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>
    <allfileusages gafcontinue="Club_Penguin_Coins_Tips.jpg" />
  </query-continue>
  <query>
    <pages>
      <page ns="6" title="File:BBS orb coin example.jpg" missing="" />
      <page ns="6" title="File:Bingoblitz daily bonus example.jpg" missing="" />
      <page ns="6" title="File:Board-Kings-Gems-Screenshot.png" missing="" />
      <page ns="6" title="File:BoardKingsGemsScreenshot.png" missing="" />
      <page ns="6" title="File:Brave Souls Orbs Coins Interface.jpg" missing="" />
      <page ns="6" title="File:Brawlhalla official shop 2026.png" missing="" />
      <page ns="6" title="File:Brawlhallacoins.jpg" missing="" />
      <page ns="6" title="File:Bullet-Force-Gold-Generator-2026.jpg" missing="" />
      <page ns="6" title="File:Cats-arena-gems-legit-methods.jpg" missing="" />
      <page ns="6" title="File:Clash Royale Gems Official.png" missing="" />
    </pages>
  </query>
</api>