Promo codes are a mixture of letters and numbers that make up a specific code. This code can be entered into an ecommerce website to gain discount on a product or service like free shipping. Its a marketing strategy that gives customers another reason to make a purchase.

How do I get a promo code for Google?

Open the Google Pay app .Tap Menu. Enter promo code.Type in the referral code that your friend sent you. If the code is valid, youll see a success screen.Make your first qualifying payment.