qnnp

Use the UI interface to test WP-JSON friendly. 
Please make sure your custom route is registered with the namespace!
There is the json content of the entire WP-JSON at the bottom of the plug-in page to prevent you from not being able to find the routing endpoint you need.
There is an original description under each parameter field of the end point.
Except for GET requests, a batch tab will be provided under the request panel.

Restful UI

Use the UI interface to test WP-JSON friendly.

vivek2tamrakar

WordPress REST API FNS plugin to connect Mobile Application using REST API to WordPress featurs. right now we created API for users. 
register user, login, reset password, update users, change password. 
Just you follow the way of creation API and you can customize plugin code and modify according to your requirement.
PHP, the WP REST API is an attempt to create a bridge between the legacy of the PHP WordPress core and the potential and power of JavaScript web applications, as well as native mobile and desktop applications.
we began to take advantage of other HTTP requests, including GET PUT, POST, and DELETE.d.
Ordered list:
<ol>
<li>User Registration API</li>
<li>User Login API</li>
<li>Change Password and Rest Password API</li>
</ol>
Support: vivek2tamrakar@gmail.com

WP REST API FNS Plugin

You can download and use plugin for app integration with WordPress site

WP REST API

WordPress REST API FNS plugin to connect Mobile Application using REST API to Wordpress featurs. right now we created API for users.

Restful UI vs WP REST API FNS Plugin