A transaction is a debit or credit transaction booked on a connected account. Mambu Payments (formerly Numeral) connects to your bank to retrieve account statements and extract transactions.

Attribute	Description
id string	The transaction ID
object string	Always `transaction`.
*connected_account_id* string	The ID of the connected account where the transaction has been booked.
*booking_date* date	The transaction booking date.
*value_date* date	The transaction value date.
*category* string	The transaction category. Existing transaction categories include: `credit_transfer` `credit_transfer_return` `cash_concentration` `direct_debit` `direct_debit_return` `cheque` `card` `lockbox` `counter_operation` `bill_of_order` `instant_credit_transfer` `other_payment` `cash_pooling` `account_balancing` `other_cash_management` `derivative` `loan` `fx` `precious_metals` `commodities` `trade_services` `securities` `account_management` `unavailable`
*description* string	The transaction description.
*direction* string	The transaction `debit` or `credit` direction.
*amount* integer	The payment amount, in the currency's smallest unit. For instance, euro smallest unit is cents and €20 is thus represented as `2000`.
*currency* string	The transaction currency. All ISO-4217 currency codes are supported.
*external_account* object	The external account having sent or received the transaction. The account is either the debtor or the creditor, depending on the transaction direction. The `external_account` object includes the following attributes: `account_number`: the account number of the external account `holder_name`: the name of the company or individual holding the account
*external_account_id* string	When an external account has been detected on the transaction, this property holds the ID of the external account object.
*internal_account_id* string	The ID of the internal account of type `virtual`, when a virtual account has been detected on the transaction.
*internal_account* object	When a virtual account has been detected on the transaction, the property contains the details of the internal details account of type `virtual`. It can contain an `account_number` sub-property containing the detected virtual account number.
*uetr* string	Unique end-to-end transaction reference (UETR). Can be used to track payments with Swift GPI.
*reconciliation_status* string	The reconciliation status of the transaction. Either `unreconciled`, `reconciled`, `partially_reconciled` or `excluded`. See Reconciliations for more details.
*reconciled_amount* integer	The amount reconciled, calculated as the sum of the reconciliations created for this transaction.
*bank_data* object	Bank data, such as message and transaction IDs, in JSON `key:value` format.
*custom_fields* object	Custom fields in JSON `key:value` format. See Custom fields.
*created_at* datetime	The UTC timestamp of the creation of this transaction.

Below is an example of a transaction:

{
   "id": "f6ada630-1774-46c1-a27f-1ce2f5fb8647",
   "object": "transaction",
   "connected_account_id": "ff1714ae-3ec8-450d-984c-c6ee44c82a88",
   "booking_date": "2025-01-18",
   "value_date": "2025-01-18",
   "category": "credit_transfer",
   "description": "MyCompany Invoice 5678",
   "direction": "credit",
   "amount": 2000,
   "currency": "EUR",
   "external_account": {
      "account_number": "FR5412739000504811631858C47",
      "holder_name": "Jane Doe"
   },
   "external_account_id": null,
   "internal_account": {
      "account_number": "FR4714508000301359366727T71"
   },
   "internal_account_id": null,
   "uetr": "e8a0e25e-8d56-4033-842d-9e2280a855f9",
   "reconciliation_status": "unreconciled",
   "reconciled_amount": 0,
   "bank_data": {
      "file_id": "26f4ca1c-65b0-412f-b464-206721d1e6d8",
      "statement_id": "STS-C4RR9YPLL0HHIFFHR-D8CET1",
      "end_to_end_id": "2144F77DJZB5949E0B15A7Z8923TX1"
   },
   "custom_fields": {},
   "created_at": "2025-01-19T00:11:07Z"
}