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="Начална страница" base="http://bg.playmillion.com/wiki/index.php?title=%D0%9D%D0%B0%D1%87%D0%B0%D0%BB%D0%BD%D0%B0_%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%B8%D1%86%D0%B0" sitename="PlayMillion.com Casinopedia на български език" generator="MediaWiki 1.20.2" phpversion="5.4.36-0+deb7u3" phpsapi="fpm-fcgi" dbtype="mysql" dbversion="5.5.41-0+wheezy1-log" case="first-letter" rights="" lang="bg" fallback8bitEncoding="windows-1251" writeapi="" timezone="UTC" timeoffset="0" articlepath="/wiki/index.php?title=$1" scriptpath="/wiki" script="/wiki/index.php" variantarticlepath="" server="http://bg.playmillion.com" wikiid="wiki-bg" time="2024-05-15T01:48:37Z" maxuploadsize="104857600">
      <fallback>
        <lang code="en" />
      </fallback>
    </general>
    <namespaces>
      <ns id="-2" case="first-letter" canonical="Media" xml:space="preserve">Медия</ns>
      <ns id="-1" case="first-letter" canonical="Special" xml:space="preserve">Специални</ns>
      <ns id="0" case="first-letter" content="" xml:space="preserve" />
      <ns id="1" case="first-letter" subpages="" canonical="Talk" xml:space="preserve">Беседа</ns>
      <ns id="2" case="first-letter" subpages="" canonical="User" xml:space="preserve">Потребител</ns>
      <ns id="3" case="first-letter" subpages="" canonical="User talk" xml:space="preserve">Потребител беседа</ns>
      <ns id="4" case="first-letter" canonical="Project" xml:space="preserve">Bulgarian Wiki</ns>
      <ns id="5" case="first-letter" subpages="" canonical="Project talk" xml:space="preserve">Bulgarian Wiki беседа</ns>
      <ns id="6" case="first-letter" canonical="File" xml:space="preserve">Файл</ns>
      <ns id="7" case="first-letter" subpages="" canonical="File talk" xml:space="preserve">Файл беседа</ns>
      <ns id="8" case="first-letter" subpages="" canonical="MediaWiki" xml:space="preserve">МедияУики</ns>
      <ns id="9" case="first-letter" subpages="" canonical="MediaWiki talk" xml:space="preserve">МедияУики беседа</ns>
      <ns id="10" case="first-letter" canonical="Template" xml:space="preserve">Шаблон</ns>
      <ns id="11" case="first-letter" subpages="" canonical="Template talk" xml:space="preserve">Шаблон беседа</ns>
      <ns id="12" case="first-letter" canonical="Help" xml:space="preserve">Помощ</ns>
      <ns id="13" case="first-letter" subpages="" canonical="Help talk" xml:space="preserve">Помощ беседа</ns>
      <ns id="14" case="first-letter" canonical="Category" xml:space="preserve">Категория</ns>
      <ns id="15" case="first-letter" subpages="" canonical="Category talk" xml:space="preserve">Категория беседа</ns>
    </namespaces>
    <namespacealiases>
      <ns id="6" xml:space="preserve">Image</ns>
      <ns id="7" xml:space="preserve">Image talk</ns>
      <ns id="6" xml:space="preserve">Картинка</ns>
      <ns id="7" xml:space="preserve">Картинка беседа</ns>
    </namespacealiases>
    <statistics pages="5761" articles="5281" edits="5940" images="0" users="1" activeusers="0" admins="1" jobs="0" />
  </query>
</api>