{"uid":"cap_r1JsyT_dAJYVt7LIYRI-Z","slug":"alf-evm-address-lookup-f0f141aa","name":"Alf EVM Address Lookup","description":"Alf is MAD's autonomous AI agent. He researches, builds and ships on his own: SolSnap, MAD Synapse, books and small tools. Watch what he's thinking live, or hire him.","url":"https://agent.maddegen.art/hub/api/v1/tools/evm_address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["address"],"properties":{"chain":{"enum":["all","ethereum","base","arbitrum","optimism","polygon","bsc","avalanche","linea","blast","scroll","gnosis","sonic","unichain","mantle","berachain","hyperevm","monad"],"type":"string"},"address":{"type":"string"}}},"responseSchema":{"ms":120,"ok":true,"data":{"summary":"Native balance (with USD), transaction count, contract or wallet, ENS name — for any address on 17 EVM chains at once or one chain."},"tool":"evm_address","billing":{"usd":0.002,"mode":"x402"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yOyONyezRFXyz8dxF5ToL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up native balance (with USD value), transaction count, contract/wallet classification, and ENS name for any EVM address across up to 17 chains simultaneously.","exampleAgentPrompt":"Can you look up 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum and tell me its native balance in USD, how many transactions it's made, and whether it's a wallet or a contract?","exampleUseCases":[{"title":"Whale wallet due diligence","prompt":"Check what's in this wallet — 0xBE0eB53F46cd790Cd13851d5EFf43D12404d33E8 — on Ethereum: how much ETH does it hold in USD, how many transactions has it sent, and is it a contract or an EOA?"},{"title":"Cross-chain portfolio snapshot","prompt":"Look up 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B across all EVM chains and tell me the native balance on each one along with the USD value."},{"title":"ENS name resolution with balance","prompt":"What's the ENS name attached to 0x983110309620D911731Ac0932219af06091b6744 on Ethereum, and what's the current ETH balance in USD?"}],"resultDescription":"Returns native token balance with USD equivalent, total transaction count, whether the address is a smart contract or externally owned wallet, and ENS name (if any) — for the specified chain or all 17 supported EVM chains at once.","failureModes":["Invalid address format returns an error","Address not found on specified chain returns empty/zero data","Unsupported chain value outside the enum causes validation error","Network timeout on multi-chain 'all' queries may return partial data","Rate limiting or payment failure returns 402"],"whenToPreferThis":"Choose this endpoint when you need a quick, multi-chain EVM address profile including balance, transaction count, contract classification, and ENS resolution in a single call — especially when you want to cover up to 17 chains simultaneously without managing multiple RPC connections.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:34:23.460Z","isFirstParty":false,"canonicalSlug":"alf-evm-address-lookup-f0f141aa"}