MarkLogic: Getting the status of a backup using the ReST API

rest-backup-status.xqy

xquery version "1.0-ml";

declare variable $payload-status := '{"operation": "backup-status", "job-id" : "' || "8774639830166037592" || '","host-name": "' || xdmp:host-name() || '"}';

xdmp:http-post("http://localhost:8002/manage/v2/databases/Documents?format=json",
  <options xmlns="xdmp:http">
       <authentication method="digest">
         <username>admin</username>
         <password>admin</password>
       </authentication>
       <data>{$payload-status}</data>
       <headers>
         <content-type>application/json</content-type>
         <accept>application/json</accept>
       </headers>
     </options>)