Withdrawal callback

Details: Category: Eoopay system interface

Use Content-Type "application/json; charset=utf-8" to accept the message. The merchant needs to return SUCCESS. If OK is not received, the notification will continue. A total of 3 attempts will be made.

parameter name	required	type	explanation
mchid	YES	string	The "mchid" provided by the payment system to the cooperative merchant
out_trade_no	YES	string	Merchant’s unique order number
amount	YES	string	Merchant order amount
datetime	YES	string	Payment time，yyyy-MM-dd HH:mm:ss
returncode	YES	string	00 payment successfully
sign	YES	string	Sign, do not participate in signing

Example：

{
    "mchid": "10006",
    "out_trade_no": "1717360702320",
    "money": "1000.00",
    "datetime": "2023-06-03 04:38:22",
    "returncode": "00",
    "sign": "A5C920E33A8401A4B70A476DA7E7B5D9"
}