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="Main Page" base="http://gsm.hyperbody.nl/index.php/Main_Page" sitename="gsm" logo="/skins/common/images/gsmlogo.png" generator="MediaWiki 1.22.6" phpversion="5.6.40" phpsapi="apache2handler" dbtype="mysql" dbversion="5.5.5-10.1.25-MariaDB" imagewhitelistenabled="" langconversion="" titleconversion="" linkprefix="" linktrail="/^([a-z]+)(.*)$/sD" case="first-letter" rights="" lang="en" fallback8bitEncoding="windows-1252" writeapi="" timezone="Europe/Berlin" timeoffset="60" articlepath="/index.php/$1" scriptpath="" script="/index.php" variantarticlepath="" server="http://gsm.hyperbody.nl" wikiid="w_gsm" time="2021-11-28T02:59:34Z" maxuploadsize="5242880">
      <fallback />
    </general>
    <namespaces>
      <ns id="-2" case="first-letter" canonical="Media" xml:space="preserve">Media</ns>
      <ns id="-1" case="first-letter" canonical="Special" xml:space="preserve">Special</ns>
      <ns id="0" case="first-letter" content="" xml:space="preserve" />
      <ns id="1" case="first-letter" 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="first-letter" subpages="" canonical="Project" xml:space="preserve">gsm</ns>
      <ns id="5" case="first-letter" subpages="" canonical="Project talk" xml:space="preserve">gsm talk</ns>
      <ns id="6" case="first-letter" canonical="File" xml:space="preserve">File</ns>
      <ns id="7" case="first-letter" 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="first-letter" canonical="Template" xml:space="preserve">Template</ns>
      <ns id="11" case="first-letter" subpages="" canonical="Template talk" xml:space="preserve">Template talk</ns>
      <ns id="12" case="first-letter" subpages="" canonical="Help" xml:space="preserve">Help</ns>
      <ns id="13" case="first-letter" subpages="" canonical="Help talk" xml:space="preserve">Help talk</ns>
      <ns id="14" case="first-letter" canonical="Category" xml:space="preserve">Category</ns>
      <ns id="15" case="first-letter" subpages="" canonical="Category talk" xml:space="preserve">Category talk</ns>
      <ns id="100" case="first-letter" canonical="project01" xml:space="preserve">project01</ns>
      <ns id="101" case="first-letter" canonical="project01 talk" xml:space="preserve">project01 talk</ns>
      <ns id="102" case="first-letter" canonical="project02" xml:space="preserve">project02</ns>
      <ns id="103" case="first-letter" canonical="project02 talk" xml:space="preserve">project02 talk</ns>
      <ns id="104" case="first-letter" canonical="project03" xml:space="preserve">project03</ns>
      <ns id="105" case="first-letter" canonical="project03 talk" xml:space="preserve">project03 talk</ns>
      <ns id="106" case="first-letter" canonical="project04" xml:space="preserve">project04</ns>
      <ns id="107" case="first-letter" canonical="project04 talk" xml:space="preserve">project04 talk</ns>
      <ns id="108" case="first-letter" canonical="project05" xml:space="preserve">project05</ns>
      <ns id="109" case="first-letter" canonical="project05 talk" xml:space="preserve">project05 talk</ns>
      <ns id="110" case="first-letter" canonical="project06" xml:space="preserve">project06</ns>
      <ns id="111" case="first-letter" canonical="project06 talk" xml:space="preserve">project06 talk</ns>
      <ns id="112" case="first-letter" canonical="project07" xml:space="preserve">project07</ns>
      <ns id="113" case="first-letter" canonical="project07 talk" xml:space="preserve">project07 talk</ns>
      <ns id="114" case="first-letter" canonical="project08" xml:space="preserve">project08</ns>
      <ns id="115" case="first-letter" canonical="project08 talk" xml:space="preserve">project08 talk</ns>
      <ns id="116" case="first-letter" canonical="project09" xml:space="preserve">project09</ns>
      <ns id="117" case="first-letter" canonical="project09 talk" xml:space="preserve">project09 talk</ns>
      <ns id="118" case="first-letter" canonical="project10" xml:space="preserve">project10</ns>
      <ns id="119" case="first-letter" canonical="project10 talk" xml:space="preserve">project10 talk</ns>
      <ns id="120" case="first-letter" canonical="project11" xml:space="preserve">project11</ns>
      <ns id="121" case="first-letter" canonical="project11 talk" xml:space="preserve">project11 talk</ns>
      <ns id="122" case="first-letter" canonical="project12" xml:space="preserve">project12</ns>
      <ns id="123" case="first-letter" canonical="project12 talk" xml:space="preserve">project12 talk</ns>
      <ns id="124" case="first-letter" canonical="Msc2workshop1G1" xml:space="preserve">Msc2workshop1G1</ns>
      <ns id="125" case="first-letter" canonical="Msc2workshop1G1 talk" xml:space="preserve">Msc2workshop1G1 talk</ns>
      <ns id="126" case="first-letter" canonical="Msc2workshop1G2" xml:space="preserve">Msc2workshop1G2</ns>
      <ns id="127" case="first-letter" canonical="Msc2workshop1G2 talk" xml:space="preserve">Msc2workshop1G2 talk</ns>
      <ns id="128" case="first-letter" canonical="Msc2workshop1G3" xml:space="preserve">Msc2workshop1G3</ns>
      <ns id="129" case="first-letter" canonical="Msc2workshop1G3 talk" xml:space="preserve">Msc2workshop1G3 talk</ns>
      <ns id="130" case="first-letter" canonical="Msc2workshop1G4" xml:space="preserve">Msc2workshop1G4</ns>
      <ns id="131" case="first-letter" canonical="Msc2workshop1G4 talk" xml:space="preserve">Msc2workshop1G4 talk</ns>
      <ns id="136" case="first-letter" canonical="Msc2G1" xml:space="preserve">Msc2G1</ns>
      <ns id="137" case="first-letter" canonical="Msc2G1 talk" xml:space="preserve">Msc2G1 talk</ns>
      <ns id="138" case="first-letter" canonical="Msc2G2" xml:space="preserve">Msc2G2</ns>
      <ns id="139" case="first-letter" canonical="Msc2G2 talk" xml:space="preserve">Msc2G2 talk</ns>
      <ns id="140" case="first-letter" canonical="Msc2G3" xml:space="preserve">Msc2G3</ns>
      <ns id="141" case="first-letter" canonical="Msc2G3 talk" xml:space="preserve">Msc2G3 talk</ns>
      <ns id="142" case="first-letter" canonical="Msc2G4" xml:space="preserve">Msc2G4</ns>
      <ns id="143" case="first-letter" canonical="Msc2G4 talk" xml:space="preserve">Msc2G4 talk</ns>
      <ns id="144" case="first-letter" canonical="Msc2G5" xml:space="preserve">Msc2G5</ns>
      <ns id="145" case="first-letter" canonical="Msc2G5 talk" xml:space="preserve">Msc2G5 talk</ns>
      <ns id="146" case="first-letter" canonical="Msc2G6" xml:space="preserve">Msc2G6</ns>
      <ns id="147" case="first-letter" canonical="Msc2G6 talk" xml:space="preserve">Msc2G6 talk</ns>
      <ns id="310" case="first-letter" canonical="Shared" xml:space="preserve">Shared</ns>
      <ns id="311" case="first-letter" canonical="Shared talk" xml:space="preserve">Shared talk</ns>
    </namespaces>
    <namespacealiases>
      <ns id="6" xml:space="preserve">Image</ns>
      <ns id="7" xml:space="preserve">Image talk</ns>
    </namespacealiases>
    <statistics pages="578" articles="1" views="321316" edits="2272" images="544" users="30" activeusers="0" admins="9" jobs="0" />
  </query>
</api>