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>
    <linkshere glhcontinue="787" />
  </query-continue>
  <query>
    <pages>
      <page pageid="711" ns="0" title="Expansion Packs" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="1605" counter="9752" length="1030" />
      <page pageid="779" ns="0" title="Product: Fences" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="2135" counter="4526" length="133" />
      <page pageid="781" ns="0" title="Product: Tables and benches" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="2136" counter="4651" length="225" />
      <page pageid="782" ns="0" title="Product: Tables and stools" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="1131" counter="2316" length="238" new="" />
      <page pageid="780" ns="0" title="Product: Well" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="2133" counter="4741" length="146" />
      <page pageid="773" ns="0" title="The Dragon Drop Inn" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="2312" counter="7601" length="819" />
      <page pageid="774" ns="0" title="The Drowning Lizard Brewery" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="2313" counter="5532" length="729" />
      <page pageid="772" ns="0" title="The Well Oiled Scabbard Tavern" contentmodel="wikitext" pagelanguage="en" touched="2018-03-17T14:53:38Z" lastrevid="2310" counter="16831" length="1637" />
      <page pageid="783" ns="10" title="Template:NavBoxTop" contentmodel="wikitext" pagelanguage="en" touched="2013-02-10T03:41:31Z" lastrevid="2118" counter="23327" length="211" />
      <page pageid="785" ns="10" title="Template:RMProducts" contentmodel="wikitext" pagelanguage="en" touched="2013-02-10T03:41:31Z" lastrevid="1138" counter="1353" length="1328" new="" />
    </pages>
  </query>
</api>