{
"merchantId": 1,
"templateId": 1,
"externalUserId": "ext_user_001"
}curl --location --request POST 'http://10.168.1.163:48080/open-api/v1/coupon-purchases' \
--header 'Content-Type: application/json' \
--data-raw '{
"merchantId": 1,
"templateId": 1,
"externalUserId": "ext_user_001"
}'{
"code": 0,
"msg": "",
"data": {
"purchaseId": 0,
"payableAmount": 0,
"status": 0,
"statusName": "",
"nextAction": "",
"payOrderId": 0,
"couponId": 0
}
}