尝试将CURL请求发送到：
https://preview.twilio.com/porting/PortOrders
使用我们的主帐户凭据时，我得到以下回复：
{
"code": 20404,
"message": "The requested resource /porting/PortOrders was not found",
"more_info": "https://www.twilio.com/docs/errors/20404",
"status": 404
}
移植API网址是否已更改且文档尚未更新？