Menus WP API: Adding menus endpoints on WP REST API / Extends WordPress WP REST API with new routes pointing to WordPress menus.
Better REST API Featured Images: Adds a top-level field with featured image data including available sizes and URLs to the post object returned by the REST API.
User WP API: Adding user endpoints on WP REST API. If you wish to Register User or Retrieve Password using REST API, without exposing Administrator credentials to the Front End application, you are at the right place. Since WordPress 4.7, REST API was natively included in WordPress.