---
title: "Update line item"
method: PATCH
path: "/v1/expenses/{expenseId}/line-items/{lineItemId}"
tags: ["v1 - Expenses"]
---

# Update line item

`PATCH /v1/expenses/{expenseId}/line-items/{lineItemId}`

## Request

- Base URL: `https://light.inc` (the document declares no server; this is the origin it was published from)
- URL: `https://light.inc/v1/expenses/{expenseId}/line-items/{lineItemId}`
- Auth: one of:
  - API key in header `Authorization`
  - HTTP bearer

Updates an existing expense line item

## Path parameters

- `expenseId` string, uuid, required
- `lineItemId` string, uuid, required

## Request body

- UpdateExpenseLineItemRequestV1Model
  - `originalAmount` integer
  - `billingAmount` integer
  - `accountId` string, uuid
  - `costCenterId` string, uuid
  - `description` string
  - `reimbursementCategoryId` string, uuid

## Response `default`

default response

- ExternalExpenseLineItemV1Model
  - `id` string, uuid
  - `expenseId` string, uuid
  - `originalAmount` integer
  - `billingAmount` integer
  - `accountId` string, uuid
  - `costCenterId` string, uuid
  - `description` string
  - `reimbursementCategoryId` string, uuid
  - `createdAt` string, date-time
  - `updatedAt` string, date-time

---

[API](https://skmtc.dev/light/apis/light-api.md) - [All operations](https://skmtc.dev/light/apis/light-api/llms.txt) - [OpenAPI document](https://skmtc.dev/light/apis/light-api/revisions/84f51306f648?raw)