edckwt

This plugin enables you to fetch the contents of your site in JSON format by REST API 
Such as sections, articles and search results 
and return it as json 
To be able to use it in your applications or other sites
Endpoints
<ol>
<li>recent posts</li>
<li>posts</li>
<li>search</li>
<li>categories</li>
<li>category</li>
</ol>
For develpoers
<ul>
<li>/api/get_category_posts?type={string}&slug={string}&id={int}&count={int}&page={int}</li>
<li>/api/get_category_index</li>
<li>/api/get_search_results?type={string}&count={int}&page={int}</li>
<li>/api/get_recent_posts?type={string}</li>
<li>/api/get_posts?type={string}&cat={int}&count={int}&page={int}</li>
</ul>
Parameters
<ol>
<li>slug : {string} default: empty post slug</li>
<li>id : {int} default: empty post id</li>
<li>count: {int} default: 5 data display limit</li>
<li>page : {int} default: 1 data display offset</li>
<li>type : {string} default: post post_type</li>
</ol>

EDC REST API

Fetch the content of the sections and articles and search them through the API

ksym04

Turn off JSON REST API on your website to anonymous users and prevent unauthorized requests from using the REST API to get information from your website.
Since the release of WordPress 4.0 came out, there have been a lot of hackers exploiting the vulnerabilities of the REST API. By installing this plugin, you will effectively prevent and disable the use of REST API from unauthorized users and protect the information on your website from being accessible. If someone tries to access the REST API on your site, the plugin will return an authentication error on the API endpoints, for any unauthorized users trying to access it.
While WordPress REST API vulnerability exploits continue this plugin effectively prevent and disable the used of REST API from accessing information from your website, this plugin return authentication error and disable all endpoints for any user not logged in on your website.
<h3>Translations</h3>
<ul>
<li>English (en_US)</li>
</ul>

Turn Off REST API

Prevents unauthorized requests from using the WP REST API.

EDC REST API vs Turn Off REST API