# `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
`taxrate` (rate). `pu` defaults to `1`; `rebate` defaults to `0`.


## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `externalNumber` | yes | string | User-supplied reference number |
| `date` | yes | string |  |
| `supplierId` | yes | integer |  |
| `lines` | yes | DeliveryLineInput[] |  |
| `files` | no | DeliveryFileInput[] | Attached documents (pdf or txt) stored with the delivery and returned in `files` on every delivery response. Thumbnails (AVIF) are generated server-side. |

```json
{
  "externalNumber": "DHL-123",
  "date": "2026-08-10",
  "supplierId": 1,
  "lines": [
    {
      "sku": "1",
      "name": "Sample Article",
      "pu": 1,
      "amount": 10,
      "net": 99.5,
      "taxrate": 19
    }
  ],
  "files": [
    {
      "mimetype": "application/pdf",
      "name": "delivery-note.pdf",
      "content": "<base64 encoded content>"
    }
  ]
}
```

## Body (`multipart/form-data`)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `data` | yes | string | JSON string containing manifest header and line items ({ externalNumber, date, supplierId, lines, filesMeta? }).
 |
| `files` | no | file | Raw binary PDF or text files attached natively via standard HTTP multipart upload. |

## Response `201`

Created delivery

```json
{
  "delivery": {
    "id": 1,
    "number": "…",
    "type": "delivery",
    "supplierId": 1,
    "externalNumber": "…",
    "date": "2026-08-10T00:00:00.000Z",
    "createdAt": "2026-08-10T00:00:00.000Z",
    "ledger": {
      "totalPositions": 1,
      "completelyOnLedgerPositions": 1
    },
    "lines": [
      {
        "id": 1,
        "sku": "…",
        "name": "…",
        "pu": 1,
        "amount": 1,
        "net": 1,
        "rebate": 1,
        "taxrate": 1,
        "comment": "…"
      }
    ],
    "files": [
      {
        "id": 1,
        "manifestId": 1,
        "fileId": 1,
        "sort": 1,
        "hash": "…",
        "mimetype": "…",
        "name": "…",
        "size": 1,
        "created": "2026-08-10T00:00:00.000Z",
        "modified": "2026-08-10T00:00:00.000Z",
        "skeledash": "…",
        "thumbx": 1,
        "thumby": 1,
        "meta": {}
      }
    ]
  }
}
```

## Errors

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

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