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://www.maxcard.bg/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="MaxCard" logo="http://www.maxcard.bg/wiki/images/maxcard_logo_small.png" generator="MediaWiki 1.24.1" phpversion="5.6.40" phpsapi="cgi-fcgi" dbtype="mysql" dbversion="5.6.51" imagewhitelistenabled="" langconversion="" titleconversion="" linkprefixcharset="" linkprefix="" linktrail="/^([a-zабвгдежзийклмнопрстуфхцчшщъыьэюя]+)(.*)$/sDu" case="first-letter" lang="bg" fallback8bitEncoding="windows-1251" writeapi="" timezone="UTC" timeoffset="0" articlepath="/wiki/index.php?title=$1" scriptpath="/wiki" script="/wiki/index.php" server="http://www.maxcard.bg" servername="www.maxcard.bg" wikiid="maxcard_wiki" time="2024-05-13T12:20:16Z" maxuploadsize="104857600" favicon="http://www.maxcard.bg/favicon.ico">
      <fallback>
        <lang code="en" />
      </fallback>
      <thumblimits>
        <limit>120</limit>
        <limit>150</limit>
        <limit>180</limit>
        <limit>200</limit>
        <limit>250</limit>
        <limit>300</limit>
      </thumblimits>
      <imagelimits>
        <limit width="320" height="240" />
        <limit width="640" height="480" />
        <limit width="800" height="600" />
        <limit width="1024" height="768" />
        <limit width="1280" height="1024" />
      </imagelimits>
    </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" subpages="" canonical="Project" xml:space="preserve">MaxCard</ns>
      <ns id="5" case="first-letter" subpages="" canonical="Project talk" xml:space="preserve">MaxCard 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" subpages="" 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="6" xml:space="preserve">Картинка</ns>
      <ns id="7" xml:space="preserve">Image talk</ns>
      <ns id="7" xml:space="preserve">Картинка беседа</ns>
    </namespacealiases>
    <statistics pages="173" articles="2" views="2628861" edits="820" images="132" users="1" activeusers="0" admins="1" jobs="0" />
  </query>
</api>