04 · Overpayments
You receive the amount actually sent.
The payment data shows the expected price and the actual amount received, so your backend can apply the required rule.
Model price$100
→
Client sends$105
→
Actual amount receivedFundingPips sees the full payment data
Funds are already receivedAny refund of the excess is handled from the merchant side.
Amount is visibleUse payment/IPN data for your business logic.
Can be automatedThe next action can follow your business rule.
Preferred flow: should the excess be kept, credited, or refunded?