# Returns the serial transaction line with the given identifier.

`GET /inventory/serial-transactions/{id}`

Group: Inventory › Serial Transactions · Operation ID: `getSerialTransaction`

Returns the same item schema as GET inventory/serial-transactions and POST inventory/serial-transactions/search. The id you pass is the serial line's identifier, not the ledger row's (transactionId) or the unit's (serialNumberId).

[Open in the interactive reference](https://docs.api.lensing.ai/?op=getSerialTransaction)

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `Api-Version` | header | `"v1"` | yes | The API version this request targets, named by its public identifier. Required on every request; omitting it, or naming a version this company does not have, is answered with 400. This document describes version `v1`. |
| `id` | path | string | yes | The unique identifier for the serial transaction line to return. It is the serial line's identifier, not the ledger row's (transactionId) or the unit's (serialNumberId). |

## Response

`200` Success

Under `data` (getSerialTransactionOutput):

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | string | yes | The unique identifier for the serial transaction line. This is a different record from the ledger row (transactionId) and the unit (serialNumberId). |
| `serialNumberId` | string | yes | The unique identifier for the serial number that moved. See id on GET inventory/serial-numbers/:id. |
| `serialNumber` | string | no | The serial number stamped on the unit, for example 'SN-000412'. |
| `manufacturerSerialNumber` | string | no | The manufacturer's own serial number for the unit, where one is recorded. |
| `expirationDate` | string (date) | no | The date the unit expires, from the serial record. Format YYYY-MM-DD. |
| `entryDate` | string (date) | no | The date the unit entered inventory, from the serial record. Format YYYY-MM-DD. |
| `isSold` | boolean | no | Whether the unit has since been sold. This is a current property of the unit, not of this movement, so a receipt line shows true once the unit is later sold. |
| `transactionId` | string | no | The unique identifier for the ledger row this serial line belongs to. See id on GET inventory/inventory-transactions/:id. |
| `itemId` | string | no | The unique identifier for the item that moved, from the ledger row, not the unit's current item. See id on GET inventory/items/:id. |
| `itemCode` | string | no | The code of that item. |
| `itemName` | string | no | The display name of that item. |
| `locationId` | string | no | The unique identifier for the location the movement was posted at, from the ledger row, not where the unit is now. See id on GET inventory/warehouses/:id. |
| `locationCode` | string | no | The code of that location. |
| `locationName` | string | no | The display name of that location. |
| `transactionDate` | string (date) | no | The date the movement was posted. Format YYYY-MM-DD. |
| `inQuantity` | string (decimal) | no | The quantity into stock for this movement. It is 1 when the movement received the unit and 0 otherwise. |
| `outQuantity` | string (decimal) | no | The quantity out of stock for this movement. It is 1 when the movement issued the unit and 0 otherwise. |
| `cost` | string (decimal) | no | The cost of the unit at this movement, in the currency named by currency. |
| `currency` | string | no | The currency the cost is stated in. Format ISO 4217, for example 'USD'. |
| `sourceDocumentLineType` | string, one of `"IMInventorySalesOrderLine"`, `"IMInventorySalesDeliveryLine"`, `"IMSalesOrderLine"`, `"IMInventoryPurchaseReturnLine"`, `"IMInventorySalesReturnLine"`, `"IMWarehouseTransferLine"`, `"IMInventoryDecreaseLine"`, `"IMInventoryIncreaseLine"`, `"IMInventoryRevaluationLine"`, `"IMInventoryTransferLine"`, `"IMInventoryAdjustmentLine"`, `"IMInventoryCountLine"`, `"IMInventoryPutAwayTask"`, `"IMInventoryPurchaseReturnReversal"`, `"PurchaseOrderLine"`, `"IMLandedCostAllocationLine"`, `"SalesOrderProductItem"`, `"IMWarehouseTransferOrderLine"`, `"VendorBillItemBase"`, `"InvPurchaseDeliveryLine"` | no | The kind of document line that produced the movement, from the ledger row. |
| `lastModifiedDate` | string (date-time) | no | The date and time the serial line last changed, in UTC. Format YYYY-MM-DDTHH:mm:ss.sssZ. |

## Errors

| Code | Status |
| --- | --- |
| `NOT_FOUND` | 400 |

## Statuses

- `400` — Invalid request or business failure. Codes: NOT_FOUND
- `401` — Missing or invalid access token
- `403` — Not authorized
- `404` — Not found
- `429` — Too many requests
- `500` — Internal server error