> ## Documentation Index
> Fetch the complete documentation index at: https://docs.plungeai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ping

> Check the connection; the result is an empty object.


A liveness check. Support: **supported**.

## Params

None: send `"params": {}` or leave `params` out.

## Result

| Field | Value |
|---|---|
| `result` | `{}` |

## Example

```bash Request
curl -s https://mcp.plungeai.com/v1 \
  -H "Authorization: Bearer $PLUNGE_API_KEY" \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":9,"method":"ping"}'
```

```json Response
{"jsonrpc":"2.0","id":9,"result":{}}
```

## Errors

Protocol errors mean the request never reached a tool; the body is `{"jsonrpc":"2.0","error":{"code":…,"message":"…"},"id":…}`.

| HTTP | Code | When |
|---|---|---|
| 401 | `-32001` | No key, or a wrong, revoked or expired key, or a bearer that does not start with `ozk_` |

The full table is on the [MCP Reference overview](/mcp-reference/overview#errors).