The Failed event occurs when a transaction reaches a Failed status.

If the associated transaction is a payment transaction, additional fields beginning with paymentProviderTransaction will be included. More information regarding failed payments can be found in the Payment Decline Codes section of the Type Definition guide.

Note on Example Events
Although webhook payload examples, shown to the right, appear in JSON format, all webhook payloads from Trustly are URL encoded strings.
Content-Type: application/x-www-form-urlencoded