devfrakton

This plugin allows you to use a third-party JWT Authentication service in order to allow your users to access the Rest API of your WordPress website/blog, e-commerce, etc. For example, you’re handling the authentication part on a different project but want to use WordPress features via RestAPI and in meantime keeping the content protected.
After installing and activating the plugin, under the settings page, you need to define the API Endpoint where the JWT Token will be validated. Your API Responses should be adapted as suggested on the settings page.
This plugin will not affect the current users that use the dashboard.

Third Party API Authentication

This plugin allows you to use an third party JWT Authentication service in order to allow your user to use the REST API of wordpress.

Kite

Due to security/privacy concerns, JSON REST API (WP API) only allows post meta data (custom field value) for authenticated users. 
This plugin is an easy way to make post meta available when unauthenticated.
After activate the plugin, go to WP API Customizer option page. 
Click the plus icon to add rows. 
Set JSON attributes and custom field names in your posts that you want to use when unauthenticated. 
The JSON REST API will provide the data as “post_meta” like the following:
<pre><code>"post_meta":{"your_attribute_a":"Custom Field A value","your_attribute_b":"Custom Field B value"}
</code></pre>

WP API Customizer

Make post meta data (custom field values) available for JSON REST API (WP API) when unauthenticated.

Third Party API Authentication vs WP API Customizer