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

<AgentInstructions>

## Submitting Feedback

If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback:

POST https://docs.chainstack.com/feedback

```json
{
  "path": "/reference/hyperliquid-evm-web3-client-version",
  "feedback": "Description of the issue"
}
```

Only submit feedback when you have something specific and actionable to report.

</AgentInstructions>

# web3_clientVersion | Hyperliquid EVM

> Returns the current client version. This method provides information about the Ethereum client implementation and version running on the Hyperliquid EVM.

<Info>
  This method is available on Chainstack. Not all Hyperliquid methods are available on Chainstack, as the open-source node implementation does not support them yet — see [Hyperliquid methods](/docs/hyperliquid-methods) for the full availability breakdown.
</Info>

Returns the current client version for the Hyperliquid EVM. Use this to identify the client implementation and version.

<Check>
  **Get your own node endpoint today**

  [Start for free](https://console.chainstack.com/) and get your app to production levels immediately. No credit card required.

  You can sign up with your GitHub, X, Google, or Microsoft account.
</Check>

## Parameters

This method takes no parameters.

## Returns

Returns the client version as a string (e.g., "HyperEVM/v1.0.0").

## cURL example

```bash theme={"system"}
curl -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":1}' \
  https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm
```

Example response:

```json theme={"system"}
{"jsonrpc":"2.0","id":1,"result":"hyperliquid evm Mainnet"}
```

## Use cases

* **Client identification** — Identify the specific client implementation and version
* **Compatibility checking** — Verify compatibility with specific client features
* **Debug information** — Gather client information for troubleshooting
* **Development tools** — Build tools that adapt to different client implementations


## OpenAPI

````yaml /openapi/hyperliquid_node_api/evm_web3_client_version.json post /evm
openapi: 3.0.0
info:
  title: Hyperliquid EVM API - web3_clientVersion
  version: 1.0.0
servers:
  - url: >-
      https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274
security: []
paths:
  /evm:
    post:
      summary: web3_clientVersion
      description: >-
        Returns the current client version. This method provides information
        about the Ethereum client implementation and version running on the
        Hyperliquid EVM.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - jsonrpc
                - method
                - id
              properties:
                jsonrpc:
                  type: string
                  enum:
                    - '2.0'
                  default: '2.0'
                  description: JSON-RPC version
                method:
                  type: string
                  enum:
                    - web3_clientVersion
                  default: web3_clientVersion
                  description: The RPC method name
                params:
                  type: array
                  default: []
                  description: >-
                    Parameters for the method (empty array for
                    web3_clientVersion)
                id:
                  type: integer
                  default: 1
                  description: Request identifier
            example:
              jsonrpc: '2.0'
              method: web3_clientVersion
              params: []
              id: 1
      responses:
        '200':
          description: Successful response with client version information
          content:
            application/json:
              schema:
                type: object
                properties:
                  jsonrpc:
                    type: string
                    description: JSON-RPC version
                  id:
                    type: integer
                    description: Request identifier
                  result:
                    type: string
                    description: The client version string
              example:
                jsonrpc: '2.0'
                id: 1
                result: HyperEVM/v1.0.0

````