Envato purchase verification using `wp_remote_get`

envato-purchase-verification.php

<?php

$token = '***********';
$code = '*************';

$response = wp_remote_get(
    'https://api.envato.com/v3/market/buyer/purchase?code=' . $code,
    [
        'headers' => [
            'Authorization' => 'Bearer ' . $token,
            'Content-type' => 'application/json; charset=utf-8',
        ],
    ]
);

$body = wp_remote_retrieve_body( $response );

// echo '<pre>';
// print_r( $body );
// echo '</pre>';