ahmedimraan

This plugin adds Custom Fields to WP REST API JSON output. Works with Advanced Custom Fields. 
Its as simple as Installing and Activating, once activated you can see an object named metadata.

WP REST API POST/ PAGE CUSTOM FIELDS

Adds Custom Field output to the WP REST API for posts, pages, users, and taxonomies.

Martin Pettersson

An extension for the WP REST API that exposes endpoints for sidebars and widgets.
note: this plugin is under heavy development and will receive frequent feature updates (including documentation) so stay tuned and checkout the <a href="https://github.com/martin-pettersson/wp-rest-api-sidebars" rel="nofollow ugc">github</a> repo for the latest updates
<h4>Currently supported endpoints</h4>

/wp-json/wp-rest-api-sidebars/v1/sidebars returns a list of registered sidebars
<pre><code>[
 {
 "name": "Sidebar Name",
 "id": "sidebar-id",
 "description": "Sidebar description...",
 "class": "sidebar-class",
 "before_widget": "<aside id=\"%1$s\" class=\"widget %2$s\">",
 "after_widget": "<\/aside>",
 "before_title": "<h1 class=\"widget-title\">",
 "after_title": "<\/h1>"
 }
]
</code></pre>
/wp-json/wp-rest-api-sidebars/v1/sidebars/{id} returns the given sidebar
<pre><code>{
 "name": "Sidebar Name",
 "id": "sidebar-id",
 "description": "Sidebar description...",
 "class": "sidebar-class",
 "before_widget": "<aside id=\"%1$s\" class=\"widget %2$s\">",
 "after_widget": "<\/aside>",
 "before_title": "<h1 class=\"widget-title\">",
 "after_title": "<\/h1>",
 "rendered": "<aside id=\"widget-id-1\" class=\"widget widget_widget-id\">...",
 "widgets": [
 {
 "name": "Widget Name",
 "id": "widget-name-1",
 "classname": "widget_widget_name",
 "description": "Widget description",
 "rendered": "<aside id=\"widget-names-1\" class=\"widget widget_widget_name\">..."
 }
 ]
}
</code></pre>

WP REST API Sidebars

Works great!

An extension for the WP REST API that exposes endpoints for sidebars and widgets.

WP REST API POST/ PAGE CUSTOM FIELDS vs WP REST API Sidebars