Hinaloe

<p>This plugin allow your site’s comment form makes ajax — non move/reload when user (including both subscriber,  normal viewer, and admins too) post comment!</p>
<p>Most themes supports this plugin, but if your theme’s <code>class_form</code> have not <code>comment-form</code>, this plugin non supported.</p>
<p>And this plugin only can use for <em>Pure</em> WordPress Comment form.<br />
so, its not able to be used with like Jetpack comment form and other original/outside comment system/form.</p>
<p><strong>Feature</strong></p>
<ul>
<li>post comment with ajax</li>
<li>Lite — this plugin only using a little of jQuery feature to modify DOM, and very tiny js & PHP code.</li>
</ul>
<p><strong>Require</strong></p>
<p>You have to install <a href="https://wordpress.org/plugins/rest-api/" rel="ugc">WP REST API v2</a> to use this plugin if your site is running on WP 4.4-4.6.</p>


ajax Post Comment

Post comment form on frontend tobe ajax using WP REST API Version.2

M Media

<p>Add the ability to get posts by the parent category in the WordPress REST API.</p>
<h4>Usage</h4>
<p>You can use the new endpoint with: <code>/wp-json/wp/v2/posts?parent_category=[XXX]</code></p>
<h3>Features</h3>
<ol>
<li>100% free</li>
<li>Get posts by the category they belong in (including parent, grandparent, etc categories)</li>
</ol>
<h3>Privacy policy</h3>
<p>This plugin works locally. No data is sent to other servers, or stored anywhere.</p>


Get by taxonomy/category parent for WP REST API

Add the ability to get posts by the parent category in the WordPress REST API.

ajax Post Comment vs Get by taxonomy/category parent for WP REST API