Wechat gives out red packets API

the following is the document of Wechat handing out red packets
https://pay.weixin.qq.com/wik...

the fourth parameter, merchant order number, I don"t know what it is and where it comes from

.

Please check it manually. I can only take a screenshot of this API.

Apr.21,2022

mch_billno

set it yourself. You can think of a red packet as an order

.
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e57add-439ff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e57add-439ff.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?