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>
    <general mainpage="Accueil" base="https://www.genealogie22.com/guerre-14-18/index.php?title=Accueil" sitename="Les Côtes-d&#039;Armor dans la Grande Guerre" generator="MediaWiki 1.20.5" phpversion="5.5.38" phpsapi="fpm-fcgi" dbtype="mysql" dbversion="5.6.49-log" case="first-letter" rights="Creative Commons Attribution" lang="fr" fallback8bitEncoding="windows-1252" writeapi="" timezone="Europe/Zurich" timeoffset="120" articlepath="/guerre-14-18/index.php?title=$1" scriptpath="/guerre-14-18" script="/guerre-14-18/index.php" variantarticlepath="" server="https://www.genealogie22.com" wikiid="eoqq_genealogie22com15-wk_" time="2025-05-10T15:12:16Z" maxuploadsize="104857600">
      <fallback>
        <lang code="en" />
      </fallback>
    </general>
    <namespaces>
      <ns id="-2" case="first-letter" canonical="Media" xml:space="preserve">Média</ns>
      <ns id="-1" case="first-letter" canonical="Special" xml:space="preserve">Spécial</ns>
      <ns id="0" case="first-letter" content="" xml:space="preserve" />
      <ns id="1" case="first-letter" subpages="" canonical="Talk" xml:space="preserve">Discussion</ns>
      <ns id="2" case="first-letter" subpages="" canonical="User" xml:space="preserve">Utilisateur</ns>
      <ns id="3" case="first-letter" subpages="" canonical="User talk" xml:space="preserve">Discussion utilisateur</ns>
      <ns id="4" case="first-letter" canonical="Project" xml:space="preserve">Histoires de nos ancêtres</ns>
      <ns id="5" case="first-letter" subpages="" canonical="Project talk" xml:space="preserve">Discussion Histoires de nos ancêtres</ns>
      <ns id="6" case="first-letter" canonical="File" xml:space="preserve">Fichier</ns>
      <ns id="7" case="first-letter" subpages="" canonical="File talk" xml:space="preserve">Discussion fichier</ns>
      <ns id="8" case="first-letter" subpages="" canonical="MediaWiki" xml:space="preserve">MediaWiki</ns>
      <ns id="9" case="first-letter" subpages="" canonical="MediaWiki talk" xml:space="preserve">Discussion MediaWiki</ns>
      <ns id="10" case="first-letter" canonical="Template" xml:space="preserve">Modèle</ns>
      <ns id="11" case="first-letter" subpages="" canonical="Template talk" xml:space="preserve">Discussion modèle</ns>
      <ns id="12" case="first-letter" canonical="Help" xml:space="preserve">Aide</ns>
      <ns id="13" case="first-letter" subpages="" canonical="Help talk" xml:space="preserve">Discussion aide</ns>
      <ns id="14" case="first-letter" canonical="Category" xml:space="preserve">Catégorie</ns>
      <ns id="15" case="first-letter" subpages="" canonical="Category talk" xml:space="preserve">Discussion catégorie</ns>
      <ns id="274" case="first-letter" canonical="Widget" xml:space="preserve">Widget</ns>
      <ns id="275" case="first-letter" subpages="" canonical="Widget talk" xml:space="preserve">Widget talk</ns>
    </namespaces>
    <namespacealiases>
      <ns id="6" xml:space="preserve">Image</ns>
      <ns id="7" xml:space="preserve">Image talk</ns>
      <ns id="1" xml:space="preserve">Discuter</ns>
      <ns id="3" xml:space="preserve">Discussion Utilisateur</ns>
      <ns id="7" xml:space="preserve">Discussion Fichier</ns>
      <ns id="7" xml:space="preserve">Discussion Image</ns>
      <ns id="11" xml:space="preserve">Discussion Modèle</ns>
      <ns id="13" xml:space="preserve">Discussion Aide</ns>
      <ns id="15" xml:space="preserve">Discussion Catégorie</ns>
    </namespacealiases>
    <statistics pages="3592" articles="1822" views="21692286" edits="24882" images="1185" users="106" activeusers="0" admins="4" jobs="0" />
  </query>
</api>