# Retrieve a product line

Operation ID: `getAccountingProductLine`

Group: Accounting › Products › Product Lines

[Open in the interactive reference](https://docs.api.lensing.ai/lensing/v1/endpoints/getAccountingProductLine)

`GET /accounting/product-lines/{id}`

Read-only: Reads and returns; changes nothing.

Retrieves a product line. Use the product line's id, not its productLineNumber.

The response includes the product line's tax records, its pricing headers with their price book entries, and its external identifiers.

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `Api-Version` | header | string · 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 of the product line you want to retrieve. |

## Response

`200` Success

Under `data` (getAccountingProductLineOutput):

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | string | yes | The unique identifier for the product line. |
| `productId` | string | yes | The product the product line belongs to. See id on GET accounting/products/:id. |
| `productName` | string | no | The display name of the product. See productName on GET accounting/products/:id. |
| `productLineNumber` | string | no | The product line number, assigned by the system and unique within the tenant. Example: 'PL-1001'. |
| `name` | string | yes | The name of the product line. |
| `lineType` | string | no | The type of product line. Possible values: 'recurring', 'oneTime', 'commitWithOverage', 'payAsYouGo', 'usage', 'prepaid', 'billableTime', 'billableTravelExpense', 'billablePassThrough'. |
| `priceModel` | string | no | How the product line is priced. Possible values: 'flat', 'perUnit', 'tiered', 'volume', 'stairstep', 'rateCard', 'thresholdBased'. |
| `pricingTerm` | string | no | The pricing term of the product line. Possible values: 'monthly', 'biMonthly', 'once', 'quarterly', 'semiAnnually', 'annually'. |
| `invoiceFrequency` | string | no | How often the product line is invoiced. Possible values: 'monthly', 'biMonthly', 'quarterly', 'semiAnnually', 'annually', 'once', 'custom', 'template', 'milestone', 'allAtOnce', 'termEnd'. |
| `unitOfMeasure` | string | no | The unit the product line's quantities are measured in. Possible values: 'instance', 'gigabyte', 'terabyte', 'user', 'seat', 'minute', 'hour', 'day', 'month', 'each', 'license', 'activeUser', 'megabyte', 'message', 'text', 'platform', 'employee', 'personnel', 'credit', 'currency', 'package', 'case', 'word', 'record'. |
| `taxMode` | string | no | How the product line's prices are quoted for tax. Possible values: 'TaxInclusive', 'TaxExclusive'. Absent if no tax provider was enabled in your tenant when the product line was last saved. |
| `enforceListPrice` | boolean | no | Whether the list price of the product line is enforced. When true, the list price comes from the price book and can't be changed on a sales order, a quote, or a subscription change. An unset value counts as true. |
| `hasUsage` | boolean | no | Whether the product line has a paired 'usage' line. True for 'prepaid' lines, and for 'recurring' lines whose priceModel is 'thresholdBased' or whose commitInvoicing has a value. |
| `hasBeenUsed` | boolean | no | Whether the product line is on at least one sales order. |
| `commitInvoicing` | string | no | When the minimum spend commit of a 'recurring' product line is invoiced. Possible values: 'advance', 'arrears'. Absent when the product line has no minimum spend commit. |
| `prepaidBalanceOverConsumptionBehavior` | string | no | What happens when usage exceeds the prepaid balance. Possible values: 'allowNegative', 'overage'. Applies only when lineType is 'prepaid'. |
| `prepaidBalanceRolloverAtRenewal` | boolean | no | Whether the remaining prepaid balance rolls over at renewal. Applies only when lineType is 'prepaid'. |
| `parentProductLineId` | string | no | The product line this 'usage' line is paired with. See id on GET accounting/product-lines/:id. Absent when the product line is not a paired 'usage' line. |
| `crmProductId` | string | no | The product line's identifier in an external CRM system. |
| `dataSource` | string | no | The source system or import job that produced the product line. Examples: 'Salesforce', 'NetSuite', 'Stripe'. |
| `createdDate` | date-time | no | The date and time the product line was created, in UTC. Format YYYY-MM-DDTHH:mm:ss.sssZ. |
| `lastModifiedDate` | date-time | yes | The date and time the product line last changed, in UTC. Format YYYY-MM-DDTHH:mm:ss.sssZ. |
| `productLineTaxes` | array<object> | no | The tax records of the product line. Absent when the product line has none. |
| `productLineTaxes[].id` | string | yes | The unique identifier for the tax record. |
| `productLineTaxes[].taxCode` | string | yes | The tax code, as defined by the configured tax provider. |
| `productLineTaxes[].engine` | string | yes | The tax engine that computes this tax. Possible values: 'avalara', 'anrok', 'everestTaxEngine', 'manualTax', 'none'. |
| `productLineTaxes[].country` | string | no | The country the tax record applies in. Format ISO 3166-1, for example 'US'. |
| `productLineTaxes[].entityId` | string | no | The legal entity this tax record applies under. See id on GET base/entities. |
| `pricingHeaders` | array<object> | no | The pricing headers of the product line, each with its price book entries. Absent when the product line has no pricing. |
| `pricingHeaders[].id` | string | yes | The unique identifier for the pricing header. See id on GET accounting/pricing/:id. |
| `pricingHeaders[].headerNumber` | string | no | The pricing header number, assigned by the system and unique within the tenant. |
| `pricingHeaders[].priceBookId` | string | no | The price book this header belongs to. See id on GET accounting/price-books/:id. |
| `pricingHeaders[].priceBookName` | string | no | The display name of the price book. See priceBookName on GET accounting/price-books/:id. |
| `pricingHeaders[].currency` | string | yes | The currency the header's prices are in. Format ISO 4217, for example 'USD'. |
| `pricingHeaders[].validFrom` | date | yes | The first date the header's prices are effective, inclusive. Format YYYY-MM-DD. |
| `pricingHeaders[].validTo` | date | no | The last date the header's prices are effective, inclusive. Format YYYY-MM-DD. Absent for a header with no end date. |
| `pricingHeaders[].priceBookEntries` | array<object> | yes | The price book entries of the pricing header. For a product line priced 'tiered', 'volume', 'stairstep', or 'thresholdBased', each entry is one tier: a quantity range with its own price. A 'flat' or 'perUnit' line has one entry, and a 'rateCard' line has one entry per rate-card entry. |
| `pricingHeaders[].priceBookEntries[].id` | string | yes | The unique identifier for the price book entry. |
| `pricingHeaders[].priceBookEntries[].priceBookEntryNumber` | string | no | The price book entry number, assigned by the system. |
| `pricingHeaders[].priceBookEntries[].listPrice` | decimal | no | The list price, in the header currency. On a rate-card entry, the list price is the rate. |
| `pricingHeaders[].priceBookEntries[].fromQuantity` | decimal | no | The lowest quantity in the tier, inclusive. Used only when the product line is priced 'tiered', 'volume', 'stairstep', or 'thresholdBased'. |
| `pricingHeaders[].priceBookEntries[].toQuantity` | decimal | no | The highest quantity in the tier, inclusive. Absent on the top tier, which has no upper limit. |
| `pricingHeaders[].priceBookEntries[].priceModel` | string | no | How the tier prices its quantity. Possible values: 'flat', 'perUnit', 'tiered', 'volume', 'stairstep', 'rateCard', 'thresholdBased'. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry` | object | no | The rate-card entry attached to this price book entry. Absent when the entry is not rate-card priced. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.id` | string | yes | The unique identifier for the rate-card entry. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.billableComponentId` | string | no | The unique identifier of the billable component this rate-card entry prices. No endpoint returns billable components. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.unitOfMeasure` | string | yes | The unit the rate is quoted in. Possible values: 'instance', 'gigabyte', 'terabyte', 'user', 'seat', 'minute', 'hour', 'day', 'month', 'each', 'license', 'activeUser', 'megabyte', 'message', 'text', 'platform', 'employee', 'personnel', 'credit', 'currency', 'package', 'case', 'word', 'record'. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.description` | string | no | A description of the rate-card entry. The description distinguishes the entry from other rate-card entries on the same billable component. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.usageType` | string | no | How usage is measured against this entry. Possible values: 'consumption', 'overage', 'thresholdCounter', 'payg'. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.billableUnitOfMeasure` | string | no | The unit used when billing this entry. Possible values: 'instance', 'gigabyte', 'terabyte', 'user', 'seat', 'minute', 'hour', 'day', 'month', 'each', 'license', 'activeUser', 'megabyte', 'message', 'text', 'platform', 'employee', 'personnel', 'credit', 'currency', 'package', 'case', 'word', 'record'. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.conversion` | decimal | no | The multiplier that converts unitOfMeasure quantities into billableUnitOfMeasure quantities. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.invoiceFrequency` | string | no | How often usage on this entry is invoiced. Possible values: 'monthly', 'biMonthly', 'quarterly', 'semiAnnually', 'annually', 'once', 'custom', 'template', 'milestone', 'allAtOnce', 'termEnd'. |
| `pricingHeaders[].priceBookEntries[].rateCardEntry.priceModel` | string | no | How the rate-card entry's price is calculated. Possible values: 'flat', 'perUnit', 'tiered', 'volume', 'stairstep', 'rateCard', 'thresholdBased'. Absent when no price model was set on the rate-card entry. |
| `externalIdentifiers` | array<object> | no | External identifiers owned by other systems, at most one per fieldName. Absent when the product line has none. |
| `externalIdentifiers[].fieldName` | string | yes | The configured field name of the external identifier, not its display label. |
| `externalIdentifiers[].value` | string | yes | The identifier's value in the source system. |
| `externalIdentifiers[].externalUrl` | string | no | An absolute http or https link to the object in the source system. Absent when none is set. |

```json
{
  "data": {
    "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "productId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "productName": "<productName>",
    "productLineNumber": "<productLineNumber>",
    "name": "<name>",
    "lineType": "<lineType>",
    "priceModel": "<priceModel>",
    "pricingTerm": "<pricingTerm>",
    "invoiceFrequency": "<invoiceFrequency>",
    "unitOfMeasure": "<unitOfMeasure>",
    "taxMode": "<taxMode>",
    "enforceListPrice": true,
    "hasUsage": true,
    "hasBeenUsed": true,
    "commitInvoicing": "<commitInvoicing>",
    "prepaidBalanceOverConsumptionBehavior": "<prepaidBalanceOverConsumptionBehavior>",
    "prepaidBalanceRolloverAtRenewal": true,
    "parentProductLineId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "crmProductId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "dataSource": "<dataSource>",
    "createdDate": "2026-01-15T09:30:00.000Z",
    "lastModifiedDate": "2026-01-15T09:30:00.000Z",
    "productLineTaxes": [
      {
        "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
        "taxCode": "<taxCode>",
        "engine": "<engine>",
        "country": "<country>",
        "entityId": "3fa85f64-5717-4562-b3fc-2c963f66afa6"
      }
    ],
    "pricingHeaders": [
      {
        "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
        "headerNumber": "<headerNumber>",
        "priceBookId": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
        "priceBookName": "<priceBookName>",
        "currency": "<currency>",
        "validFrom": "2026-01-15",
        "validTo": "2026-01-15",
        "priceBookEntries": [
          {
            "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
            "priceBookEntryNumber": "<priceBookEntryNumber>",
            "listPrice": "19.99",
            "fromQuantity": "19.99",
            "toQuantity": "19.99",
            "priceModel": "<priceModel>",
            "rateCardEntry": {
              "id": null,
              "billableComponentId": null,
              "unitOfMeasure": null,
              "description": null,
              "usageType": null,
              "billableUnitOfMeasure": null,
              "conversion": null,
              "invoiceFrequency": null,
              "priceModel": null
            }
          }
        ]
      }
    ],
    "externalIdentifiers": [
      {
        "fieldName": "<fieldName>",
        "value": "<value>",
        "externalUrl": "<externalUrl>"
      }
    ]
  },
  "diagnostics": [
    {
      "code": "<code>",
      "message": "<message>",
      "severity": "error",
      "path": [
        "<path>"
      ],
      "details": "<details>"
    }
  ]
}
```

## Errors

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

## Statuses

- `400` — Invalid request or business failure. Codes: INVALID_ID, NOT_FOUND
- `401` — The request carries no valid access token.
- `403` — Not authorized
- `404` — Not found
- `429` — Too many requests from this client address. The response has no body and no `Retry-After` header.
- `500` — Internal server error