{"uid":"cap_OAJxXtzsdE56kOAe22Mfg","slug":"evm-address-labels-8bd3885a","name":"EVM Address Labels","description":"Identify what an EVM address IS in one keyless call: contract/protocol identity (entity, name, category) from Open Labels Initiative attestations with trusted-attester consensus, plus on-chain truth (is_contract, code_hash), reverse ENS/Basename, sanctions (OFAC/UK/EU/UN) and scam-drainer flags. Cited provenance; unknown addresses answer with empty labels, never a 404.","url":"https://api.agentstools.dev/address/labels?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"Address to label, 0x + 40 hex"},"network":{"enum":["base","ethereum","arbitrum","optimism","polygon","bnb"],"type":"string","description":"EVM network (default base)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4-HpozncWUrewFITUebYr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Identifies an EVM address by resolving its protocol/entity identity, on-chain type, ENS/Basename, sanctions status, and scam flags in a single call","exampleAgentPrompt":"Can you tell me what this Ethereum address is — 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — is it a contract, which protocol does it belong to, and is it on any sanctions lists?","exampleUseCases":[{"title":"Sanctions screening before transfer","prompt":"Before I send funds, check if 0x7f268357A8c2552623316e2562D90e642bB538E5 on Ethereum is on any OFAC, EU, or UN sanctions list and whether it's been flagged as a scam."},{"title":"DeFi protocol contract identification","prompt":"I'm interacting with 0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2 on Base — can you tell me which protocol this contract belongs to, its category, and whether it's a known trusted entity?"},{"title":"Reverse ENS lookup for wallet","prompt":"What's the ENS or Basename for 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum, and is it a regular wallet or a smart contract?"}],"resultDescription":"Returns a structured label object for the queried address including: entity name and category from Open Labels Initiative attestations with attester consensus, on-chain flags (is_contract, code_hash), reverse ENS or Basename resolution, sanctions status across OFAC/UK/EU/UN lists, scam/drainer flags, and cited provenance. Unknown addresses return empty labels rather than an error.","failureModes":["Invalid address format (not 0x + 40 hex) results in an error response","Unsupported network enum value returns an error","Unknown or unlabeled address returns empty label fields (not a 404)","Network connectivity or upstream attestation service outage may delay or fail the response","Payment failure (x402) if USDC balance is insufficient for the $0.02 fee"],"whenToPreferThis":"Use this endpoint when you need a comprehensive, single-call identity resolution for an EVM address — combining protocol/entity labeling from Open Labels Initiative attestations, on-chain contract detection, ENS/Basename resolution, and multi-jurisdiction sanctions + scam screening. Prefer it over chain-specific block explorers when you need multi-network support and compliance screening in one call, or over standalone ENS resolvers when you also need entity categorization and sanctions checking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T18:42:45.229Z","isFirstParty":false,"canonicalSlug":"evm-address-labels-8bd3885a"}