If you enrolled online, you should receive an email confirming that you successfully signed up. If you didn't, do the following:
If you can't figure out the problem, just contact us.
AutoPay should take effect on your next billing cycle. Keep paying your bill normally until you see a message in My CenturyLink or on your bill indicating AutoPay is taking care of your payments automatically.
In My CenturyLink, you will see a message that says something like "You've signed up for AutoPay". On your bill you'll see a message that says something like "Your account is on AutoPay" or "Thank you for using AutoPay." If you don't see a message in My CenturyLink or on your bill, AutoPay isn't working yet and you need to keep paying your bill normally.
Understanding how AutoPay works
How to change your AutoPay payment information
Does canceling your service stop AutoPay too?
How changing your CenturyLink service impacts AutoPay
How to know if AutoPay has started
Removing AutoPay from your account
Making additional payments when you’re signed up for AutoPay