Coupons and online coupons used on Internet are form of rebate or discount when purchasing a product on online store.

Online retailers often refers coupon to “coupon codes”, “promotional codes”, “promotion codes”, “discount codes”, “key codes”, “promo codes”, “surplus codes”,  “shopping codes”, “voucher codes”, “reward codes”, “discount vouchers”.

Online coupons usually offer a discount, for example $20 off for every purchase for $100, or free shipping when customer spend certain amount of money (for example minimum $50 per order).

On CatalogSpot are offered deals, online codes, free shipping offers and discounts.