curl --location --request POST 'https://api.kfim.cn/merchant_gate/merchant_secret_free_query' \
--data-urlencode 'request_no=' \
--data-urlencode 'business_code=' \
--data-urlencode 'mch_num=' \
--data-urlencode 'timestamp=' \
--data-urlencode 'sign='
{
"code": 0,
"msg": "success",
"data": {
"request_no": "202508071016594394236806",
"status": 0,
"finish_time": "2024-09-04 18:59:02"
}
}