Reverse a payment - tries void first (for unsettled transactions), falls back to refund. This is the recommended endpoint for canceling payments as it automatically picks the right method.

Request to reverse a payment (void or refund). The system will automatically try void first for unsettled transactions, then fall back to refund for settled transactions.

Result of a payment reversal operation. Indicates whether the payment was voided (unsettled) or refunded (settled).