Voucher Cancel

POST /voucher/cancel

{
  "clientPaymentId": "yourid01",
  "cancelledReason": ""
}

Parameter	Type	Required	Description
`clientPaymentId`	string	Yes	This is same clientPaymentId that you used to create the voucher.
`cancelledReason`	string	Yes	Reason for cancellation.

status="success"

{
  "status": "success"
}

status="error"

Exact reason will be returned in message.

{
    "status": "error",
    "message": ...
}