# Authentication

All requests use a Bearer token. One key works across every programmatic channel.

## Request headers

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `Authorization` | string | yes | Bearer sk-your-api-key — the key you generated in Settings → Communications. |

## Request - Header

```
Authorization: Bearer sk-your-api-key
```

## Request - cURL

```
curl https://sistava.com/api/v1/health \
  -H "Authorization: Bearer sk-your-api-key"
```

## Response

```json
{
  "status": "ok"
}
```

Concepts and walkthrough: https://sistava.com/en/guide/channels/api

API reference index: https://sistava.com/en/docs