# `PATCH /number/{id}`

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

Update number sequence

Updates sequence settings for the selected company. Only provided fields
are changed (`prefix`, `padding`, `next`). `prefix` is trimmed and must
be at most 50 characters. `padding` must be an integer `>= 0`. `next`
must be an integer `>= 1`. If no field is provided, the row is returned
unchanged.


## Path parameters

| Param | Required | Type | Description |
|-------|----------|------|-------------|
| `id` | yes | integer |  |

## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `prefix` | no | string |  |
| `padding` | no | integer |  |
| `next` | no | integer |  |

```json
{
  "prefix": "A-",
  "padding": 4,
  "next": 100
}
```

## Response `200`

Updated number sequence

```json
{
  "number": {
    "id": 1,
    "type": "…",
    "prefix": "…",
    "padding": 1,
    "next": 1
  }
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid number, invalid id, or no company selected — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Number sequence or company not found — `{"error":"…"}` |

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