{"slug":"quickbuild-quynguyenbac-workers-dev-api-base-wallet-88cf85","title":"Balances of one address on Base mainnet in a single call","host":"quickbuild.quynguyenbac.workers.dev","method":"GET","resource":"https://quickbuild.quynguyenbac.workers.dev/api/base/wallet","category":"market","description":"Balances of one address on Base mainnet in a single call: native ETH, the well-known tokens USDC, USDT, USDbC, DAI, WETH, cbETH, wstETH, AERO (non-zero only, or all with includeZero=true), plus up to 10 extra ERC-20 contracts you pass in `tokens` (symbol/name/decimals read on-chain). Also nonce, acc","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":27,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"Base address (0x + 40 hex). Optional: defaults to 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 (vitalik.eth).","type":"string"},"includeZero":{"description":"Also list well-known tokens with zero balance (default false).","type":"boolean"},"tokens":{"description":"Optional comma-separated extra ERC-20 contract addresses on Base (max 10).","type":"string"}},"required":[],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"accountType":{"enum":["eoa","eoa-eip7702","contract"],"type":"string"},"address":{"type":"string"},"blockNumber":{"type":"integer"},"eth":{"properties":{"balance":{"type":"string"},"usd":{"type":["number","null"]},"wei":{"type":"string"}},"type":"object"},"isContract":{"type":"boolean"},"nonce":{"type":"integer"},"tokens":{"items":{"properties":{"address":{"type":"string"},"balance":{"type":["string","null"]},"decimals":{"type":["integer","null"]},"raw":{"type":"string"},"symbol":{"type":["string","null"]},"usd":{"type":["number","null"]}},"type":"object"},"type":"array"},"totalUsd":{"type":"number"}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":27,"error":null}],"description_full":"Balances of one address on Base mainnet in a single call: native ETH, the well-known tokens USDC, USDT, USDbC, DAI, WETH, cbETH, wstETH, AERO (non-zero only, or all with includeZero=true), plus up to 10 extra ERC-20 contracts you pass in `tokens` (symbol/name/decimals read on-chain). Also nonce, account type (EOA, EIP-7702 delegated EOA, or contract) and a USD total for ETH/WETH (Chainlink) and stablecoins. Read live from public Base RPC via Multicall3; cached 10 s. All params optional:...","last_updated":"2026-10-21T13:36:00.05Z","schemes":["exact"]}