v51

latestOpenAPI 3.1.0raw.githubusercontent.com2026-07-311381395.5 KB
Modifications

Cancel or refund a payment

Cancels a payment if it has not been captured yet, or refunds it if it has already been captured. This is useful when it is not certain if the payment has been captured or not (for example, when using auto-capture).

Do not use this endpoint for payments that involve:

Instead, check if the payment has been captured and make a corresponding /refund or /cancel call.

For more information, refer to Cancel or refund.

This endpoint is inactive and is no longer supported for new integrations.

The Checkout API enables your online payments integration to accept all supported payment methods, use the latest features, and access more benefits.

post/cancelOrRefund

Request body

additionalDataobject

This field contains additional data, which may be required for a particular modification request.

The additionalData object consists of entries, each of which includes the key and value.

merchantAccountstring required

The merchant account that is used to process the payment.

originalMerchantReferencestring

The original merchant reference to cancel.

originalReferencestring required

The original pspReference of the payment to modify. This reference is returned in:

  • authorisation response
  • authorisation notification
referencestring

Your reference for the payment modification. This reference is visible in Customer Area and in reports. Maximum length: 80 characters.

tenderReferencestring

The transaction reference provided by the PED. For point-of-sale integrations only.

uniqueTerminalIdstring

Unique terminal ID for the PED that originally processed the request. For point-of-sale integrations only.

Response

OK - the request has succeeded.

additionalDataobject

This field contains additional data, which may be returned in a particular modification response.

pspReferencestring required

Adyen's 16-character string reference associated with the transaction/request. This value is globally unique; quote it when communicating with us about this request.

response'[capture-received]' | '[cancel-received]' | '[refund-received]' | '[cancelOrRefund-received]' | '[adjustAuthorisation-received]' | '[donation-received]' | '[technical-cancel-received]' | '[voidPendingRefund-received]' | 'Authorised' | 'Refused' | 'Error' required

Indicates if the modification request has been received for processing.