Cancel an authorisation

Cancels the authorisation hold on a payment, returning a unique reference for this request. You can cancel payments after authorisation only for payment methods that support distinct authorisations and captures. For more information, refer to [Cancel](https://docs.adyen.com/online-payments/classic-integrations/modify-payments/cancel). > This endpoint is part of our [classic API integration](https://docs.adyen.com/online-payments/classic-integrations/api-integration-ecommerce). If using a [n...