{"uid":"cap_xtrfTFHzv_2L5eXbcITBZ","slug":"pennyrail-evm-address-label-lookup-e2e9b1ba","name":"PennyRail EVM Address Label Lookup","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/mini/evm.address-label--contract-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_dfaLwGaGPku-Ds4RtMg8x","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":"Looks up a human-readable label for an EVM contract address","exampleAgentPrompt":"What is the label or name associated with the EVM contract at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48?","exampleUseCases":[{"title":"Identify unknown DeFi contract","prompt":"I just saw a transaction to 0xdAC17F958D2ee523a2206206994597C13D831ec7 — can you look up what contract or project that address belongs to?"},{"title":"Enrich blockchain transaction history","prompt":"I have a list of contract addresses from my wallet's transaction history — can you label the first one, 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, so I know what it is?"},{"title":"Audit smart contract counterparty","prompt":"Before I approve this transaction, can you tell me what project or token is behind the contract address 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984?"}],"resultDescription":"A human-readable label or name identifying the EVM contract address, such as the project name, token name, or protocol associated with that on-chain address.","failureModes":["Unknown or unlabeled address returns empty or null label","Invalid EVM address format causes input validation error","Address exists on-chain but has no known label in the dataset","Network timeout or service unavailability returns 5xx error","Payment failure or insufficient USDC balance blocks the request"],"whenToPreferThis":"Use this endpoint when you need to resolve a raw EVM contract address into a human-readable label or name, particularly for enriching transaction data, auditing counterparties, or displaying friendly names in UIs. Prefer this over manual ENS lookups or block explorer scraping when you need a programmatic, pay-per-call approach via the x402 protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:44:56.938Z","isFirstParty":false}