CreditNoteInput

amount
Type: integer
min:
1
required

How much to refund. A positive integer in minor units, at most what was paid less what's been refunded.
invoiceId
Type: string
required

The invoice whose payment to refund.
idempotencyKey
Type: string

Makes the refund once only. Keys don't expire and are shared across every invoice.
reason
Type: string
max length:
500

Why, for your records and the invoice's history.