get https://api.gameoptimiser.com/orders/products//payout/latest
Retrieves the latest unaccessed gift card payout for a specific product. This is useful for retrieving gift cards that have been ordered but not yet accessed.
Notes:
- Returns 404 if no unaccessed payouts are found
- Payouts are marked as accessed when the payoutUrl is first retrieved
- Payouts expire after a certain period (see payoutExpiryDate)