post https://api.sandbox.rainforestpay.com/v1/device_registrations//cancel
Best effort attempt to cancel currently presented payin or payment method on device. This does not guarantee the presented entity can be canceled on the device. If the payin begins processing before it can be canceled, then you will need to void the payin if it processes. A corresponding webhook will trigger if the presented payin or payment method is canceled or processes.
If no payin or payment method is being presented at the time of the request, a 202 Accepted response will be returned.