{"uid":"cap_x15lC4Ja7csE698Cxjv6S","slug":"pennyrail-evm-address-label-lookup-8ea6b8a4","name":"PennyRail EVM Address Label Lookup","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/mini/evm.address-label--address-label","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":true},"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_w4a2rFQvRxXdHs8TiWPZw","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":"Resolves a human-readable label for an EVM blockchain address","exampleAgentPrompt":"Can you look up the label or name associated with the EVM address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — I want to know what entity or account it belongs to.","exampleUseCases":[{"title":"Identify unknown wallet in transaction","prompt":"I see a transfer from 0xBE0eB53F46cd790Cd13851d5EFf43D12404d33E8 in my logs — can you look up what label or name is attached to that EVM address?"},{"title":"Enrich DeFi dashboard with address names","prompt":"For the address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 showing up in our DeFi analytics, can you fetch its human-readable label so we can display it properly instead of a raw hex string?"},{"title":"Due diligence on counterparty address","prompt":"We're about to send funds to 0x47ac0Fb4F2D84898e4D9E7b4DaB3C24507a6D503 — can you check if there's a known label or identity attached to that Ethereum address before we proceed?"}],"resultDescription":"Returns a human-readable label or name associated with the given EVM address, potentially including entity name, tag, or classification metadata describing who or what controls that address.","failureModes":["Address has no known label — returns empty or null label field","Invalid or malformed EVM address input — returns validation error","Address not indexed — service may return 404 or empty result","Network or service unavailability — HTTP 5xx response","Payment failure via x402 protocol — 402 response if payment not processed"],"whenToPreferThis":"Use this endpoint when you need to resolve a human-readable label for a specific EVM/Ethereum address and want a pay-per-call micropayment model via x402 rather than maintaining an API subscription. Prefer this over ENS-only resolvers when you need broader address labeling beyond ENS names.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:45:45.325Z","isFirstParty":false}