# `POST /delivery`

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

Create delivery

Creates a goods receipt with header and lines in one transaction.
The manifest `number` is allocated automatically via
`nextNumber('delivery')`; the user-supplied reference is stored as
`externalNumber`. Each line requires `sku` or `name`, `amount`, `net`, and
`tax` (rate). `pu` defaults to `1`; `rebate` defaults to `0`.


## Body (JSON)

```json
{
  "externalNumber": "DHL-123",
  "date": "2026-08-10",
  "supplierId": 1,
  "lines": [
    {
      "sku": "1",
      "name": "Sample Article",
      "pu": 1,
      "amount": 10,
      "net": 99.5,
      "tax": 19
    }
  ]
}
```

## Response `201`

Created delivery

```json
{
  "delivery": {
    "id": 1,
    "number": "…",
    "type": "delivery",
    "supplierId": 1,
    "externalNumber": "…",
    "date": "2026-08-10T00:00:00.000Z",
    "lines": [
      {
        "id": 1,
        "sku": "…",
        "name": "…",
        "pu": 1,
        "amount": 1,
        "net": 1,
        "rebate": 1,
        "tax": 1,
        "comment": "…"
      }
    ]
  }
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid delivery, invalid lines, or no company selected — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Company, supplier, or article not found — `{"error":"…"}` |

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