请求示例：

https://api.mch.weixin.qq.com/v3/payscore/serviceorder?service_id=00004000000000530082451787938770&out_order_no=201912022677549592300216320&appid=wxd9564b8666be8516

返回示例：

{
	"appid": "wxd9564b8666be8516",
	"attach": "",
	"collection": {
		"details": [{
			"amount": 1,
			"paid_time": "20191202161541",
			"paid_type": "NEWTON",
			"transaction_id": "4200000454201912025830408492"
		}],
		"paid_amount": 1,
		"paying_amount": 0,
		"state": "USER_PAID",
		"total_amount": 1
	},
	"location": {
		"start_location": "北京市石景山区"
	},
	"mchid": "1524932721",
	"need_collection": true,
	"notify_url": "https://www.zhailiudi.net/glsypi/pi.FreePay.xcxUserConfirmAndPayOkCallback.hf",
	"openid": "oJgER5XFd-eys4GbL7UMnhJUoQHg",
	"order_id": "1000000000201912021213023430043",
	"out_order_no": "201912022677549592300216320",
	"post_discounts": [{
		"amount": 1,
		"description": "就想给你优惠，怎么滴",
		"name": "每日优惠"
	}],
	"post_payments": [{
		"amount": 2,
		"description": "冰箱购物收费",
		"name": "无人售货柜购物"
	}],
	"risk_fund": {
		"amount": 20000,
		"description": "",
		"name": "ESTIMATE_ORDER_COST"
	},
	"service_id": "00004000000000530082451787938770",
	"service_introduction": "智慧零售",
	"state": "DONE",
	"state_description": "",
	"time_range": {
		"end_time": "20191202161536",
		"start_time": "20191202155523"
	},
	"total_amount": 1
}

官方文档地址：

https://pay.weixin.qq.com/wiki/doc/apiv3/wxpay/payscore/chapter3_2.shtml