'your access token', 'refresh_token' => 'your refresh token'); $wrap = new CS_REST_General($auth); $result = $wrap->get_billing_details(); echo "Result of /api/v3.1/billingdetails\n
"; if($result->was_successful()) { echo "Got billing details\n

";
    var_dump($result->response);
} else {
    echo 'Failed with code '.$result->http_status_code."\n
";
    var_dump($result->response);
}
echo '
';