system_chain - Asset Hub RPC Method

curl https://api-asset-hub-polkadot.n.dwellir.com/<YOUR_API_KEY>/YOUR_API_KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "system_chain",
    "params": [],
    "id": 1
  }'

import { ApiPromise, WsProvider } from '@polkadot/api';

const provider = new WsProvider('wss://api-asset-hub-polkadot.n.dwellir.com/YOUR_API_KEY');
const api = await ApiPromise.create({ provider });

const chain = await api.rpc.system.chain();
console.log('Chain:', chain.toString());

await api.disconnect();