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system_chainType - JSON-RPC Method

cURL​

curl -X POST https://api-moonbase-alpha.n.dwellir.com/YOUR_API_KEY \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"system_chainType","params":[]}'

JavaScript (polkadot.js)​

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

const api = await ApiPromise.create({ provider: new WsProvider('wss://api-moonbase-alpha.n.dwellir.com/YOUR_API_KEY') });
console.log((await api.rpc.system.chainType()).toString());