# ProcessHeartbeat


[API catalog](/reference/api/) · [Docker Sandboxes overview](/reference/api/sandboxes/latest/) · [Product manual](https://docs.docker.com/ai/sandboxes-api/) · [OpenAPI specification](/reference/api/sandboxes/api.yaml)

API version: v1


> This API is experimental. Features, interfaces,
> and behavior may change.




Schema constraints and annotations:

```json
{
  "additionalProperties": false,
  "description": "Heartbeat is an idle keepalive frame.",
  "title": "Heartbeat",
  "type": "object"
}
```