You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <general mainpage="Main Page" base="https://wiki.heatsynclabs.org/wiki/Main_Page" sitename="HeatSync Labs Wiki" generator="MediaWiki 1.19.0" phpversion="5.3.3" phpsapi="apache2handler" dbtype="mysql" dbversion="5.1.73" case="case-sensitive" rights="" lang="en" fallback8bitEncoding="windows-1252" writeapi="" timezone="America/Phoenix" timeoffset="-420" articlepath="/wiki/$1" scriptpath="/w" script="/w/index.php" variantarticlepath="" server="https://wiki.heatsynclabs.org" wikiid="wikidb-mw1_" time="2024-11-24T18:15:43Z">
      <fallback />
    </general>
    <namespaces>
      <ns id="-2" case="case-sensitive" canonical="Media" xml:space="preserve">Media</ns>
      <ns id="-1" case="first-letter" canonical="Special" xml:space="preserve">Special</ns>
      <ns id="0" case="case-sensitive" content="" xml:space="preserve" />
      <ns id="1" case="case-sensitive" subpages="" canonical="Talk" xml:space="preserve">Talk</ns>
      <ns id="2" case="first-letter" subpages="" canonical="User" xml:space="preserve">User</ns>
      <ns id="3" case="first-letter" subpages="" canonical="User talk" xml:space="preserve">User talk</ns>
      <ns id="4" case="case-sensitive" canonical="Project" xml:space="preserve">HeatSync Labs Wiki</ns>
      <ns id="5" case="case-sensitive" subpages="" canonical="Project talk" xml:space="preserve">HeatSync Labs Wiki talk</ns>
      <ns id="6" case="case-sensitive" canonical="File" xml:space="preserve">File</ns>
      <ns id="7" case="case-sensitive" subpages="" canonical="File talk" xml:space="preserve">File talk</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">MediaWiki talk</ns>
      <ns id="10" case="case-sensitive" canonical="Template" xml:space="preserve">Template</ns>
      <ns id="11" case="case-sensitive" subpages="" canonical="Template talk" xml:space="preserve">Template talk</ns>
      <ns id="12" case="case-sensitive" canonical="Help" xml:space="preserve">Help</ns>
      <ns id="13" case="case-sensitive" subpages="" canonical="Help talk" xml:space="preserve">Help talk</ns>
      <ns id="14" case="case-sensitive" canonical="Category" xml:space="preserve">Category</ns>
      <ns id="15" case="case-sensitive" subpages="" canonical="Category talk" xml:space="preserve">Category talk</ns>
      <ns id="100" case="case-sensitive" canonical="Corp" xml:space="preserve">Corp</ns>
      <ns id="101" case="case-sensitive" canonical="Corp talk" xml:space="preserve">Corp talk</ns>
      <ns id="102" case="case-sensitive" canonical="Board" xml:space="preserve">Board</ns>
    </namespaces>
    <namespacealiases>
      <ns id="6" xml:space="preserve">Image</ns>
      <ns id="7" xml:space="preserve">Image talk</ns>
    </namespacealiases>
    <statistics pages="963" articles="210" views="5270410" edits="6599" images="475" users="720" activeusers="2" admins="12" jobs="0" />
  </query>
</api>