curl --location --request GET 'https://saas-open.vhall.com/v3/goods/coupon/get-info?coupon_id' \
--header 'platform;'
{
"code": 0,
"msg": "string",
"trace_id": "string",
"data": {
"coupon_id": "string",
"coupon_name": "string",
"coupon_type": 0,
"threshold_amount": 0,
"deduction_amount": 0,
"validity_type": 0,
"validity_day": 0,
"validity_start_time": "string",
"validity_end_time": "string",
"use_desc": "string",
"applicable_product_type": 0,
"goods_num": 0,
"business_uid": 0,
"nick_name": 0,
"updated_at": "string"
}
}