Contact Us For your convenience, we have published answers to the most frequently asked questions about Paytrust. You may be able to instantly find the answer to your support questions in the FAQ section. Paytrust also features world-class client support - you can email us anytime at support@paytrust.com or call us toll free with your questions at 1-800-PAYTRUST. Our staff of trained support representatives is available to assist you 24 hours a day, 7 days a week.