noun
loyalty program; rewards program
A system where customers earn points for purchases, which can later be redeemed for discounts, goods, or services. Common in retail, airlines, and credit cards.
wasei-eigo (Japanese-coined English), from point service
この店のポイントサービスは、100円ごとに1ポイント貯まります。
This store's loyalty program gives you one point for every 100 yen spent.
ポイントサービスを利用して、次回の買い物で割引を受けた。
I used the rewards program and got a discount on my next purchase.