Eligible Transactions: Only transactions with a status of COMPLETED can be refunded.
Time Frame: Refunds must be requested within 30 days of the payment created date.
Pending Settlements: Refunds can be issued even if the settlement is still pending (Alipay, WeChat, Card).
Partial Refunds: Multiple partial refunds can be issued until the total amount paid is refunded.
Rate limit: Request limit 500 reqeusts/second.
Refund Enablement: The outlet/terminal must have the refund feature enabled to allow refunds.