{"uid":"cap_61k9JizqB6tjGj3sj9kj8","slug":"x402-valkyry-fr-ens-resolver-c649cebb","name":"x402.valkyry.fr ENS Resolver","description":"Resolve an ENS name to an address, or reverse-resolve an address to its ENS name (Ethereum mainnet). Identity lookups for crypto agents.","url":"https://x402.valkyry.fr/ens?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"name":{"type":"string","description":"ENS name to resolve → address"},"address":{"type":"string","description":"Address to reverse-resolve → name"}}},"responseSchema":{"type":"json","example":{"name":"vitalik.eth","query":"forward","address":"0x…"}},"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_efJN8agdH9gkcAwnY4G2D","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 ENS names to Ethereum addresses (forward lookup) or reverse-resolves Ethereum addresses to ENS names, paid per-call via USDC on Base.","exampleAgentPrompt":"What Ethereum address does vitalik.eth resolve to? Also, can you reverse-resolve 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 to its ENS name?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the resolved ENS name or Ethereum address, along with the query type (forward or reverse) and the input that was queried. For example: {name: 'vitalik.eth', query: 'forward', address: '0x...'}","failureModes":["ENS name not found or not registered — returns null or error","Address has no reverse ENS record set — returns null name","Malformed ENS name or invalid Ethereum address input — validation error","Payment failure via x402 protocol — 402 response before resolution occurs","ENS resolution service timeout or network error"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call ENS resolution without managing your own RPC node or ENS library. Ideal for AI agents that occasionally need to resolve .eth names or reverse-lookup addresses on demand, without committing to a subscription or running blockchain infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:08:00.295Z","isFirstParty":false,"canonicalSlug":"x402-valkyry-fr-ens-resolver-c649cebb"}