What is the maximum valid period of Pre-auth? January 19, 2022 16:52 The maximum valid period is 30 days. Related articles Is it possible to execute Get Payment Details for expired payment screen? Is it possible to sign up for a new account upon user authorization? If the users confirmation is required at the time of Capture (payment confirmation), how many hours do I have to obtain the users confirmation? Comments 0 comments Please sign in to leave a comment.