Whataburger is offering new Rewards members a free burger upon sign-up and an additional 500 points when they make their first online order of $10 or more via the Whataburger app. To redeem the offer, create a new account, enter the code NVKHB8RN83FJ during registration, and check "My Offers" to apply the discount. 

 The Whataburger rewards program allows members to earn 10 points for every $1 spent. These points can be redeemed for various menu items, including fan favorites like the Spicy Chicken Sandwich and the classic Whataburger​