protected function setPostCurlopts()
    {
        $curlopts = [
            CURLOPT_HTTPHEADER => $this->headers,
            CURLOPT_POST => 1,
            CURLOPT_POSTFIELDS => $this->postFields,
            CURLOPT_HEADER => 0,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_VERBOSE => false,
            CURLOPT_RETURNTRANSFER => true
        ];

        return $curlopts;
    }