# Transactions

### The Transaction Object

This section describes the different attributes available for a transaction.

| Attribute       | Type       | Description                                                                                                                                      |
| --------------- | ---------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
| amount          | *number*   | Total amount for transaction.                                                                                                                    |
| currency        | *string*   | Currency for transaction.                                                                                                                        |
| description     | *string*   | Human readable description explaining the transaction. e.g. *Billing charge for DHL Express shipment \[AG2345] to John Doe.*                     |
| flow            | *enum*     | Indicates the flow of the transaction. e.g. ***in*** - represents money into a wallet while ***out*** - represents money deducted from a wallet. |
| id              | *string*   | Unique identifier for transaction.                                                                                                               |
| platform        | *enum*     | Unique reference for platform processing transaction. Options available are ***shipmonk*** or ***terminal***.                                    |
| reference       | *string*   | Unique reference for transaction provided by processing platform.                                                                                |
| reversed        | *boolean*  | Indicates if transaction has been reversed to wallet.                                                                                            |
| shipment        | *string*   | Unique reference for shipment. Only supplied if transaction related to a specific shipment.                                                      |
| transaction\_id | *string*   | Unique reference for transaction.                                                                                                                |
| wallet          | *string*   | Unique identifier for wallet.                                                                                                                    |
| created\_at     | *datetime* | Time transaction created.                                                                                                                        |
| updated\_at     | *datetime* | Time transaction last updated.                                                                                                                   |