Testing external REST API requests

mu-plugins-functions.php

<?php
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;

function test_wp_api_request() {
    wp_enqueue_script( 'wp-api-request' );
    wp_add_inline_script( 'wp-api-request', '
        wp.apiRequest( {
            url: \'https://imathi.eu/wp-json/wp/v2/posts\',
            type: \'GET\',
            data: {
              context: \'view\',
              search: \'core.trac.wordpress.org\'
            }
        } ).done( function( data ) {
            console.log( data );
        } ).fail( function( error ) {
            console.log( error );
        } );
    ' );
}
add_action( 'wp_enqueue_scripts', 'test_wp_api_request' );