To receive points on your birthday, you must save your birthday in your rewards account at least 30 days before your birthday.
To do this, simply click the rewards and referrals launcher button on the rewards page and then click on "ways to earn."
You will see the option to save your birthday. An automated email will notify you on your birthday that you have received 500 points.
*Remember, in order to receive the 500 hundred points on your birthday you must have saved your birthdate in your account no later than 30 days before your birthday. So, save it now--so you don't forget!