You can add a debit or credit to the processed order by Ratepay. It is required that at least one order-item has been marked as shipped and not returned.
Item(s) has been successfully added
The provided order-line-items does not belongs to the order, or the quantity is zero.
The order does not exist.
An error occurred during the adding
{- "grossAmount": -5,
- "name": "Discount for damaged goods",
- "taxId": "a06c753d068c487991d6a833b4133560"
}
{- "status": false,
- "message": "string"
}