Process a Refund

This guide shows you how to return money to a customer's card using App2App integration.

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Refund Transaction

// Refund for €10.00
startPaymentTransaction(
    type = StartTransactionType.REFUND,
    amountInCents = 1000,
    uniqueTransactionId = "",
    enablePrinting = true
)

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Parameters

Parameter	Value	Description
type	StartTransactionType.REFUND	Transaction type
amountInCents	1000	Refund amount in cents (€10.00)
uniqueTransactionId	""	Leave empty for refunds
enablePrinting	true	Enable receipt printing

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Amount Format

Always pass amounts in cents/minor currency units (e.g., 1250 = €12.50).