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

# web3_clientVersion

> Returns the current client version string.

Returns the version string of the node client software.

<Note>
  This method is not available on all public endpoints. It returns `-32601 Method not found` on the Sepolia public node (`sepolia.base.org`) but works on mainnet.
</Note>

## Parameters

No parameters.

## Returns

<ResponseField name="result" type="string">
  The client version string. Format: `<client>/<version>-<commit>/<platform>/base/<base-version>`. Do not rely on parsing this string as it changes with node software updates.
</ResponseField>

## Example

<CodeGroup>
  ```json Request theme={null}
  {
    "jsonrpc": "2.0",
    "method": "web3_clientVersion",
    "params": [],
    "id": 1
  }
  ```

  ```json Response theme={null}
  {
    "jsonrpc": "2.0",
    "id": 1,
    "result": "reth/v1.11.3-2ac58a2/x86_64-unknown-linux-gnu/base/v0.9.0"
  }
  ```
</CodeGroup>