Issuer sent fraud alert notification


The issuer sent a fraud alert notification to schemes and to processors. Visa calls them TC40 and Mastercard calls them System to Avoid Fraud Effectively (SAFE). These are informational notifications from Adyen, providing you the opportunity to take action, such as blocking a shopper or issuing a refund before a chargeback happens.

Request Parameters


Informs about the origin of the notification. The value is true when originating from the live environment, false for the test environment.


A container object for the details included in the notification.

Response parameters

When you receive a webhook, you must respond with an HTTP status code.

HTTP Responses

  • 200 - No Content

    Webhook events are accepted on the basis of the HTTP status code.