Http request method: POST
https://api.weixin.qq.com/product/coupon/update?access_token=xxxxxxxxx

{
    "type": 1,
    "name" : "Double 11 special offers over 100-50,"  //length <= 10
    "discount_info" : 
    {
        "discount_condition" : 
        {
            "product_cnt" : 10,//Discount Coupon
            "product_ids" : //Product coupon fill
            [
                1673110742,
                1673110743
            ],
            "product_price" : 100//Full discount coupon fill
        },
        "discount_fee" : 50,//Full reduction
        "discount_in one" : 10//Discount coupon  discount*1000
    },
    "ext_info" : 
    {
        "jump_product_id" : 1673110742,//Coupons can be filled, after receiving jump
        "notes" : "Remarks,"
        "valid_time" : 1673110742,  // valid_Type = 1 with valid_info.start_Time consistent, valid_Type = 2 when the merchant fills in an absolute start time
        "invalid_time" : 1673110742 // valid_Type = 1 with valid_info.end_Time consistent, valid_Type = 2 when the merchant fills in an absolute end time
    },
    "promote_info" : 
    {
        "customize_channel" : "//Custom promotion channels, specific content " ，
        "promote_type" : 1     //Promotion type, 1: store promotion, 2: custom promotion channel
    },
    "receive_info" : // Settings that allow users to collect coupons
    {
        "end_time" : 1673110742,
        "limit_A_one_person" : 1,
        "start_time" : 1673110742,
        "total_in one" : 100
    },
    "valid_info" : 
    {
        "end_time" : 1673110742,        //Absolute effective start time, valid_Required when type = 1
        "start_time" : 1673110742,      //End time of absolute effect, valid_Required when type = 1
        "valid_day_in one" : 1,            //Relative to the time of entry into force, When the user receives the ticket, valid_Required when type = 2
         "valid_type" : 1
    }
}

{
    "errcode": 0,
    "errmsg": "ok",
    "data": {
        "coupon_id": 111
    }
}