a WebAPI that I am calling from outside Appian. I have created a service account that is a Basic User that has Designer permissions and is a Viewer on the WebAPI object. When I try to call the API, passing the service account credentialsen-USTelligent Community 12https://community.appian.com/thread/66983?ContentTypeID=1Mon, 03 Jun 2019 15:31:17 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:ba58e9c5-7abc-4ac3-9411-3d40f0ff25f3Domen Jemec<p>Have you ensured&nbsp;that the credentials are sent&nbsp;<span>preemptively?<br /><br /></span></p> <p><span>Also, can you share the SAIL for the webAPI?&nbsp; a 500 error usually suggests an error in the api code evaluation or that the response&nbsp;is not formatted correctly as a&nbsp;HTTP Response.&nbsp;</span></p><div style="clear:both;"></div>https://community.appian.com/thread/66982?ContentTypeID=1Mon, 03 Jun 2019 15:00:16 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:18d53d32-f753-498c-be44-4e50a480f4c2olic<p>Thanks for your reply. It is a GET method.</p><div style="clear:both;"></div>https://community.appian.com/thread/66981?ContentTypeID=1Mon, 03 Jun 2019 14:58:47 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:3c7a1b18-1bd2-4a11-957b-ed71c32e9dfeDomen Jemec<p>What is your API method?&nbsp; For POST, PUT, and DELETE Web APIs you&#39;ll need to configure the CORS:&nbsp;<a href="https://docs.appian.com/suite/help/19.2/Web_APIs.html#cross-origin-requests">https://docs.appian.com/suite/help/19.2/Web_APIs.html#cross-origin-requests</a></p><div style="clear:both;"></div>