{"uid":"cap_-tGnU-NjryJXQL6ikTx9l","slug":"ethereum-onchain-data-wallet-profile-7ad91fde","name":"Ethereum Onchain Data – Wallet Profile","description":"Who is this Ethereum address? Wallet age (first transfer), first funder, contract or EOA, ETH balance and nonce, the latest transfers in and out (native, ERC-20, NFTs), top counterparties by count, and recent large transfers in USD (ETH, WETH, USDC, USDT), from Alchemy's transfer index.","url":"https://onchaincheck.dev/eth/wallet-profile?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"Wallet or contract address on Ethereum"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"age":{"ageDays":4042.9,"firstDirection":"in","firstActivityAt":"2015-09-28T08:24:43.000Z","firstActivityTx":"0x9b629147b75dc0b275d478fa34d97c5d4a26926457540b15a5ce871df36c23fd","firstActivityBlock":302086},"chain":"eth","notes":"From Alchemy's transfer index: ETH (including internal), ERC-20, ERC-721 and ERC-1155 transfers, zero-value ones excluded. Activity, counterparties and large transfers cover the newest 100 transfers i… (240 chars, truncated in this example)","account":{"kind":"wallet (EOA) with EIP-7702 delegation","nonce":5969,"isContract":false,"delegatesTo":"0x5A7FC11397E9a8AD41BF10bf13F22B0a63f96f6d","nativeBalance":"5.773252986299759339","nativeBalanceUsd":13856.349},"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","activity":{"newestAt":"2026-10-22T22:08:47.000Z","byCategory":{"erc20":167,"erc721":7,"erc1155":2,"external":21,"internal":3},"moreHistory":true,"inboundScanned":100,"oldestScannedAt":"2026-07-16T09:03:47.000Z","outboundScanned":100,"transfersScanned":200},"nativeUsd":{"price":2400.09,"source":"Chainlink ETH/USD","symbol":"ETH","updatedAt":"2026-10-23T05:33:59.000Z"},"firstFunder":{"at":"2015-09-28T08:24:43.000Z","tx":"0x9b629147b75dc0b275d478fa34d97c5d4a26926457540b15a5ce871df36c23fd","asset":"ETH","amount":0.25,"address":"0x1Db3439a222C519ab44bb1144fC28167b4Fa6EE6"},"largeTransfers":[{"at":"2026-09-26T05:13:47.000Z","usd":2400.0939,"hash":"0x43273aba0b69d02e177b1b9372d219a1256e61e6be329a489f2b16274bad55a7","asset":"ETH","block":26059466,"token":null,"amount":1,"category":"external","direction":"out","counterparty":"0xE731dFadBFf20542E10D09D26Fc71445C70d4232"}],"recentTransfers":[{"at":"2026-10-22T22:08:47.000Z","usd":null,"hash":"0x84dedfb103bde6514e86f63a61b4f61d00e223eb1c9fffcb540e534b0f352915","asset":null,"block":26251047,"token":"0x50a76D644ccD4B3E2cA0169Fe52F0eD0292CeE58","amount":null,"category":"erc1155","direction":"in","counterparty":"0x17628F8F3d65e36f3f505795dF2D3bed7C26E5C0"},{"at":"2026-10-22T14:10:59.000Z","usd":null,"hash":"0xe14d795ebfe2835e584837fcda4509dc27e223111c5955e9748144a999d8175c","asset":"ZC","block":26248667,"token":"0xe41025A68D37a98ad672431908485Eb2f885A553","amount":10000000,"category":"erc20","direction":"in","counterparty":"0x0000000000000000000000000000000000000000"},{"at":"2026-10-22T07:14:47.000Z","usd":null,"hash":"0x4046bbc92e51e8b11c3dff049ddfba1dbae41153b2b57d44c8578b5b6c5ba12e","asset":null,"block":26246595,"token":"0x53EDeacdA5167731d830F6e9FC17d365F5070060","amount":null,"tokenId":"1617","category":"erc721","direction":"in","counterparty":"0x81f9C853d7CC894F7EF742F62a265a5e9aeeB727"},{"at":"2026-10-22T07:14:11.000Z","usd":null,"hash":"0x395bfb51000b790fd1aee8da5197203499aee3dea557ee96cb8dd2084120f964","asset":null,"block":26246592,"token":"0x53EDeacdA5167731d830F6e9FC17d365F5070060","amount":null,"tokenId":"1598","category":"erc721","direction":"in","counterparty":"0x81f9C853d7CC894F7EF742F62a265a5e9aeeB727"},{"at":"2026-10-22T07:13:47.000Z","usd":null,"hash":"0xdac2be32fec346dea79dc0e855c875656d09475848276790f474a8929a31df4e","asset":null,"block":26246590,"token":"0x53EDeacdA5167731d830F6e9FC17d365F5070060","amount":null,"tokenId":"1594","category":"erc721","direction":"in","counterparty":"0x81f9C853d7CC894F7EF742F62a265a5e9aeeB727"}],"topCounterparties":[{"sent":0,"lastAt":"2026-10-22T01:09:59.000Z","address":"0x18Ce40bF88E38ffe57201dADe3cC88A415c2dbCf","received":22,"transfers":22},{"sent":14,"lastAt":"2026-07-25T17:57:11.000Z","address":"0xF5AfbFb2b9C0267D70c3eab03CDc872941aedBAA","received":0,"transfers":14},{"sent":10,"lastAt":"2026-08-18T05:17:23.000Z","address":"0x64413fc2A1cBDF27043F7EbaCB36778687b07056","received":0,"transfers":10},{"sent":0,"lastAt":"2026-10-22T07:14:47.000Z","address":"0x81f9C853d7CC894F7EF742F62a265a5e9aeeB727","received":5,"transfers":5},{"sent":0,"lastAt":"2026-10-20T08:19:35.000Z","address":"0x7b0d132c6BF845d5a072B6CC9201546F0aF8a044","received":5,"transfers":5}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Bq66lp_mtVnqJaXwsXqp7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a comprehensive onchain profile for an Ethereum address: wallet age, first funder, EOA/contract type, ETH balance, recent transfers (native/ERC-20/NFT), top counterparties, and large USD transfers.","exampleAgentPrompt":"Pull the full onchain profile for Ethereum address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — I want to know how old the wallet is, who first funded it, whether it's a contract or EOA, the current ETH balance in USD, and the most recent large transfers.","exampleUseCases":[{"title":"Due diligence on a counterparty wallet","prompt":"I'm about to send a large payment to 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B — can you pull their Ethereum profile and tell me how old the wallet is, who first funded it, and what their recent large transfers look like?"},{"title":"Investigating a whale wallet's activity","prompt":"Look up the Ethereum wallet profile for 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 and summarize their recent transfer history, top counterparties, and any large USDC or ETH moves in the last few months."},{"title":"Checking if an address is a smart contract","prompt":"Is 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D on Ethereum a regular wallet or a smart contract? Also give me its ETH balance and nonce."}],"resultDescription":"A JSON object containing: wallet age in days and first activity timestamp/tx/block; account kind (EOA, contract, EIP-7702 delegation target); current ETH balance and USD value; nonce; first funder address, amount, asset, and timestamp; activity breakdown by category (external, internal, ERC-20, ERC-721, ERC-1155); list of recent transfers with direction, counterparty, asset, amount, and USD value; list of large transfers in USD; Chainlink ETH/USD price and update time; and a notes field explaining data source and scan limits.","failureModes":["Invalid Ethereum address format (must match ^0x[0-9a-fA-F]{40}$) — returns 400/validation error","Address not found or has zero activity — returns empty activity fields","Alchemy index lag may cause recent transfers to be slightly delayed","Only the newest 100 inbound and 100 outbound transfers are scanned; older history may be missing","USD values are null for non-priced assets (e.g. arbitrary ERC-20s or ERC-1155s without known price)","Payment required error (402) if x402 payment header is missing or USDC payment fails"],"whenToPreferThis":"Use this endpoint when you need a rich, multi-dimensional Ethereum wallet profile in a single call — combining wallet age, funding history, balance, account type, and recent transfer activity. Prefer this over raw RPC calls when you need human-readable context, USD valuations, and Alchemy's indexed transfer history rather than just a balance check. It is especially well-suited for due diligence, whale research, and onboarding checks where you need to quickly understand an address's history and behavior.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:42:52.752Z","isFirstParty":false,"canonicalSlug":"ethereum-onchain-data-wallet-profile-7ad91fde"}