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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="log" ns="6" title="Файл:Матеріали АПСК-2019.pdf" rcid="4756" pageid="1275" revid="0" old_revid="0" timestamp="2019-06-10T21:26:13Z" />
      <rc type="edit" ns="0" title="НАШІ КОНФЕРЕНЦІЇ" rcid="4755" pageid="782" revid="4733" old_revid="4731" timestamp="2019-06-10T21:24:16Z" />
      <rc type="log" ns="6" title="Файл:Матеріали АПСК-2019.pdf" rcid="4754" pageid="0" revid="0" old_revid="0" timestamp="2019-06-10T21:23:50Z" />
      <rc type="edit" ns="0" title="НАШІ КОНФЕРЕНЦІЇ" rcid="4753" pageid="782" revid="4731" old_revid="4730" timestamp="2019-06-10T21:20:29Z" />
      <rc type="edit" ns="0" title="НАШІ КОНФЕРЕНЦІЇ" rcid="4752" pageid="782" revid="4730" old_revid="4729" timestamp="2019-06-10T21:20:05Z" />
      <rc type="edit" ns="0" title="НАШІ КОНФЕРЕНЦІЇ" rcid="4751" pageid="782" revid="4729" old_revid="4728" timestamp="2019-06-10T21:19:11Z" />
      <rc type="edit" ns="0" title="НАШІ КОНФЕРЕНЦІЇ" rcid="4750" pageid="782" revid="4728" old_revid="4726" timestamp="2019-06-10T21:17:43Z" />
      <rc type="log" ns="6" title="Файл:Програма АПСК-2019.pdf" rcid="4749" pageid="0" revid="0" old_revid="0" timestamp="2019-06-10T21:17:27Z" />
      <rc type="log" ns="6" title="Файл:Програма 2019 НОВА.pdf" rcid="4748" pageid="0" revid="0" old_revid="0" timestamp="2019-06-10T21:15:56Z" />
      <rc type="edit" ns="0" title="НАШІ КОНФЕРЕНЦІЇ" rcid="4747" pageid="782" revid="4726" old_revid="4724" timestamp="2019-06-10T21:13:50Z" />
    </recentchanges>
  </query>
  <query-continue>
    <recentchanges rcstart="2019-06-10T21:11:45Z" />
  </query-continue>
</api>