Definition
An account updater is a service that automatically updates stored payment credentials – card number, expiry date, or both – when a cardholder's card is renewed, replaced, or reissued. Without account updater, merchants relying on stored card-on-file credentials face growing rates of payment failures as cards expire or are replaced after fraud incidents.
How It Works
Visa operates the Visa Account Updater (VAU). Mastercard operates the Automatic Billing Updater (ABU). Both services run in the background: merchants submit batches of stored PANs (or tokens) to the scheme, and the scheme returns updated credentials if the underlying card details have changed. The process is invisible to the cardholder and requires no action from the merchant's customer-facing systems.
Account Updater and Network Tokenization
Network tokens (Visa Token Service / MDES) offer a more automated alternative. A network token is tied to the underlying card account, not the card number itself. When a card is renewed or replaced, the token remains valid – the scheme updates the mapping internally. This makes network tokenization a more robust long-term solution than batch-based account updater services, particularly for subscription merchants with large stored-credential bases.
Business Impact
For subscription and recurring payment merchants, payment failures from expired or replaced cards (involuntary churn) can represent 1–3% of MRR. Account updater services typically recover 30–60% of these failures, directly improving revenue retention.