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-continue>
    <allpages gapcontinue="THE_MIST_Movie_Creatures" />
  </query-continue>
  <query>
    <pages>
      <page pageid="81904" ns="0" title="TAUGIB Is Studying TXA." contentmodel="wikitext" pagelanguage="de" touched="2018-01-12T06:21:07Z" lastrevid="84925" counter="48" length="8799" new="" />
      <page pageid="31730" ns="0" title="TEENAGE MUTANT NINJA TURTLES ACTION FIGURES UNPRODUCED TOYS Associated Articles" contentmodel="wikitext" pagelanguage="de" touched="2018-01-10T01:04:39Z" lastrevid="32341" counter="43" length="2629" new="" />
      <page pageid="31668" ns="0" title="TGI Fridays is giving away free burgers" contentmodel="wikitext" pagelanguage="de" touched="2018-01-10T21:32:53Z" lastrevid="34224" counter="238" length="1341" />
      <page pageid="30228" ns="0" title="THE EVOLUTION OF ROBO-ADVISING REPORT: How Automated Investment Products Are Disrupting And Enhancing The Wealth Management Industry" contentmodel="wikitext" pagelanguage="de" touched="2018-01-12T08:18:11Z" lastrevid="86108" counter="1546" length="3113" />
    </pages>
  </query>
</api>