{"uid":"cap_gtNYU71ofTKq3DAzoJkQ7","slug":"skills-onesource-io-6ae0d9aa","name":"OneSource ENS Resolver","description":"ENS resolve — turn a .eth name into an address, or an address into its primary .eth name, via eth_call on OneSource live Ethereum RPC","url":"https://skills.onesource.io/api/chain/ens/nick.base.eth?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{},"description":"No body parameters needed. The ENS name is passed as a URL path segment (e.g., /api/chain/ens/nick.base.eth). The network defaults automatically."},"responseSchema":{"type":"object","required":["data","meta"],"properties":{"data":{"type":"object","required":["name","is_forward","is_reverse","error"],"properties":{"name":{"type":"string"},"error":{"type":"string"},"is_forward":{"type":"boolean"},"is_reverse":{"type":"boolean"}}},"meta":{"type":"object","required":["endpoint","request_id"],"properties":{"endpoint":{"type":"string"},"request_id":{"type":"string"}}}}},"example":{"request":{},"response":{"data":{"name":"nick.base.eth","error":"no resolver set for this name","is_forward":true,"is_reverse":false},"meta":{"endpoint":"/api/chain/ens/nick.base.eth","request_id":"1e56f4d0fcea5954"}}},"exampleRequest":{},"tags":["x402"],"displayCostAmount":"0.005000","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005000/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_v6cu2aN05FKLCVCT3kEkq","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":"Resolves an ENS .eth name to an Ethereum address, or reverse-resolves an Ethereum address to its primary .eth name, via live eth_call on multiple networks","exampleAgentPrompt":"What Ethereum address does nick.base.eth resolve to on the Base network?","exampleUseCases":[{"title":"Verify wallet identity from ENS name","prompt":"I need to find out what Ethereum address the vitalik.eth name resolves to so I can send funds to the right wallet."},{"title":"Find primary ENS for any address","prompt":"Can you tell me what the primary .eth name is for the wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045?"},{"title":"Cross-chain ENS resolution testing","prompt":"I'm building a multi-chain app and need to resolve the address for alice.eth on the Sepolia testnet to make sure it works across different networks."}],"resultDescription":"Returns the resolved Ethereum address for a given .eth name, or the primary .eth name for a given address, along with chain-related on-chain metadata fetched via a live Ethereum RPC call.","failureModes":["ENS name not registered or expired — returns null or empty resolution","Address has no reverse ENS record set — no primary name returned","Unsupported network specified — validation error on network enum","Malformed input (invalid address format or missing .eth suffix) — 400 bad request","RPC node unavailable or rate-limited — 5xx error","Name resolves to zero address — indicates unset or burned registration"],"whenToPreferThis":"Use this endpoint when you need to resolve or reverse-resolve ENS names against a live Ethereum RPC across multiple networks including Ethereum mainnet, Base, Avalanche, Sepolia, and MegaETH. Prefer this over static registry lookups when you need real-time on-chain accuracy or need to resolve names on non-mainnet networks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:31:50.120Z","isFirstParty":false,"canonicalSlug":"skills-onesource-io-6ae0d9aa"}