https://community.appian.com/discussions/f/integrations/22986/how-to-call-a-process-from-a-get-web-apiHi All, I am creating Document Download WebAPI which will be called by external system to download Appian Document . I want to capture few parameters such as data, time , document , user whenever the document is downloaded (for an audit purpose) .Ien-USTelligent Community 12https://community.appian.com/thread/89115?ContentTypeID=1Wed, 15 Dec 2021 21:41:07 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:3797619e-577b-4d07-9850-55c39679e5f8Richard Michaelis<p>stefan is absolutly right here regarding &quot;GET&quot;<br /><a href="https://docs.appian.com/suite/help/21.4/Web_APIs.html">https://docs.appian.com/suite/help/21.4/Designing_Web_APIs.html<br /></a><em>&quot;Only Web APIs for the&nbsp;<code class="language-plaintext highlighter-rouge">POST</code>,&nbsp;<code class="language-plaintext highlighter-rouge">PUT</code>,&nbsp;<code class="language-plaintext highlighter-rouge">DELETE</code>, and&nbsp;<code class="language-plaintext highlighter-rouge">PATCH</code>&nbsp;methods may execute smart services. Web APIs for the&nbsp;<code class="language-plaintext highlighter-rouge">GET</code>&nbsp;method will not execute any smart services included in their expression. Attempting to do so will result in the following error message:&nbsp;<code class="language-plaintext highlighter-rouge">Smart Services cannot be executed in Web APIs that have a method of &quot;GET.&quot;</code></em><br /><br /></p><div style="clear:both;"></div>https://community.appian.com/thread/89106?ContentTypeID=1Wed, 15 Dec 2021 18:29:23 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:357c9c03-d9ef-49eb-b584-3426cadcc655Stefan Helzle<p>A GET API cannot modify data in Appian.Why does that have to be a GET?</p><div style="clear:both;"></div>