# `GET /article/{sku}/supplier`

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

List article suppliers

Fetches all suppliers linked to the specified article SKU.

## Path parameters

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

## Response `200`

List of suppliers linked to the article

```json
{
  "suppliers": [
    {
      "id": 1,
      "articleId": 1,
      "entityId": 1,
      "supplierName": "…",
      "sku": "…",
      "pu": 1,
      "stock": 1,
      "sort": 1,
      "priceId": 1,
      "price": {
        "net": 1,
        "taxId": 1,
        "taxRate": 1
      },
      "incoming": [
        {
          "date": "2026-08-10T00:00:00.000Z",
          "amount": 1
        }
      ]
    }
  ]
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | No company selected or invalid sku — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Article or company not found — `{"error":"…"}` |

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