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>
    <backlinks gblcontinue="0|Main_Page|3080" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1513" ns="2" title="User:St/Sandbox My Sandbox" contentmodel="wikitext" pagelanguage="en" touched="2009-05-24T21:14:42Z" lastrevid="7597" counter="" length="285" />
      <page pageid="1543" ns="4" title="Apache OpenOffice Wiki:About" contentmodel="wikitext" pagelanguage="en" touched="2014-09-06T11:09:21Z" lastrevid="235545" counter="" length="908" />
      <page pageid="1604" ns="2" title="User:Jacqueline" contentmodel="wikitext" pagelanguage="en" touched="2012-12-24T16:26:44Z" lastrevid="2288" counter="" length="740" />
      <page pageid="1703" ns="1" title="Talk:Http://www.google.com/accounts/RP?c=CK-a v2ivt nkwEQuJ7l3OOzlpVu&amp;hl=lt" contentmodel="wikitext" pagelanguage="en" touched="2010-03-04T11:35:46Z" lastrevid="53774" counter="" length="9161" />
      <page pageid="2152" ns="0" title="Extensions development" contentmodel="wikitext" pagelanguage="en" touched="2015-07-09T21:40:22Z" lastrevid="236480" counter="" length="5606" />
      <page pageid="2165" ns="0" title="FR" contentmodel="wikitext" pagelanguage="en" touched="2018-08-10T08:01:23Z" lastrevid="232352" counter="" length="2252" />
      <page pageid="2363" ns="0" title="Bibliographic/Developer Page/Current Implementation of the Bibliographic Component" contentmodel="wikitext" pagelanguage="en" touched="2010-03-28T11:25:56Z" lastrevid="160895" counter="" length="18330" />
      <page pageid="2575" ns="10" title="Template:Language" contentmodel="wikitext" pagelanguage="en" touched="2017-09-14T19:27:24Z" lastrevid="238161" counter="" length="610" />
      <page pageid="2907" ns="0" title="Deutsche √úbersetzung" contentmodel="wikitext" pagelanguage="en" touched="2018-08-10T08:01:23Z" lastrevid="231295" counter="" length="8836" />
      <page pageid="2965" ns="2" title="User:St/Main Page" contentmodel="wikitext" pagelanguage="en" touched="2017-09-14T19:27:30Z" lastrevid="10498" counter="" length="2012" new="" />
    </pages>
  </query>
</api>