<location path="PATH TO YOUR API">
  <system.webServer>
     <validation validateIntegratedModeConfiguration="false" />
     <modules runAllManagedModulesForAllRequests="true">
       <remove name="Sitefinity"/>
       <remove name="SitefinityAnalyticsModule"/>
       <remove name="SitefinityAtompubModule"/>
       <remove name="RadUploadModule" />
       <remove name="RadCompression" />
     </modules>
   </system.webServer>
</location>