web3_clientVersion - Somnia

Example code for the web3_clientVersion JSON-RPC method. Complete guide on how to use web3_clientVersion JSON-RPC in GetBlock Web3 documentation

This method returns the current client version of the Somnia node. This is useful for debugging, compatibility checks, and verifying the node implementation.

Parameters

None

Request Example

curl

curl -X POST https://go.getblock.io/<ACCESS-TOKEN>/ \
-H "Content-Type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "method": "web3_clientVersion",
  "params": []
}'

request.js

const axios = require('axios');

const url = 'https://go.getblock.io/<ACCESS-TOKEN>/';

const payload = {
  jsonrpc: '2.0',
  id: 'getblock.io',
  method: 'web3_clientVersion',
  params: []
};

axios.post(url, payload, {
  headers: { 'Content-Type': 'application/json' }
})
.then(response => console.log(response.data))
.catch(error => console.error(error));

request.py

import requests
import json

url = "https://go.getblock.io/<ACCESS-TOKEN>/"

payload = {
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "method": "web3_clientVersion",
    "params": []
}

response = requests.post(url, headers={"Content-Type": "application/json"}, json=payload)
print(response.json())

main.rs

use reqwest::Client;
use serde_json::json;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let client = Client::new();
    
    let payload = json!({
        "jsonrpc": "2.0",
        "id": "getblock.io",
        "method": "web3_clientVersion",
        "params": []
    });

    let response = client
        .post("https://go.getblock.io/<ACCESS-TOKEN>/")
        .header("Content-Type", "application/json")
        .json(&payload)
        .send()
        .await?;

    let result: serde_json::Value = response.json().await?;
    println!("{:#?}", result);
    
    Ok(())
}

Response Example

{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "result": "Somnia/v1.0.0/linux-amd64"
}

Response Parameters

Parameter

Type

Description

result

string

Client name, version, and platform

Use Cases

Verify node version
Debug compatibility issues
Monitor node deployments
Check for required features

Error Handling

Error Code

Description

-32603

Internal error - node processing issues

SDK Integration

ethers.js

const { ethers } = require('ethers');

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

const version = await provider.send('web3_clientVersion', []);
console.log(version);

viem.js

import { createPublicClient, http } from 'viem';

const client = createPublicClient({
  transport: http('https://go.getblock.io/<ACCESS-TOKEN>/')
});

const version = await client.request({
  method: 'web3_clientVersion',
  params: []
});
console.log(version);

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