---
title: "Update an existing actual_cost by ID"
method: PATCH
path: "/api/v3/projects/{project_id}/budget_actual_costs/{id}"
tags: ["actual costs"]
---

# Update an existing actual_cost by ID

`PATCH /api/v3/projects/{project_id}/budget_actual_costs/{id}`

## Request

- Base URL: `https://client-api.us.fieldwire.com`
- URL: `https://client-api.us.fieldwire.com/api/v3/projects/{project_id}/budget_actual_costs/{id}`
- Auth: HTTP bearer

## Path parameters

- `project_id` string, uuid, required
- `id` string, uuid, required

## Headers

- `Fieldwire-Version` string, date, required

## Request body

- BudgetActualCostUpdateInput: Entity that represents input to update actual cost.
  - `value` string, required: The monetary amount of the actual cost
  - `name` string, required: Name or title of the actual cost
  - `last_editor_user_id` integer, required: ID of the user who most recently edited this entity
  - `device_updated_at` string, date-time, nullable: Time when the device last updated the entity

## Response `201`

Successful response

- BudgetActualCost: Entity that represents a actual cost in the budget table.
  - `id` string, uuid, required: ID of the actual cost
  - `creator_user_id` integer, required: ID of the user who created this entity
  - `last_editor_user_id` integer, required: ID of the user who most recently edited this entity
  - `project_id` string, uuid, required: ID of the project this entity belongs to
  - `budget_line_item_id` string, uuid, required: ID of the budget line item this actual cost is associated with
  - `value` string, required: The monetary amount of the actual cost
  - `name` string, required: Name or title of the actual cost
  - `origin` 'fieldwire' | 'quickbooks' | 'excel' | 'sage_intacct' | 'api_key', required: Source or origin of the actual cost
  - `device_created_at` string, date-time, required: Time when the device created the entity
  - `device_updated_at` string, date-time, required: Time when the device last updated the entity
  - `created_at` string, date, required: Time when the entity was created
  - `updated_at` string, date, required: Time when the entity was last updated
  - `deleted_at` string, date, nullable, required: Time when the entity was deleted

---

[API](https://skmtc.dev/fieldwire/apis/fieldwire-regional-api.md) - [All operations](https://skmtc.dev/fieldwire/apis/fieldwire-regional-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fieldwire/apis/fieldwire-regional-api/revisions/34b820438c0b?raw)