public function records($startTime, $endTime, $page = 1, $pageSize = 10)
    {
        $params = [
                   'starttime' => is_numeric($startTime) ? $startTime : strtotime($startTime),
                   'endtime' => is_numeric($endTime) ? $endTime : strtotime($endTime),
                   'pageindex' => $page,
                   'pagesize' => $pageSize,
                  ];

        return $this->parseJSON('json', [self::API_RECORDS, $params]);
    }