{"uid":"cap_S2IPIrI_X_kIJRtL6G-ZM","slug":"lumen-evm-address-lookup-f4bae9ae","name":"Lumen EVM Address Lookup","description":"Look up an EVM address or ENS name on Ethereum + Base: ENS forward/reverse + text records, EOA vs contract (EIP-7702 delegation flag), native balance, tx count, USDC/USDT balances, and ERC-20 name/sy…","url":"https://lumenworks-x402-decoder.onrender.com/v1/evm/address?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"at":"2026-10-10T12:48:30.232Z","ens":"vitalik.eth","chains":{"base":{"txCount":70,"codeSize":23,"isContract":true,"stablecoins":{"USDC":"44.783666"},"nativeBalance":"3.12882180347263728","eip7702Delegated":true},"ethereum":{"txCount":5969,"codeSize":23,"isContract":true,"stablecoins":{"USDC":"37.192124","USDT":"291.368219"},"nativeBalance":"5.768184715803065014","eip7702Delegated":true}},"source":"public RPC (publicnode.com)","address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","ensRecords":{"url":"https://vitalik.ca","avatar":"https://euc.li/vitalik.eth","com.github":"vbuterin","com.twitter":"VitalikButerin","description":"mi pinxe lo crino tcati"}}},"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_nElNoJih785xHhx1SYoNa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Look up an EVM address or ENS name on Ethereum and Base: resolves ENS forward/reverse/text records, detects EOA vs contract (EIP-7702), returns native ETH balance, tx count, USDC/USDT balances","exampleAgentPrompt":"Can you look up vitalik.eth and tell me its ETH and USDC balances on both Ethereum and Base, whether it's a contract or regular wallet, and any ENS profile info like Twitter handle or website?","exampleUseCases":[{"title":"Wallet due diligence before sending funds","prompt":"Before I send money to 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045, can you check its ENS name, ETH balance, stablecoin holdings, and whether it's a smart contract or a regular wallet on Ethereum?"},{"title":"ENS profile enrichment for a dapp","prompt":"I have the ENS name rainbow.eth — can you fetch its resolved address, avatar, Twitter handle, website URL, and any other text records it has set?"},{"title":"Cross-chain balance check on Base","prompt":"What's the USDC balance and transaction count for 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base, and is it an EIP-7702 delegated account?"}],"resultDescription":"Returns a JSON object with: resolved address, ENS name, timestamp, data source, and per-chain data for Ethereum and Base including native ETH balance, USDC/USDT stablecoin balances, transaction count, code size, contract flag, EIP-7702 delegation flag, and ENS text records (avatar, URL, Twitter, GitHub, description).","failureModes":["Invalid or non-existent ENS name returns null for ENS fields","Address with no on-chain activity returns zero balances and tx count","RPC node unavailability may cause timeout or 503 error","Malformed address input returns a 400 validation error","ENS name not registered returns no resolution"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-chain snapshot of any EVM address or ENS name in a single call — combining identity (ENS resolution + text records), asset balances (ETH + USDC/USDT), and account type classification (EOA vs contract, EIP-7702) across both Ethereum mainnet and Base. Prefer it over block explorer APIs when you need structured JSON output ready for agent consumption without manual scraping.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:37:36.113Z","isFirstParty":false,"canonicalSlug":"lumen-evm-address-lookup-f4bae9ae"}