Do my Pay As You Go credits expire? November 08, 2018 18:25 Pay As You Go credits that you purchase will expire 180 days after the purchase date. Related articles I am getting a Security Warning — “The Certificate for domain ROK Talk is not valid or has expired.” Why am I getting this warning? How does the plan work? Which countries can I call? Why am I getting an error “Certificate Expired” when I open my dialer? What happens if a number I call is not on the Unlimited plan? Comments 0 comments Please sign in to leave a comment.