Brandon Hubbard

Hubbard Labs

This plugin enables logging of all calls to the WordPress REST API. You can view all logs from the WordPress Admin under API Log Pro.
<h3>WP-CLI Support</h3>
This plugin offers some basic wp-cli support. You can use the following command to delete all the logs in the db.
<pre><code>wp api-log-pro delete
</code></pre>

API Log Pro

A simple plugin to log WordPress Rest API Requests.

elemind

Plugin will allow you to fetch the WP REST API call with a “lang” variable. 
It will retrieve the right content from WPML.
Tested with the latest version of:
<ul>
<li>WPML 3.2.7</li>
<li>WP REST API 2.0-beta4</li>
</ul>

WP REST API multilanguage (over WMPL)

Allows you to request a language with your WP-API and WPML site.

API Log Pro vs WP REST API multilanguage (over WMPL)