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Real-time KBA failure alerts for real estate users – Proof Help Center

Real-time KBA Failure Alerts in Proof notify transaction senders, title agents, and lenders via email immediately when a signer fails knowledge-based authentication twice and is locked out for 24 hours, enabling them to promptly reschedule real estate closings through their accounts, improve communication, and manage transactions by viewing current KBA issues in a dedicated list that updates automatically after the lockout period.

The short answer: KBA Failure Alerts send a real-time email notification to the transaction sender if a signer fails knowledge-based authentication (KBA) twice and is locked out of the transaction for 24 hours.

These alerts:

  • Remove the guesswork of waiting on the signer.
  • Provide the opportunity to make immediate adjustments to the closing schedule.
  • Improve communication.

KBA failure alerts do not make API alerts available. Customers who use the API can subscribe to a separate KBA failure webhook in addition to or instead of the email alert.


1. How it works

When a signer fails KBA, alerts are sent in real time via email to the transaction sender, title contact, and closer contact.

  • Title agents receive an email alert with a link to reschedule the closing.
  • Lenders receive an email alert with the borrower's name.
  • Both title agents and lenders can reschedule a real estate closing from their account.

You may also see a pop-up message in your account indicating a signer identity issue. Select the link in the message to view the transaction.

Rescheduling is only available if the signer fails KBA twice. For any other reason, the transaction must be recalled or cancelled and sent again.


2. Review KBA issues

Users with access to transactions can view a list of transactions with KBA issues by following the steps below.

  1. 1.Select Transactions from the left menu.
  2. 2.Select KBA issues from the Transactions page menu.
  3. 3.Select the desired transaction to open it.

Follow the reschedule instructions to change the date window if needed. See also the Transaction actions overview for other available actions.

When the 24-hour lockout window passes, the alert is automatically cleared from the transaction and the list updates. This list shows current KBA failures only — no history is kept.


Summary Checklist

  • Watch for a real-time email alert or pop-up if a signer fails KBA twice.
  • Go to Transactions → KBA issues to view affected transactions.
  • Reschedule the closing or recall and resend the transaction as needed.

Still unsure? Contact Proof Support for help.