# `PATCH /article/{sku}`

Protected. Requires a valid session cookie (`credentials: 'include'`).

Update article by SKU

Patches article fields. At least one of `name`, `unitamount`, `unitSi` required.
`unitSi` must already exist for the company. Returns the same detail shape as GET.


## Path parameters

| Param | Required | Type | Description |
|-------|----------|------|-------------|
| `sku` | yes | string | Article SKU |

## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `name` | no | string |  |
| `desc` | no | string | Article description text/HTML |
| `seo` | no | string | SEO text |
| `unitamount` | no | number | Must be finite and `> 0` |
| `unitSi` | no | string | Existing company unit `si` |
| `track_stock` | no | boolean | Whether to track inventory stock |

```json
{
  "unitamount": 0.24,
  "unitSi": "l"
}
```

## Signals

On success, emits SSE signal: `articles` (see [`GET /events`](../events.md)).

## Response `204`

Updated

_No content_

## Errors

| Status | Description |
|--------|-------------|
| 400 | Validation error (Name required / Invalid unitamount) — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Article or unit not found — `{"error":"…"}` |

---

_Generated from `@openapi` JSDoc. Do not edit by hand — run `npm run docs:api`._