post https://api.sandbox.bvnk.com/payment/v1/payins//refund
Initiates a full or partial refund of a previously successful pay-in identified by transactionReference.
- Processing — As soon as the request is accepted, the platform creates a new entry visible in the merchant portal wallet and via API.
- Destination — Funds are returned to the same payment method that was used for the original pay-in.
- Multiple partial refunds - You may call this endpoint several times, as long as the sum of
amount.valueacross all refund calls does not exceed the original pay-in amount.