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HomeMoney managementTreasuryWorking with SetupIntents, PaymentMethods, and BankAccounts

ACH Notification of Change handling

Learn how external account information is updated.

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When you originate an ACH transaction with Stripe (for example, using InboundTransfer, OutboundTransfer, or OutboundPayment objects with Treasury), the financial institution receiving the transaction might return a Notification of Change (NOC). This is a message indicating that new information is available about the destination account (such as a new account number or routing number).

ACH network rules require Stripe to update saved account information when we receive an NOC. We automatically process the NOC by updating the relevant PaymentMethod or BankAccount object and notify you through a webhook. You might want to monitor these webhooks to inform your users that account information has changed or to update account information that you’ve persisted outside of Stripe.

NOC typeFields updated
Account numberaccount_number, last4, fingerprint
Routing numberrouting_number, fingerprint
Account use (for example, checking or savings)account_type, fingerprint

NOCs aren’t processed for OutboundPayment objects where payment method details are provided inline (using destination_payment_method_data) as there is no persisted PaymentMethod or BankAccount object in this case to update.

NOC for a PaymentMethod

When we receive an NOC for a transaction originated with a PaymentMethod object:

  • Stripe updates the PaymentMethod and triggers a payment_method.updated webhook.
  • If the PaymentMethod is attached to a Customer (for use with OutboundPayment objects), Stripe triggers a customer.source.updated webhook.
  • If the PaymentMethod is attached directly to a Stripe account (for use with InboundTransfer or OutboundTransfer objects), Stripe triggers an account.external_account.updated webhook.

NOC for a BankAccount

When we receive an NOC for a transaction originated with a BankAccount object:

  • Stripe updates the BankAccount object.
  • If the BankAccount is attached to a Customer (for use with OutboundPayment objects), Stripe triggers a customer.source.updated webhook.
  • If the BankAccount is attached directly to a Stripe account (for use with InboundTransfer or OutboundTransfer objects), Stripe triggers an account.external_account.updated webhook.

In cases where the BankAccount that’s set up as your platform’s primary external account is updated, Stripe also notifies you by email. We don’t send an email for updates to external accounts that are attached to your connected accounts’ Stripe accounts, or for updates to external accounts attached to Customer objects.

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