monthly installment payment
$accesstoken='●●●●●●●●●●●●●●●●'
// Include the Square Connect API resources
require_once(__DIR__ . '/local/path/to/Square/Connect/SDK/autoload.php');
// Create and configure a new API client object
$defaultApiConfig = new \SquareConnect\Configuration();
$defaultApiConfig->setAccessToken($accessToken);
$defaultApiClient = new \SquareConnect\ApiClient($defaultApiConfig);
$customersApi = new SquareConnect\Api\CustomersApi($defaultApiClient);
