---
title: "Updates an a line item of an invoice by ID"
method: PUT
path: "/invoices/{id}/line_items/{line_item_id}"
tags: ["Invoice/Line item"]
---

# Updates an a line item of an invoice by ID

`PUT /invoices/{id}/line_items/{line_item_id}`

This updates an existing Invoice's line item, all parameters overwrite existing params

## Path parameters

- `id` integer, required
- `line_item_id` integer, required

## Request body

- object
  - `id` integer
  - `line_discount_percent` number
  - `discount_dollars` string
  - `item` string
  - `name` string
  - `price` number
  - `cost` number
  - `taxable` boolean

## Response `200`

Invoice is already paid

## Other responses

- `404` — Invalid request

---

[API](https://skmtc.net/syncromsp/apis/syncro.md) · [All operations](https://skmtc.net/syncromsp/apis/syncro/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/syncromsp/syncro/versions/3df3aed287cc/schema)