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="20250328131912|12246" />
  </query-continue>
  <query>
    <recentchanges>
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      <rc type="edit" ns="0" title="Henriette de Coligny, comtesse de La Suze" pageid="981" revid="12447" old_revid="12440" rcid="12255" timestamp="2025-03-28T13:55:24Z" />
      <rc type="edit" ns="4" title="SiefarWikiFr:Actualités" pageid="2898" revid="12446" old_revid="12424" rcid="12254" timestamp="2025-03-28T13:27:58Z" />
      <rc type="edit" ns="0" title="Élise Legendre" pageid="3775" revid="12445" old_revid="12366" rcid="12253" timestamp="2025-03-28T13:27:07Z" />
      <rc type="log" ns="0" title="Henriette de Coligny/Philibert Riballier et Catherine Cosson" pageid="3811" revid="0" old_revid="0" rcid="12252" timestamp="2025-03-28T13:26:19Z" />
      <rc type="log" ns="0" title="Henriette de Coligny/Fortunée Briquet" pageid="3810" revid="0" old_revid="0" rcid="12251" timestamp="2025-03-28T13:25:26Z" />
      <rc type="edit" ns="0" title="Henriette de Coligny, comtesse de La Suze" pageid="981" revid="12440" old_revid="12439" rcid="12250" timestamp="2025-03-28T13:24:24Z" />
      <rc type="edit" ns="0" title="Henriette de Coligny, comtesse de La Suze" pageid="981" revid="12439" old_revid="12438" rcid="12249" timestamp="2025-03-28T13:23:43Z" />
      <rc type="edit" ns="0" title="Henriette de Coligny, comtesse de La Suze" pageid="981" revid="12438" old_revid="12437" rcid="12248" timestamp="2025-03-28T13:23:20Z" />
      <rc type="edit" ns="0" title="Henriette de Coligny, comtesse de La Suze" pageid="981" revid="12437" old_revid="12434" rcid="12247" timestamp="2025-03-28T13:20:43Z" />
    </recentchanges>
  </query>
</api>