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POST
/
evm
web3_clientVersion
curl --request POST \
  --url https://hyperliquid-mainnet.core.chainstack.com/4f8d8f4040bdacd1577bff8058438274/evm \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "web3_clientVersion",
  "params": [],
  "id": 1
}
'
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "HyperEVM/v1.0.0"
}
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 for the full availability breakdown.
Returns the current client version for the Hyperliquid EVM. Use this to identify the client implementation and version.
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​
Parameters

This method takes no parameters.

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Returns

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

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cURL example

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: 
{"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

Body

application/json
​
jsonrpc
enum<string>
default:2.0
required

JSON-RPC version

Available options:
2.0
​
method
enum<string>
default:web3_clientVersion
required

The RPC method name

Available options:
web3_clientVersion
​
id
integer
default:1
required

Request identifier

​
params
array

Parameters for the method (empty array for web3_clientVersion)

Response

200 - application/json

Successful response with client version information

​
jsonrpc
string

JSON-RPC version

​
id
integer

Request identifier

​
result
string

The client version string

Last modified on May 18, 2026