Payment Defender Knowledge Base

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Get practical guidance for Payment Defender products, dispute-alert workflows, chargeback management, refund protection, fraud monitoring, VAMP visibility, integrations, account settings, and merchant operations.

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8 help articles match the current filters.

Help Articles

Payment Defender Guidance

Knowledge BaseRefund Guard™ · Refunds and CreditsReference

What Happens When a Disputed Transaction Was Already Refunded?

Learn how merchants should review dispute alerts when a transaction has already been refunded and how duplicate-credit risk can be reduced.

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Knowledge BaseAlertBridge™ · Alerts and DisputesReference

How AlertBridge™ Matches Dispute Alerts to Transactions

Learn how AlertBridge™ connects dispute alerts with transaction records, refund activity, chargeback records, merchant rules, and review outcomes.

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Knowledge BaseAlertBridge™ · Alerts and DisputesGetting Started

Getting Started With AlertBridge™ Dispute Alerts

Learn how to review an incoming dispute alert, confirm the related transaction, check existing refund activity, and determine the appropriate next action.

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Knowledge BaseRefund Guard™ · Refunds and CreditsHow-To

How to Check Refund and Credit History in Refund Guard™

Learn how to review prior refunds, credits, cancellations, and dispute activity before issuing another customer credit.

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Knowledge BaseThreshold Defense™ · Fraud and VAMPReference

How to Monitor VAMP and Payment Performance in Threshold Defense™

Learn how to review fraud, disputes, transaction volume, declines, approvals, merchant accounts, and payment-performance trends in one monitoring workflow.

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Knowledge BaseTransaction Proof™ · Evidence and RepresentmentHow-To

How to Prepare Dispute Evidence With Transaction Proof™

Learn how to organize transaction, order, customer, fulfillment, authentication, refund, and communication records for a chargeback response.

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Knowledge BaseChargeback Shield™ · Alerts and DisputesHow-To

How to Review a Chargeback Case in Chargeback Shield™

Learn how to review the reason code, response deadline, transaction context, evidence requirements, and available merchant action for a chargeback case.

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Knowledge BaseFraud Signal™ · Fraud and VAMPReference

How to Review Fraud Activity in Fraud Signal™

Learn how to review fraud reports, transaction patterns, unauthorized claims, TC40 activity, merchant trends, and available payment context.

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Payment Defender can help with product workflows, dispute alerts, chargeback cases, refund activity, fraud monitoring, integrations, account questions, and payment-risk operations.