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>
  <parse title="API" displaytitle="API">
    <text xml:space="preserve">&lt;p&gt;&lt;a href=&quot;/index.php?title=Tous_aux_Balkans:Sandbox&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Tous aux Balkans:Sandbox (page inexistante)&quot;&gt;Tous aux Balkans:Sandbox&lt;/a&gt;
&lt;/p&gt;</text>
    <langlinks />
    <categories />
    <links>
      <pl ns="4" xml:space="preserve">Tous aux Balkans:Sandbox</pl>
    </links>
    <templates>
      <tl ns="4" xml:space="preserve">Tous aux Balkans:Sandbox</tl>
    </templates>
    <images />
    <externallinks />
    <sections />
  </parse>
</api>