Home / Wiki / E / Ethoca Alert

Ethoca Alert

Cards and IssuanceUpdated 15 Nov 2026

An Ethoca alert is a message delivered to a merchant through the Ethoca network, a collaboration service that connects card issuers with merchants. When an issuer confirms that a transaction is fraudulent, or a cardholder raises a dispute, the issuer can share the details through Ethoca. The merchant receives the alert, often within hours, and can refund the transaction, cancel shipment or stop a subscription. A refund made in response to an alert usually prevents the issuer from raising a chargeback for that transaction.

Ethoca was founded in Canada in 2005 and acquired by Mastercard in 2019. Its alerts are a leading example of a dispute alert, alongside the Verifi alert service owned by Visa. Although Ethoca is owned by Mastercard, its network includes issuers of cards on several brands, so merchants can receive alerts for transactions on more than one network.

01

How Ethoca alerts work

  1. A cardholder reports an unrecognised transaction, or the issuer's fraud systems confirm fraud.
  2. The issuer, if it participates, sends the transaction details to Ethoca. This can happen before the issuer decides on a chargeback.
  3. Ethoca matches the details to an enrolled merchant using identifiers such as the card number, amount, date and merchant descriptor.
  4. The merchant, or its payment provider, receives the alert through a portal or an API.
  5. The merchant decides how to act and reports the outcome, for example that it has refunded, that the order was already refunded, or that it could not find the transaction.

Merchants usually need to respond within a short time window, commonly about 24 to 72 hours, because the issuer may proceed with a chargeback if the case is not resolved.

02

Types of alert

  • Confirmed fraud alerts. The issuer has determined that the transaction was not made by the genuine cardholder.
  • Customer dispute alerts. The cardholder has raised a non-fraud issue, such as goods not received or an unwanted subscription charge.

Ethoca also offers services that go beyond alerts, including Consumer Clarity, which shares detailed order information with issuers so that cardholders can recognise purchases while speaking to their bank, and services for preventing first-party disputes. These aim to stop disputes before they start rather than after a cardholder has complained.

03

Benefits for merchants

Merchants use Ethoca alerts to avoid chargebacks and their costs, including the chargeback fee, the time needed to prepare a response and the effect on the merchant's chargeback ratio. Keeping disputes low helps merchants avoid card scheme monitoring programmes and the fines that come with them. Alerts on confirmed fraud also let merchants cancel related orders before shipping goods and block cards, accounts or devices linked to the fraud, reducing further losses. For subscription businesses, alerts help stop billing customers who no longer want a service, which reduces repeated disputes.

04

Costs and limitations

Merchants pay a fee for each alert, typically through their payment provider or an alert reseller. Because they refund the transaction, they also lose the sale, so alerts are most valuable where a chargeback was likely and hard to win. Some disputes that merchants could have won, such as friendly fraud, will still be refunded if the merchant accepts every alert. Coverage depends on issuer participation, which varies by country and bank, so alerts do not catch all disputes. Duplicates can occur if a chargeback is raised before the alert refund is processed, and merchants then need to show the refund to have the chargeback reversed. Alerts relating to fraud may still be counted in network fraud reporting even after a refund.

05

Operational best practice

Merchants that use Ethoca alerts generally automate their response, matching alerts to orders, checking whether goods have shipped, issuing refunds and updating fraud systems. Accurate descriptors are important for matching. Many merchants combine Ethoca with Verifi services and with early fraud warnings from their acquirer to maximise coverage, while removing duplicates so that the same transaction is not refunded twice. Analysis of alert data, by product, channel and reason, helps identify root causes such as unclear billing or weak fraud screening, which are addressed as part of broader dispute management.

06

Role in the payments ecosystem

For issuers, sharing information through Ethoca can reduce the cost of handling chargebacks and improve the cardholder experience, as cases can be resolved more quickly. For the card networks, collaboration services reduce friction in the dispute system as a whole. Mastercard has integrated Ethoca's capabilities into its wider set of dispute and fraud tools, and similar collaboration is increasingly seen as a normal part of card acceptance for online merchants, especially those in sectors with high dispute rates.

Last updated 15 Nov 2026