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

# JSON-RPC

The `kona-node` supports JSON-RPC for interacting with the node.

By default, `kona-node` exposes an HTTP JSON-RPC server. A WebSocket JSON-RPC
endpoint is also available and can be enabled with the `--rpc.ws-enabled` flag
or the `KONA_NODE_RPC_WS_ENABLED` environment variable. IPC transport is not
supported.

### Namespaces

JSON-RPC methods are grouped into namespaces, which are listed below:

| Namespace                              | Description                                              | Sensitive |
| -------------------------------------- | -------------------------------------------------------- | --------- |
| [`p2p`](/rust/kona/node/rpc/p2p)       | The `p2p` API allows you to configure the p2p stack.     | Maybe     |
| [`rollup`](/rust/kona/node/rpc/rollup) | The `rollup` API provides OP Stack specific rpc methods. | No        |
| [`admin`](/rust/kona/node/rpc/admin)   | The `admin` API allows you to configure your node.       | **Yes**   |

### Interacting with the RPC

Kona enables these RPC methods by default.

You can interact with the RPC using any JSON-RPC client, such as `curl`, `httpie`, or a custom client in your preferred programming language.