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>
    <recentchanges>
      <rc type="edit" ns="0" title="Pair Trading Models" rcid="214" pageid="33" revid="214" old_revid="205" timestamp="2022-07-20T11:09:53Z" />
      <rc type="edit" ns="0" title="PTL Trader Changelog" rcid="213" pageid="10" revid="213" old_revid="212" timestamp="2021-07-02T09:38:10Z" />
      <rc type="edit" ns="0" title="PTL Trader Changelog" rcid="212" pageid="10" revid="212" old_revid="211" timestamp="2021-07-02T09:37:25Z" />
      <rc type="edit" ns="0" title="PTL Trader Changelog" rcid="211" pageid="10" revid="211" old_revid="207" timestamp="2021-07-02T09:36:43Z" />
      <rc type="edit" ns="0" title="PTL Trader Manual" rcid="210" pageid="9" revid="210" old_revid="209" timestamp="2021-07-02T09:28:24Z" />
      <rc type="edit" ns="0" title="PTL Trader Manual" rcid="209" pageid="9" revid="209" old_revid="208" timestamp="2021-07-02T09:26:54Z" />
      <rc type="edit" ns="0" title="PTL Trader Manual" rcid="208" pageid="9" revid="208" old_revid="157" timestamp="2021-07-02T09:25:41Z" />
      <rc type="edit" ns="0" title="PTL Trader Changelog" rcid="207" pageid="10" revid="207" old_revid="202" timestamp="2017-11-09T10:30:22Z" />
      <rc type="log" ns="6" title="File:AVONAqv 700b.jpg" rcid="206" pageid="0" revid="0" old_revid="0" timestamp="2017-09-02T11:01:55Z" />
      <rc type="edit" ns="0" title="Pair Trading Models" rcid="205" pageid="33" revid="205" old_revid="204" timestamp="2016-12-21T15:37:10Z" />
    </recentchanges>
  </query>
  <query-continue>
    <recentchanges rcstart="2016-12-21T15:36:28Z" />
  </query-continue>
</api>