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>
    <usercontribs ucstart="2024-04-07T15:45:37Z" />
  </query-continue>
  <query>
    <usercontribs>
      <item userid="634" user="Dufo" pageid="38218" revid="612208" parentid="611901" ns="4" title="Kamelopedia:Statistik" timestamp="2024-05-01T04:17:43Z" top="" comment="" size="58220" />
      <item userid="634" user="Dufo" pageid="95189" revid="612207" parentid="612167" ns="0" title="Offenbar" timestamp="2024-05-01T04:00:41Z" minor="" comment="" size="1578" />
      <item userid="634" user="Dufo" pageid="95200" revid="612206" parentid="0" ns="0" title="Otter" timestamp="2024-05-01T03:56:14Z" new="" top="" comment="[[KP:AZ|AZ]]: Weiterleitung nach [[Fischotter]] erstellt" size="24" />
      <item userid="634" user="Dufo" pageid="88367" revid="612205" parentid="612196" ns="0" title="Otterstadt" timestamp="2024-05-01T03:55:45Z" minor="" top="" comment="" size="1971" />
      <item userid="634" user="Dufo" pageid="9815" revid="612199" parentid="612198" ns="0" title="Getriebe" timestamp="2024-04-30T21:53:01Z" top="" comment="" size="1157" />
      <item userid="634" user="Dufo" pageid="9815" revid="612198" parentid="568453" ns="0" title="Getriebe" timestamp="2024-04-30T21:49:48Z" comment="" size="1117" />
      <item userid="634" user="Dufo" pageid="95169" revid="612154" parentid="612030" ns="106" title="Kamelionary:Fußball" timestamp="2024-04-19T14:19:52Z" minor="" top="" comment="" size="3818" />
      <item userid="634" user="Dufo" pageid="95185" revid="612153" parentid="612142" ns="106" title="Kamelionary:Spaflamme" timestamp="2024-04-19T14:12:25Z" minor="" comment="" size="4593" />
      <item userid="634" user="Dufo" pageid="95130" revid="612131" parentid="611786" ns="108" title="News:2024-03-08 – Wollt ihr den totalen Atomkrieg?" timestamp="2024-04-16T18:50:03Z" minor="" top="" comment="" size="8984" />
      <item userid="634" user="Dufo" pageid="94862" revid="612130" parentid="610580" ns="108" title="News:2023-08-30 – „Die Gurkentruppe“ wird Nachfolger „der Mannschaft“" timestamp="2024-04-16T18:44:06Z" minor="" top="" comment="" size="1623" />
    </usercontribs>
  </query>
</api>