final public function send($message)
    {

        $response = $this->client()->{$this->config->getRequestMethod()}($this->config->getMessageUri(), array_merge(
                $this->config->getProviderConfig(), [
                    'command' => 'send',
                    'to' => $this->recipient,
                    'message' => $message,
                ])
        );

        return $this->getResponse($response);
    }