---
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}`

## 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-super-api.md) · [All operations](https://skmtc.dev/fieldwire/apis/fieldwire-super-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/fieldwire/fieldwire-super-api/revisions/66ee1c20b92d/schema)