Pay someone else’s bill

user_86wtw9 Hello! Thank you for reaching out to us on our Community Forum. You must be an authorized user on the person's account to be able to make a payment on their account. We now require an account to be logged in to make a payment. Here is a link that covers more information but to answer your original question a sign-in is required (https://www.xfinity.com/support/articles/pay-comcast-bill-online).