import { createHelius } from "helius-sdk";
const helius = createHelius({ apiKey: "YOUR_API_KEY" });
// Standard Solana RPC
const balance = await helius.getBalance("So11...").send();
// DAS — fetch an asset
const asset = await helius.getAsset({ id: "MINT_ADDRESS" });
// Smart transactions
const sig = await helius.tx.sendSmartTransaction({ signers, instructions });
Create a Helius SDK client.