private function rateLimit()
    {
        return [
            'code'      => $this->response['code'],
            'errors'    => $this->response['response'],
            'tts'       => isset($this->response['headers']['x-rate-limit-reset']) ? // Time To Sleep
                            ($this->response['headers']['x-rate-limit-reset'] - time()) :
                            false,
        ];
    }