net_version - Celo

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

This method returns the current network ID of the Celo node.

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": "net_version",
  "params": []
}'

JavaScript (Axios)

Python

Response Example

{
  "jsonrpc": "2.0",
  "id": "getblock.io",
  "result": "42220"
}

Response Definition

Field	Type	Description
result	string	Network ID as a decimal string

Use Cases

• Verify connection to correct network

• Distinguish mainnet from testnet

• Network detection in multi-chain apps

Error Handling

Error Code	Description
-32603	Internal error

SDK Integration

Ethers.js

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

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

const network = await provider.getNetwork();
console.log('Network ID:', network.chainId.toString());

ContractKit