To join up for Pizza Hut rewards, go to the company's website and create an account. For the website's home page, go to Hut Rewards. Select Sign Up from the drop-down menu. Your email address, password, your full name, phone number, and ZIP code must all be entered. You may also opt-in for text offers by checking the box labeled Yes, I Want Text Deals and entering your birthday for Hut Rewards birthday bonuses.