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="2023-03-13T20:47:03Z|89416" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Techniker Schule Butzbach/Verfahrenstechnik/Mischtechnik/Pflugscharmischer" rcid="89426" pageid="7745" revid="87638" old_revid="87637" timestamp="2024-02-05T17:20:08Z" />
      <rc type="edit" ns="0" title="Techniker Schule Butzbach/Verfahrenstechnik/Mischtechnik/Pflugscharmischer" rcid="89425" pageid="7745" revid="87637" old_revid="45670" timestamp="2024-02-05T17:19:32Z" />
      <rc type="edit" ns="0" title="Mathematik und Informatik – Uni Marburg/Gymnasium Philippinum/Mathematik 9a" rcid="89424" pageid="12023" revid="87636" old_revid="87635" timestamp="2023-05-01T21:19:49Z" />
      <rc type="new" ns="0" title="Mathematik und Informatik – Uni Marburg/Gymnasium Philippinum/Mathematik 9a" rcid="89423" pageid="12023" revid="87635" old_revid="0" timestamp="2023-05-01T21:16:31Z" />
      <rc type="edit" ns="0" title="Mathematik und Informatik – Uni Marburg/Gymnasium Philippinum" rcid="89422" pageid="12014" revid="87634" old_revid="87633" timestamp="2023-05-01T21:13:32Z" />
      <rc type="edit" ns="0" title="Mathematik und Informatik – Uni Marburg/Gymnasium Philippinum" rcid="89421" pageid="12014" revid="87633" old_revid="87559" timestamp="2023-05-01T21:12:58Z" />
      <rc type="edit" ns="2" title="Benutzer:JDrewes" rcid="89420" pageid="4942" revid="87632" old_revid="84122" timestamp="2023-03-14T19:12:27Z" />
      <rc type="edit" ns="8" title="MediaWiki:Sitenotice" rcid="89419" pageid="1361" revid="87631" old_revid="87630" timestamp="2023-03-13T20:51:05Z" />
      <rc type="edit" ns="8" title="MediaWiki:Sitenotice" rcid="89418" pageid="1361" revid="87630" old_revid="87629" timestamp="2023-03-13T20:49:20Z" />
      <rc type="edit" ns="8" title="MediaWiki:Sitenotice" rcid="89417" pageid="1361" revid="87629" old_revid="87628" timestamp="2023-03-13T20:48:41Z" />
    </recentchanges>
  </query>
</api>