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="2023-01-07T12:39:40Z|629" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="new" ns="0" title="EHealth Symposium Südwest 2024" rcid="639" pageid="265" revid="700" old_revid="0" timestamp="2024-04-17T07:50:54Z" />
      <rc type="edit" ns="0" title="Main Page" rcid="638" pageid="1" revid="699" old_revid="695" timestamp="2024-04-16T19:03:57Z" />
      <rc type="edit" ns="0" title="PlanetData project" rcid="637" pageid="37" revid="698" old_revid="96" timestamp="2024-04-16T18:58:38Z" />
      <rc type="edit" ns="0" title="Axel Polleres" rcid="636" pageid="264" revid="697" old_revid="696" timestamp="2024-04-16T18:57:10Z" />
      <rc type="new" ns="0" title="Axel Polleres" rcid="635" pageid="264" revid="696" old_revid="0" timestamp="2024-04-16T18:56:26Z" />
      <rc type="edit" ns="0" title="Main Page" rcid="634" pageid="1" revid="695" old_revid="692" timestamp="2023-02-26T14:06:15Z" />
      <rc type="new" ns="0" title="EHealth Symposium Südwest 2023" rcid="633" pageid="263" revid="694" old_revid="0" timestamp="2023-02-26T14:05:11Z" />
      <rc type="log" ns="6" title="File:Benedikt eHealth Symposium Südwest 2023 - ChatGPT small.jpg" rcid="632" pageid="262" revid="0" old_revid="0" timestamp="2023-02-26T14:02:50Z" />
      <rc type="edit" ns="0" title="Main Page" rcid="631" pageid="1" revid="692" old_revid="664" timestamp="2023-02-26T13:59:56Z" />
      <rc type="log" ns="6" title="File:Benedikt 2023.jpg" rcid="630" pageid="261" revid="0" old_revid="0" timestamp="2023-02-26T13:59:45Z" />
    </recentchanges>
  </query>
</api>