https://pay.weixin.qq.com/wiki/doc/apiv3/wxpay/marketing/busifavor/chapter4_1.shtml
文档写着:对后台通知交互时,如果微信收到应答不是成功或超时,微信认为通知失败,微信会通过一定的策略定期重新发起通知,尽可能提高通知的成功率,但微信不保证通知最终能成功。(通知频率为60s/次 - 总计11次 )
无论我的回调地址程序代码是不返回,还是返回code为 error的错误信息,通知交互只发送了一次,并没有每隔一分钟发送一次
{ "code": "ERROR", "message": "ERROR_DESCRIPTION"}
有问题的某条领券后的回调数据
{"event_type":"EVENT_TYPE_BUSICOUPON_SEND","coupon_code":"1226740686001555084375","stock_id":"1286880000000009","send_time":"2021-01-05T15:48:07+08:00","openid":"xxxxxx","unionid":"xxxxx","send_channel":"BUSICOUPON_SEND_CHANNEL_H5","send_merchant":"xxxxxx","attach_info":"","send_req_no":"143151120220210105154755"}
请提供420或者其它数字开头的的微信支付订单号,或者商户号+商户订单号+时间,后台帮您核实一下