Oleg Kostin

This plugin extends the <a href="https://wordpress.org/plugins/rest-api/" rel="ugc">WordPress JSON REST API</a> with new routes for WordPress options

WP API Options

Extends WordPress WP REST API with new routes pointing to WordPress options.

tapos007

This plugin extends the WordPress REST API with new routes for WordPress registered menus.
The new routes available will be:
<ul>
<li><code>[website_name]/wp-json/menus/v2/menus</code> list of every registered menu.</li>
<li><code>[website_name]/wp-json/menus/v2/menus/<slug></code> data for a specific menu.</li>
</ul>

WP API Options vs Tutexp Rest Api Menu