请求信息:
{
"combine_appid":"wxe0a*********",
"sub_orders":[
{
"mchid":"15********",
"out_trade_no":"202003291955yj",
"description":"测试关闭",
"sub_mchid":"158********"
}
],
"combine_out_trade_no":"202003291955"
}
请求地址:https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/202003291955/close
API文档地址:https://pay.weixin.qq.com/wiki/doc/apiv3/wxpay/pay/combine/chapter3_4.shtml
返回信息:400BadRequest
400,可能是你本身传参不符合文档规范。建议仔细核对参数。