# Transaction types Following are the transaction types and definition | **Transaction type** | **Field transaction\_type** | **Definition** | | --------------------------- | --------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Purchase | PURCHASE | It indicates that the transaction is any kind of card purchase, which can be identified in more detail via the pos\_environment field | | Cash withdrawal | CASH\_WITHDRAWAL | It indicates that the transaction is a cash withdrawal and it is performed by the cardholder at the ATM | | Refund | REFUND | A refund is a credit note on the card which can happen in case the customer bought something and gave it back, for example | | Balance Inquiry | BALANCE\_INQUIRY | It indicates that the transaction is checking the account balance on the ATM | | Account Verification | ACCOUNT\_VERIFICATION | This transaction type is use to verify the account when adding the card on a payment gateway portal, the payment gateway will generate a transaction just to verify that the account is valid (transaction amount = 0) | | Wallet Debit | WALLET\_DEBIT | It indicates that the transaction is unloading of funds | | Wallet Credit | WALLET\_CREDIT | It indicates that the transaction is the loading of funds | | Wallet Transfer | WALLET\_TRANSFER | It indicates that the transaction is account to account transfer | | Original Credit Transaction | OCT | It is a financial transaction that delivers funds directly to a recipient's eligible account | | Account Funding Transaction | AFT | It is a type of transaction where a payment service provider, such as a bank or a financial institution, directly debits a payment from a cardholder's account |