# `POST /brand`

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

Create brand

Creates a brand for the selected company. Fails with `Brand already exists`
if the name is taken. Emits SSE signal `brand` with payload
`{ sender, brandId }` (`sender` echoes the caller's `x-client-id`).


## Body (JSON)

| Field | Required | Type | Description |
|-------|----------|------|-------------|
| `name` | yes | string |  |
| `gsprpinfo` | no | string |  |

```json
{
  "name": "Acme",
  "gsprpinfo": "Acme GmbH"
}
```

## Signals

On success, emits SSE signal: `brand` (see [`GET /events`](../events.md)).

## Response `201`

Created brand

```json
{
  "brand": {
    "id": 1,
    "name": "…",
    "gsprpinfo": "…",
    "pics": [
      {
        "fullHash": "…",
        "thumbW": 1,
        "thumbH": 1,
        "thumbHash": "…"
      }
    ]
  }
}
```

## Errors

| Status | Description |
|--------|-------------|
| 400 | Invalid brand or no company selected — `{"error":"…"}` |
| 401 | Unauthorized — `{"error":"…"}` |
| 403 | Not authorized — `{"error":"…"}` |
| 404 | Company not found — `{"error":"…"}` |
| 409 | Brand already exists — `{"error":"…"}` |

---

_Generated from `@openapi` JSDoc. Do not edit by hand — run `npm run docs:api`._