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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-continue>
    <recentchanges rccontinue="20151220030834|41" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="new" ns="0" title="BTWの略語の意味は？" pageid="17" revid="51" old_revid="0" rcid="51" timestamp="2017-01-22T01:28:21Z" />
      <rc type="log" ns="0" title="英語の略語の意味は" pageid="16" revid="0" old_revid="0" rcid="50" timestamp="2017-01-22T01:23:26Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="2" revid="49" old_revid="47" rcid="49" timestamp="2017-01-22T01:23:15Z" />
      <rc type="new" ns="0" title="英語の略語の意味は" pageid="16" revid="48" old_revid="0" rcid="48" timestamp="2017-01-22T01:21:48Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="2" revid="47" old_revid="45" rcid="47" timestamp="2017-01-22T01:21:21Z" />
      <rc type="new" ns="0" title="Are you serious?の意味は？" pageid="15" revid="46" old_revid="0" rcid="46" timestamp="2016-08-28T07:55:39Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="2" revid="45" old_revid="43" rcid="45" timestamp="2016-08-28T07:48:16Z" />
      <rc type="new" ns="0" title="英語で「久しぶり」を表現する" pageid="14" revid="44" old_revid="0" rcid="44" timestamp="2016-06-26T01:56:32Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="2" revid="43" old_revid="36" rcid="43" timestamp="2016-06-26T01:29:36Z" />
      <rc type="edit" ns="10" title="テンプレート:NewArticle" pageid="3" revid="42" old_revid="5" rcid="42" timestamp="2016-01-10T12:00:53Z" />
    </recentchanges>
  </query>
</api>