You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <recentchanges rccontinue="20230406082700|3858" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Windows Service Permissions" pageid="2098" revid="3566" old_revid="3565" rcid="3868" timestamp="2024-04-04T07:13:41Z" />
      <rc type="new" ns="0" title="Windows Service Permissions" pageid="2098" revid="3565" old_revid="0" rcid="3867" timestamp="2024-04-04T07:06:31Z" />
      <rc type="edit" ns="0" title="Timedatectl" pageid="2086" revid="3564" old_revid="3535" rcid="3866" timestamp="2023-12-14T07:52:35Z" />
      <rc type="edit" ns="0" title="Raspberry Pi NUT Server" pageid="2075" revid="3563" old_revid="3562" rcid="3865" timestamp="2023-10-19T10:50:11Z" />
      <rc type="edit" ns="0" title="Raspberry Pi NUT Server" pageid="2075" revid="3562" old_revid="3513" rcid="3864" timestamp="2023-10-19T10:49:53Z" />
      <rc type="edit" ns="0" title="Kerberos and CNAMEs" pageid="2097" revid="3561" old_revid="3560" rcid="3863" timestamp="2023-06-30T04:59:46Z" />
      <rc type="new" ns="0" title="Kerberos and CNAMEs" pageid="2097" revid="3560" old_revid="0" rcid="3862" timestamp="2023-06-30T04:57:58Z" />
      <rc type="edit" ns="0" title="Ecowitt GW1000" pageid="2063" revid="3559" old_revid="3558" rcid="3861" timestamp="2023-04-10T08:57:25Z" />
      <rc type="edit" ns="0" title="Ecowitt GW1000" pageid="2063" revid="3558" old_revid="3557" rcid="3860" timestamp="2023-04-06T08:29:26Z" />
      <rc type="edit" ns="0" title="Ecowitt GW1000" pageid="2063" revid="3557" old_revid="3556" rcid="3859" timestamp="2023-04-06T08:27:21Z" />
    </recentchanges>
  </query>
</api>