Web3

EVM balance, transfer, approve, contract, logs, and typed data.

Reads need no wallet. Writes require Connect wallet and use Privy sponsor: true.

Action	When to use
Get native balance	Check ETH/POL/USDC gas on a supported chain
Get ERC-20 balance	Token balances
Transfer native / ERC-20	Send from the linked wallet
Approve / Check allowance	ERC-20 spenders
Read / Write contract	Hex calldata eth_call or sponsored send
Get transaction / Query logs	Receipts and events
Sign typed data	EIP-712

Networks: Ethereum, Base, Arbitrum, Optimism, Polygon, Arc Testnet.