# Operation types

Name Description
Pay Debiting funds from the card
Preauth Blocking/authorizing funds on the card as part of a two-stage payment
Reversal Removing the blocking of funds within the framework of a previously carried out blocking/authorization
Refund Cancellation of a previously completed debit (payment) and return (full or partial) of funds to the payer’s card.
payout Payment of funds to the card
Binding Linking/tokenization of a card, during which a checksum is written off and then canceled to check the functionality of the card