page-password.php

<?php
	/* Template Name: Password Protect */

// Redirect individual posts to the REST API endpoint.
if ( is_singular() ) {
	header( sprintf( 'Location: /wp-json/wp/v2/%s/%s', get_post_type_object( get_post_type() )->rest_base, get_post()->ID ) );
} else {
	header( 'Location: /wp-json/' );
}