You will need to use your Promo Codes at Balr by following these steps: Sign in to your balr.com account, if you don't already have one, you will need to create a new Balr account. Then, add the selected items to the shopping cart. Then, click Pay to enter the payment page, you can see the prompt [Use your Coupon Codes], check the Balr Coupons of your choice, and then return to the checkout page and click Pay.