Look up the native coin balance (ETH/MATIC) plus every ERC-20 holding for a wallet address on Ethereum, Base, Polygon, Arbitrum, or Optimism. Returns clean decimal balances (already scaled by token decimals) plus symbol and contract — ready to display in a UI or feed into a portfolio tool.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.002000 USDC | 0xaBF4...a9D0 |