# POST /api/v1/fixed-assets

> Create fixed asset

- **Tag:** fixed-assets
- **Operation ID:** `create_fixed_asset_api_v1_fixed_assets_post`

## Description

Create a new fixed asset.

**Request Body:**
- `name`: Asset name, 1-255 chars (required)
- `purchase_date`: Purchase date in YYYY-MM-DD format (required)
- `original_cost`: Original cost in cents, must be >= 0 (required)
- `description`: Asset description (optional)
- `asset_number`: Asset number, max 50 chars (optional)
- `serial_number`: Serial number, max 100 chars (optional)
- `salvage_value`: Salvage value in cents, must be >= 0 and < original_cost (optional, defaults to 0)
- `useful_life_months`: Useful life in months, 1-600 (optional, defaults to 60)
- `depreciation_method`: Depreciation method - straight_line, declining_balance, double_declining, units_of_production (optional, defaults to 'straight_line')
- `location`: Asset location, max 255 chars (optional)
- `notes`: Additional notes (optional)
- `category_id`: Asset category UUID (optional)
- `vendor_id`: Vendor UUID (optional)
- `in_service_date`: Date asset was placed in service, YYYY-MM-DD format (optional)
- `total_expected_units`: Total expected units for units_of_production method, must be >= 1 (optional)

## Authentication

Bearer token in `Authorization` header.
Required header: `x-business-id: <business uuid>`.

## Request body

Schema: `FixedAssetCreate`

- `name` (string · required) — Asset name
- `description` (string) — Asset description
- `asset_number` (string) — User-defined asset tracking number
- `serial_number` (string) — Manufacturer serial number
- `purchase_date` (string · date · required) — Date the asset was purchased
- `original_cost` (integer · required) — Purchase cost in cents
- `salvage_value` (integer) — Estimated salvage value in cents
- `useful_life_months` (integer) — Expected useful life in months
- `depreciation_method` (DepreciationMethod) → `DepreciationMethod` — Depreciation calculation method
- `location` (string) — Physical location of the asset
- `notes` (string) — Additional notes
- `category_id` (string) — Asset category ID
- `vendor_id` (string) — Vendor the asset was purchased from
- `in_service_date` (string · date) — Date the asset was placed in service (starts depreciation)
- `total_expected_units` (integer) — Total expected units for units-of-production depreciation

## Responses

### 201 — Successful Response

Schema: `FixedAssetResponse`

- `name` (string · required) — Asset name
- `description` (string) — Asset description
- `asset_number` (string) — User-defined asset tracking number
- `serial_number` (string) — Manufacturer serial number
- `purchase_date` (string · date · required) — Date the asset was purchased
- `original_cost` (integer · required) — Purchase cost in cents
- `salvage_value` (integer) — Estimated salvage value in cents
- `useful_life_months` (integer) — Expected useful life in months
- `depreciation_method` (DepreciationMethod) → `DepreciationMethod` — Depreciation calculation method
- `location` (string) — Physical location of the asset
- `notes` (string) — Additional notes
- `id` (string · required) — Asset ID
- `category_id` (string) — Asset category ID
- `category_name` (string) — Asset category name
- `vendor_id` (string) — Vendor ID
- `in_service_date` (string · date) — Date placed in service
- `total_expected_units` (integer) — Total expected units (units-of-production method)
- `units_used_to_date` (integer) — Cumulative units used to date
- `status` (AssetStatus · required) → `AssetStatus` — Asset lifecycle status: draft, active, fully_depreciated, disposed
- `disposal_date` (string · date) — Date the asset was disposed
- `disposal_amount` (integer) — Sale/trade proceeds in cents
- `disposal_method` (DisposalMethod) — How the asset was disposed
- `depreciable_amount` (integer · required) — Cost minus salvage value, in cents
- `accumulated_depreciation` (integer · required) — Total depreciation taken to date, in cents
- `book_value` (integer · required) — Current book value (cost - accumulated depreciation), in cents
- `monthly_depreciation_amount` (integer · required) — Monthly depreciation amount, in cents
- `remaining_life_months` (integer · required) — Remaining useful life in months
- `created_at` (string · date-time · required) — Record creation timestamp
- `updated_at` (string · date-time · required) — Last update timestamp

### 422 — Validation Error

Schema: `HTTPValidationError`

- `detail` (array · ValidationError) → `ValidationError`
  - `loc` (array · string | integer · required)
  - `msg` (string · required)
  - `type` (string · required)
  - `input` (object)
  - `ctx` (object)

## Code samples

### cURL

```bash
curl -X POST 'https://api.ondayzero.com/api/v1/fixed-assets' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "string",
  "purchase_date": "2026-01-01",
  "original_cost": 0
}'
```

### JavaScript

```javascript
const response = await fetch('https://api.ondayzero.com/api/v1/fixed-assets', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer dz_your_token',
    'x-business-id': 'YOUR_BUSINESS_ID',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "name": "string",
  "purchase_date": "2026-01-01",
  "original_cost": 0
}),
});
const data = await response.json();
```

### Python

```python
import httpx

headers = {
    "Authorization": "Bearer dz_your_token",
    "x-business-id": "YOUR_BUSINESS_ID",
}

payload = {
  "name": "string",
  "purchase_date": "2026-01-01",
  "original_cost": 0
}

response = httpx.post("https://api.ondayzero.com/api/v1/fixed-assets", headers=headers, json=payload)
data = response.json()
```

## See also

- HTML version: https://www.ondayzero.com/docs/reference/fixed-assets/create-fixed-asset
- OpenAPI slice: https://www.ondayzero.com/docs/reference/fixed-assets/create-fixed-asset/openapi.json
- Other endpoints in **fixed-assets**: https://www.ondayzero.com/docs/reference/fixed-assets