---
title: "Update expense"
method: PATCH
path: "/v1/expenses/{expenseId}"
tags: ["v1 - Expenses"]
---

# Update expense

`PATCH /v1/expenses/{expenseId}`

## 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}`
- Auth: one of:
  - API key in header `Authorization`
  - HTTP bearer

Updates an existing expense

## Path parameters

- `expenseId` string, uuid, required

## Request body

- ExternalUpdateExpenseRequestV1Model
  - `originalCurrency` string, nullable
  - `performedDate` string, date, nullable

## Response `default`

default response

- ExternalExpenseV1Model
  - `id` string, uuid
  - `receiptDocumentKey` string
  - `originalCurrency` string
  - `billingCurrency` string
  - `status` 'CREATED' | 'IN_DRAFT' | 'SUBMITTED_FOR_REVIEW' | 'CANCELLED': ⚠️ This enum is not exhaustive; new values may be added in the future.
  - `userId` string, uuid
  - `companyId` string, uuid
  - `performedDate` string, date
  - `detailedDescription` string
  - `lineItems` 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
  - `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)