# Local runner heartbeat

**POST** `/v1/private/local-runners/{runnerId}/heartbeats`

Refresh local runner heartbeat

Base URL: `https://www.comet.com/opik/api`

Tags: `Runners`

## Authorization

This operation requires no authorization.

## Path parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `runnerId` | `string` (uuid) | Yes | — |

## Request body

Optional. Media type: `application/json`

### Example request body

```json
{
  "capabilities": [
    "string"
  ]
}
```

## Responses

| Status | Description | Media type |
| --- | --- | --- |
| `200` | Heartbeat response | `application/json` |
| `404` | Not found | `application/json` |
| `410` | Gone | `application/json` |

### Example response: 200 — Heartbeat response

```json
{
  "cancelled_job_ids": [
    "00000000-0000-0000-0000-000000000000"
  ]
}
```

### Example response: 404 — Not found

```json
{
  "code": 0,
  "details": "string",
  "message": "string"
}
```

### Example response: 410 — Gone

```json
{
  "code": 0,
  "details": "string",
  "message": "string"
}
```

## Related pages

- [Activate a pairing session](./activatepairingsession.md)
- [Add blueprint to existing config](./updateagentconfig.md)
- [Add items to annotation queue](./additemstoannotationqueue.md)
- [Add span comment](./addspancomment.md)
- [Add span feedback score](./addspanfeedbackscore.md)
- [Add thread comment](./addthreadcomment.md)
- [Add trace comment](./addtracecomment.md)
- [Add trace feedback score](./addtracefeedbackscore.md)
- [Agent Configs](./tags/agent-configs.md)
- [Agent Insights](./tags/agent-insights.md)

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