# Health check

The health-check endpoint returns the plain-text response `OK` when the public API worker is available. It confirms reachability, not the health of every downstream dependency.

**Authentication:** none. The health check is the only API endpoint that does not need an API key.

## Endpoints

| Endpoint | Description |
| --- | --- |
| [`GET /health-check`](#health-check) | Check whether the public API worker is responding |

## Endpoint details

### Health Check

Check whether the public API worker is responding

**Endpoint:** `GET https://api.calmlens.com/v1/health-check`

**Authentication:** None

#### Example request

```bash
curl -X GET "https://api.calmlens.com/v1/health-check"
```

#### Response

```json
{
  "type": "string",
  "const": "OK"
}
```