> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getlemma.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Get transaction
> Retrieve a single transaction by its ID.
Returns a single transaction object.
## Path parameters
The unique identifier of the transaction to retrieve.
## Response
Unique identifier for the transaction.
The ID of the bank account this transaction belongs to.
The transaction amount in cents. Positive for credits (money in), negative for
debits (money out).
[ISO 8601](/api-reference/timestamps) timestamp of when the transaction
occurred.
Information about the origin of the transaction.
The type of transaction source. We will add additional values for this
enum over time; your application should be able to handle such additions
gracefully. Not every transaction source will have additional details.
The description given to this internal transfer between accounts.
The statement descriptor for this ACH transfer.
The ACH trace number.
The raw return reason code.
A payment received from a patient or payer via credit card.
A fee charged for processing a card payment.
A chargeback dispute initiated by the cardholder.
A fee charged by the card processor for handling a chargeback dispute.
A reversal of a chargeback that was previously filed by the cardholder.
A refund issued to a patient or payer who paid via credit card.
A fee charged by the card processor for handling a refund.
The merchant category code (MCC).
The merchant's country.
The amount in the presentment currency.
The presentment currency.
The merchant category code (MCC).
The merchant's country.
The amount in the presentment currency.
The presentment currency.
The merchant category code (MCC).
The merchant's country.
The amount in the presentment currency.
The presentment currency.
The merchant category code (MCC).
The merchant's country.
The amount in the presentment currency.
The presentment currency.
The check issuer's account number.
The check issuer's routing number.
The check number.
The auxiliary on-us field from the check.
The reason the check deposit was returned.
The ACH trace number.
The name of the originating company.
The ID of the originating company.
The entry description set by the originator.
The descriptive date set by the originator.
Discretionary data set by the originator.
The reason for the check adjustment.
The name of the sender.
The name of the creditor.
The RTP transaction ID.
Free-form remittance information.
The Fedwire input message accountability data (IMAD).
The return reason code.
Additional information about the return reason.
The Fedwire input message accountability data (IMAD).
The name of the sender.
The sender's address.
The name of the creditor.
Free-form remittance information.
The end-to-end ID.
The unique end-to-end transaction reference (UETR).
A deposit bonus credited by Lemma.
A fee charged by Lemma.
A recurring subscription fee charged by Lemma.
A loan draw from or a payment toward a Lemma loan.
Free-form remittance information.
The message to the recipient.
The other party in the transaction, if known.
The kind of account the counterparty is. One of `bank_account`,
`external_account`, or `fixed_fee_loan`.
The Lemma bank account ID of the other account in the transfer.
The [saved recipient](/api-reference/saved-recipients) ID the money
was sent to.
The Lemma fixed fee loan ID of the other account in the transfer.
```json 200 theme={null}
{
"id": "transaction_Wp5mRx3nKv8bTh2d",
"account_id": "account_Rv4nBt8xKw2pMh6s",
"amount": -325000,
"occurred_at": "2026-03-12T16:45:00Z",
"source": {
"category": "ach_transfer_intention"
},
"counterparty": {
"type": "external_account",
"external_account": {
"id": "external_account_Bx5nTm8hKw3pVd7c"
}
}
}
```
```json 404 theme={null}
{
"statusCode": 404,
"error": "Not found",
"message": "Transaction not found"
}
```