Refund Failure Codes

Failure Code	Failure Reason
REFUND_ALREADY_PROCESSED	The refund for the payment session passed is already processed.
INVALID_PARAMS	The parameters passed for this refund were invalid
INTERNAL_ERROR	Processing error because of which refund failed. Please reach out to [email protected] for further details

Please Note: These failure reasons are just the inferences from Zamp and merchants can show their own reasons for these codes.