---
title: getHealth
hideTableOfContents: true
h1: getHealth RPC Method
---

Returns the current health of the node. A healthy node is one that is within
`HEALTH_CHECK_SLOT_DISTANCE` slots of the latest cluster confirmed slot.

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### Parameters

**None**

### Result

If the node is healthy: "ok"

If the node is unhealthy, a JSON RPC error response is returned. The specifics
of the error response are **UNSTABLE** and may change in the future

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### Code sample

```shell
curl https://api.devnet.solana.com -s -X POST -H "Content-Type: application/json" -d '
  {"jsonrpc":"2.0","id":1, "method":"getHealth"}
'
```

### Response

Healthy Result:

```json
{ "jsonrpc": "2.0", "result": "ok", "id": 1 }
```

Unhealthy Result (generic):

```json
{
  "jsonrpc": "2.0",
  "error": {
    "code": -32005,
    "message": "Node is unhealthy",
    "data": {}
  },
  "id": 1
}
```

Unhealthy Result (if additional information is available)

```json
{
  "jsonrpc": "2.0",
  "error": {
    "code": -32005,
    "message": "Node is behind by 42 slots",
    "data": {
      "numSlotsBehind": 42
    }
  },
  "id": 1
}
```

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