# Health API

### Path

```
/ext/health
```

### API Methods <a href="#api-methods" id="api-methods"></a>

#### health.getLiveness <a href="#healthgetliveness" id="healthgetliveness"></a>

Get health check on this node.

* `heartbeat` is the unix timestamp of the last time the network handled a message.
* `timestamp` is the timestamp of the last health check.
* `duration` is the execution duration of the last health check in milliseconds.
* `contiguousFailures` is the number of fails that occurred in a row.
* `timeOfFirstFailure` is the time of the initial transitional failure.

### **Example Call**

```
//Request
curl -X POST --data '{
    "jsonrpc":"2.0",
    "id"     :1,
    "method" :"health.getLiveness"
}' -H 'content-type:application/json;' https://ava-api.bwarelabs.com/<your-endpoint-id>/ext/health

//Response
{
    "jsonrpc": "2.0",
    "result": {
        "checks": {
            "chains.default.bootstrapped": {
                "timestamp": "2020-09-14T16:37:18.94094791Z",
                "duration": 17731,
                "contiguousFailures": 0,
                "timeOfFirstFailure": null
            },
            "network.validators.heartbeat": {
                "message": {
                    "heartbeat": 1600101438
                },
                "timestamp": "2020-09-14T16:37:18.939024201Z",
                "duration": 8527,
                "contiguousFailures": 0,
                "timeOfFirstFailure": null
            }
        },
        "healthy": true
    },
    "id": 1
}
```