v51

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

Change the authorised amount

Allows you to increase or decrease the authorised amount after the initial authorisation has taken place. This functionality enables for example tipping, improving the chances your authorisation will be valid, or charging the shopper when they have already left the merchant premises.

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/adjustAuthorisation

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.

All 13 operations