Devices, computer-implemented methods, and computer-readable media for a redemption header for merchant offers, such as online coupons, are provided. In some embodiments, an offers website may provide offers, such as online coupons, in a browser executing on a user device. When a user selects an online coupon, the browser is redirected to a merchant website associated with the online coupon and a coupon code value is copied to a clipboard. Additionally, a redemption header having the coupon code and instructions is added in the merchant webpage. A webpage element for the redemption header, such as an inline frame, is created in the merchant webpage and the redemption header is provided based on an offer identifier stored in a browser-accessible storage item such as a cookie.