I haven't used it, but they seem to have a Recurring Billing service: http://www.cybersource.com/resources/collateral/Resource_Center/product_briefs/Recurring_B

I haven't used it, but they seem to have a Recurring Billing service: http://www.cybersource.com/resources/collateral/Resource_Center/product_briefs/Recurring_Billing_Datasheet_101403v2.pdf http://www.cybersource.com/resources/collateral/Resource_Cen... I always figured that you want to maintain your own transaction records anyway for internal accounting and metrics. If you do that then you really have 90% of the work already done for a basic recurring billing system.