{
"userReqNo": "string",
"refundAmount": 0,
"channelType": "string",
"cardId": "string",
"groupId": "string",
"remarkOne": "string",
"remarkTwo": "string"
}curl --location --request POST '/openapi/vcc/card/refund' \
--header 'Content-Type: application/json' \
--data-raw '{
"userReqNo": "string",
"refundAmount": 0,
"channelType": "string",
"cardId": "string",
"groupId": "string",
"remarkOne": "string",
"remarkTwo": "string"
}'{}