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="20240219131033|30506" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Versão 1.8.0.590 Base Locação" pageid="5667" revid="30123" old_revid="30122" rcid="30516" timestamp="2024-03-05T15:16:57Z" />
      <rc type="edit" ns="0" title="Versão 1.8.0.590 Base Locação" pageid="5667" revid="30122" old_revid="30117" rcid="30515" timestamp="2024-03-05T15:16:43Z" />
      <rc type="edit" ns="0" title="Versão 1.8.0.581 Base Condomínio" pageid="5666" revid="30121" old_revid="30120" rcid="30514" timestamp="2024-02-20T12:52:38Z" />
      <rc type="edit" ns="0" title="Versão 1.8.0.581 Base Condomínio" pageid="5666" revid="30120" old_revid="30119" rcid="30513" timestamp="2024-02-20T12:51:40Z" />
      <rc type="edit" ns="0" title="Versão 1.8.0.581 Base Condomínio" pageid="5666" revid="30119" old_revid="30115" rcid="30512" timestamp="2024-02-20T12:45:42Z" />
      <rc type="edit" ns="14" title="Categoria:Notas de Versões Base Condomínio" pageid="206" revid="30118" old_revid="30111" rcid="30511" timestamp="2024-02-20T12:22:37Z" />
      <rc type="new" ns="0" title="Versão 1.8.0.590 Base Locação" pageid="5667" revid="30117" old_revid="0" rcid="30510" timestamp="2024-02-19T14:19:10Z" />
      <rc type="edit" ns="14" title="Categoria:Notas de Versões Base Locação" pageid="380" revid="30116" old_revid="29903" rcid="30509" timestamp="2024-02-19T13:52:30Z" />
      <rc type="edit" ns="0" title="Versão 1.8.0.581 Base Condomínio" pageid="5666" revid="30115" old_revid="30114" rcid="30508" timestamp="2024-02-19T13:46:57Z" />
      <rc type="edit" ns="0" title="Versão 1.8.0.581 Base Condomínio" pageid="5666" revid="30114" old_revid="30113" rcid="30507" timestamp="2024-02-19T13:39:22Z" />
    </recentchanges>
  </query>
</api>