# Update User Max Devices

Update the maximum number of devices a user can register (admin only).

**Endpoint**: `PUT /api/auth/users/:id/max-devices`
**Auth**: Required (Admin only)
**Content-Type**: `application/json`

## Path Parameters

| Parameter | Type          | Required | Description |
| --------- | ------------- | -------- | ----------- |
| id        | string (UUID) | Yes      | User UUID   |

## Request Body

| Field       | Type    | Required | Description                       |
| ----------- | ------- | -------- | --------------------------------- |
| max_devices | integer | Yes      | Maximum number of devices (1-100) |

### Example Request

```json
{
  "max_devices": 15
}
```

## Response (200 OK)

```json
{
  "id": "uuid",
  "email": "user@example.com",
  "username": "johndoe",
  "max_devices": 15,
  "active_devices": 3,
  "updated_at": "2026-02-08T11:00:00Z"
}
```

## Error Responses

| Code | Description                               |
| ---- | ----------------------------------------- |
| 400  | Invalid max_devices value (must be 1-100) |
| 401  | Invalid or expired token                  |
| 403  | User does not have admin privileges       |
| 404  | User not found                            |
