Live Base mainnet USDC and ETH balance for one address, read with eth_call at the latest block; returns decimal and raw values plus the block number. Use it to check a wallet can cover a payment or that funds arrived before acting. Simpler than running an RPC client and decoding ERC-20 calls yourself, and the block number makes each reading reproducible. Query: ?address=0x...
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0x427F...641c |