ETH Balance

Ethereum "Hello World": Get the ETH balance of any Ethereum address in ~25 lines of HTML + JS.

Try it out: shawntabrizi.com/ethbalance

How It Works

Enter an Ethereum address and click "Get Balance". Uses ethers.js to query a free public RPC endpoint — no API key or wallet needed.

Related Projects

• ERC-20 Token Balance — Query ERC-20 token balances
• ETH Balance Graph — Graph ETH balance history over time

License

MIT