curl --request POST \
  --url https://api.loyalty.dog/v2/giftcards/programs/{programId}/cards/{cardId}/void \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reason": "<string>",
  "refundReference": "<string>"
}
'

{
  "success": true,
  "cardId": "<string>",
  "action": "<string>",
  "message": "<string>",
  "newExpiresAt": "2023-11-07T05:31:56Z",
  "transactionId": "<string>"
}