| AUTHORIZATION | An authorization request is sent to the issuer to determine the validity of the card for making a payment. This request can either be approved or declined. |
| CLEARING | A clearing request is sent to the issuer to complete the settlement of a previously approved authorization request. The clearing request can be sent to settle: - a partial amount of previously approved amount |
| REVERSAL | A request to capture funds that were previously authorized. This is done when the merchant wants to finalize the transaction and deduct the funds from your account. |
| CAPTURE_REVERSAL | A request to reverse a capture that was previously made. This is typically done when a transaction is cancelled after the funds have been captured. |
| REFUND | A request to refund a previously completed transaction. This is done when a merchant needs to return funds to you for a transaction that has already been settled. |
| REFUND_REVERSAL | A request to reverse a refund that was previously made. This is typically done when a refund is cancelled or needs to be adjusted. |
| SETTLEMENT | A request to settle a transaction that has been previously authorized or captured. This is done to finalize the transaction and ensure that the funds are transferred to the merchant. |
| SETTLEMENT_REVERSAL | A request to reverse a settlement that was previously made. This is typically done when a settlement is cancelled or needs to be adjusted. |
| CHARGEBACK | A request to dispute a transaction and initiate a chargeback process. This is done when you believe a transaction was unauthorized or incorrect. |
| CHARGEBACK_REVERSAL | A request to reverse a chargeback that was previously initiated. This is typically done when a chargeback is resolved in favor of the merchant or when the dispute is settled. |
