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POST
web3_clientVersion
curl --request POST \
  --url https://tempo-mainnet.core.chainstack.com/c3ce2925b51f1ed18719fe8a23bbdccf/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "web3_clientVersion",
  "params": [],
  "id": 1
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": "<string>"
}

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.

Tempo API method that returns the current client version. Tempo is built on the Reth SDK.
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​
Parameters

  • none

​
Response

  • result — the current client version string

​
web3_clientVersion code examples

const Web3 = require("web3");
const NODE_URL = "CHAINSTACK_NODE_URL";
const web3 = new Web3(NODE_URL);

async function getClientVersion() {
  const version = await web3.eth.getNodeInfo();
  console.log(`Client version: ${version}`);
}

getClientVersion()

Body

application/json
​
jsonrpc
string
default:2.0
​
method
string
default:web3_clientVersion
​
params
any[]
​
id
integer
default:1

Response

200 - application/json

The client version

​
jsonrpc
string
​
id
integer
​
result
string

The Tempo client version string

Last modified on May 18, 2026