<?php require_once(__DIR__ . '/../autoload.php'); $messageBird = new \MessageBird\Client('YOUR_ACCESS_KEY'); // Set your own API access key here. try { $balance = $messageBird->balance->read(); var_dump($balance); } catch (\MessageBird\Exceptions\AuthenticateException $e) { // That means that your accessKey is unknown echo 'wrong login'; } catch (\Exception $e) { var_dump($e->getMessage()); }