# `PUT /article/{sku}/weight`

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

Set article weight by SKU

Sets the article's `weight`. Must be finite and `>= 0`.
Returns the same shape as GET by SKU.


## Path parameters

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

## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `weight` | yes | number |  |

```json
{
  "weight": 1.5
}
```

## Signals

On success, emits SSE signal: `article-<sku>` (see [`GET /events`](../events.md)).

## Response `200`

Updated article detail

```json
{
  "article": {
    "id": 1,
    "sku": "…",
    "name": "…",
    "slug": "…",
    "track_stock": true,
    "unitamount": 1,
    "weight": 1,
    "unit": {},
    "brand": {},
    "categoryIds": [
      1
    ],
    "photos": [
      {}
    ],
    "eans": [
      "…"
    ],
    "prices": [
      {}
    ],
    "suppliers": [
      {}
    ]
  }
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid weight — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Article not found — `{"error":"…"}` |

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