curl --location --request GET 'https://saas-open.vhall.com/v3/data-center/business-total/user-flow-pay?type=1&start_time=&end_time=' \
--header 'platform;'
{
"code": 0,
"msg": "string",
"data": {
"webinar_num": 0,
"total_flow": 0,
"live_flow": 0,
"vod_flow": 0,
"remaining_flow": 0
}
}