Coupon Publisher is a type of affiliate marketing program. It involves a company offering coupons to affiliated websites, which in turn promote the product or service and provide a link for customers to use the coupon. The affiliated website earns a commission for each sale that is made using their coupon.For example, let's say a company called Acme Widgets offers a coupon publisher program to affiliated websites. The affiliated websites would promote Acme Widgets and provide a coupon code for customers to use for a discount. If a customer uses the coupon code and makes a purchase, the affiliated website will earn a commission for the sale.Coupon publisher programs are a great way for companies to increase sales, gain exposure, and reward affiliates for promoting their products or services. Companies can benefit from increased sales and the exposure they get from being promoted through affiliated websites. Meanwhile, affiliates can benefit from the commissions they earn from the sales they generate.