The last four digits of your SSN (Social Security Number).Contact information (Email, phone number).In order to register correctly, have the following information ready, which is required as part of FanDuel Know Your Customer (KYC) compliance processes: Once you’ve clicked, you should be prompted to register. To open a betting account with FanDuel, follow this link, and click on the Join Now button, which appears in the top right corner. Open a Sports Betting Account with FanDuel.