{"uid":"cap_oBMB_WDMjeOd4FtsLSDW0","slug":"evm-wallet-address-labeler-contract-identifier-5321acf5","name":"EVM Wallet Address Labeler & Contract Identifier","description":"Identifies well-known EVM addresses: CEX hot/cold wallets, DEX routers, NFT marketplaces, popular MEV bots, bridges, and stablecoins. Best-effort labelling against an in-handler dictionary; Etherscan v2 'getcontractcreation' adds is_contract + deployer for unknown contracts. Returns label, category, and the source of the match. Use it as a wallet label, address tagger, known-address lookup, EOA-vs-contract check, or deployer tracer.","url":"https://x402.agentutility.ai/wallet-label","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"anyOf":[{"required":["address"]},{"required":["wallet"]}],"properties":{"chain":{"enum":["base","ethereum","eth","mainnet","polygon","arbitrum","optimism"],"type":"string","description":"EVM chain. Default 'ethereum'. 'eth' and 'mainnet' map to ethereum."},"wallet":{"type":"string","description":"Alias for address; accepts the same 0x-prefixed EVM address."},"address":{"type":"string","description":"0x-prefixed 20-byte EVM address."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"chain":{"type":"string"},"label":{"type":"string"},"source":{"type":"string"},"address":{"type":"string"},"category":{"type":"string"},"deployer":{"type":"null"},"creation_tx":{"type":"null"},"is_contract":{"type":"boolean"}}}}}}},"responseSchema":{"type":"json","example":{"chain":"ethereum","label":"Unknown EOA","source":"etherscan","address":"0x6c0752c09e7f6fa6526fcdf40e456a159ebb5621","category":"unknown","deployer":null,"creation_tx":null,"is_contract":false}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9uu-uJCf1ou2UGDgSZfK7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Identifies and labels EVM addresses as known entities (CEX/DEX wallets, bridges, NFT marketplaces, MEV bots, stablecoins) and detects whether an address is a contract plus its deployer","exampleAgentPrompt":"Can you tell me what this Ethereum address is — 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045? I want to know if it's a known entity like a CEX wallet, DEX router, or bridge, and whether it's a contract or an EOA, plus who deployed it if so.","exampleUseCases":[{"title":"Identify suspicious transaction counterparty","prompt":"I'm seeing a large outflow to 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD in my wallet history — can you tell me what that address is, what category it falls under, and whether it's a known protocol?"},{"title":"Trace smart contract deployer","prompt":"I need to find out who deployed the contract at 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D and whether it's a recognized DeFi entity like a DEX router."},{"title":"Flag known MEV bot in transaction","prompt":"Flag this address for me: 0x00000000003b3cc22aF3aE1EAc0440BcEe416B40 — is it a known MEV bot, bridge, or some other labeled entity on-chain?"}],"resultDescription":"Returns a label (human-readable name for the address), a category (e.g. CEX hot wallet, DEX router, NFT marketplace, MEV bot, bridge, stablecoin), the source of the match (internal dictionary or Etherscan), an is_contract boolean, and the deployer address for contract addresses not found in the dictionary.","failureModes":["Unknown address returns no label with best-effort fallback to Etherscan contract creation data","Etherscan v2 API unavailable may result in missing is_contract or deployer fields","Non-EVM or malformed address input returns error","Rate limits or payment failure (x402) prevents response","Very new contracts may not yet be indexed by Etherscan"],"whenToPreferThis":"Use this endpoint when you need fast, cheap labeling of EVM addresses against a curated dictionary of well-known entities (CEXs, DEXs, bridges, MEV bots, stablecoins, NFT marketplaces) and also want EOA-vs-contract detection with deployer tracing for unknowns. Prefer this over raw Etherscan lookups when you need structured, categorized labels rather than raw blockchain data, and when cost per lookup matters at scale ($0.005 USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:08:07.840Z","isFirstParty":false}