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 |