Operation types

Name	Description
Pay	Debiting funds from the card
Auth	Authorization: blocking funds on the card as part of a two-stage payment
Preauth	Preauthorization: blocking funds on the card as part of a two-stage payment
Reversal	Removing the funds block within a previously performed block/authorization
Refund	Cancellation of a previously completed debit (payment) and return (full or partial) of funds to the payer’s card.
Payout	Payout of funds to the card
Binding	Card binding/tokenization, during which a control amount is debited and then canceled to verify that the card works