
Online merchants offer coupon codes as an incentive to shoppers to purchase from their website. There are as number of phrases used to mean coupon code, including the following: promotional or promo code, discount code, offer code, gift code, digital coupon and similar variations.

Most coupon codes offer discounts for online purchases such as a fixed discount, a percentage off the entire purchase, free shipping or other discount as advertised by the merchant.

In e-commerce and online shopping a coupon code, or promo code, is a computer-generated code, consisting of letters or numbers that consumers can enter into a promotional box on a site’s shopping cart (or checkout page) to obtain a discount on the current purchase.
