---
title: "Update Cost Allocation"
method: PUT
path: "/coa/api/cost-allocations/{id}"
tags: ["Company Objects"]
---

# Update Cost Allocation

`PUT /coa/api/cost-allocations/{id}`

## Path parameters

- `id` integer, required

## Request body

- CostAllocation
  - `id` integer, required
  - `lines` CostAllocationLine[], required
    - `id` integer, required
    - `allocation` integer
    - `account_name` string, nullable, required — Combines account number and name in the format "number - name"
    - `department_name` string, required
    - `tags` object[], required
    - `percentage` number, double
    - `tag_ids` integer[]
    - `tag_group_ids` integer[]
    - `created_at` string, date-time, required
    - `last_modified_at` string, date-time, required
    - `customer` integer, required
    - `account` integer, required
    - `department` integer, nullable
  - `line_count` integer, required
  - `is_deleted` boolean, required
  - `deleted_at` string, date-time, nullable, required
  - `name` string, required
  - `number` string, nullable
  - `created_at` string, date-time, required
  - `last_modified_at` string, date-time, required
  - `customer` integer, required
  - `account` integer, nullable

## Response `200`

- CostAllocation
  - `id` integer, required
  - `lines` CostAllocationLine[], required
    - `id` integer, required
    - `allocation` integer
    - `account_name` string, nullable, required — Combines account number and name in the format "number - name"
    - `department_name` string, required
    - `tags` object[], required
    - `percentage` number, double
    - `tag_ids` integer[]
    - `tag_group_ids` integer[]
    - `created_at` string, date-time, required
    - `last_modified_at` string, date-time, required
    - `customer` integer, required
    - `account` integer, required
    - `department` integer, nullable
  - `line_count` integer, required
  - `is_deleted` boolean, required
  - `deleted_at` string, date-time, nullable, required
  - `name` string, required
  - `number` string, nullable
  - `created_at` string, date-time, required
  - `last_modified_at` string, date-time, required
  - `customer` integer, required
  - `account` integer, nullable

---

[API](https://skmtc.net/campfire/apis/campfire-developer-apis.md) · [All operations](https://skmtc.net/campfire/apis/campfire-developer-apis/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/campfire/campfire-developer-apis/versions/6945ebc3180e/schema)