What payment options are available to purchase an On3 membership? January 13, 2022 15:21 Updated On3 currently accepts the following forms of payment: Visa, MasterCard, Discover and American Express credit cards. To submit a support request CLICK HERE. Related articles Subscribe to On3+ Special, limited-time sign up offer! Cancellation Policy Explain the three different platforms at On3 Will my On3 membership automatically renew at the end of my billing cycle?