{"uid":"cap_vxfjiXxnGF9IDG_YIuI09","slug":"base-name-resolver-8c4c5e72","name":"Base Name Resolver","description":"Looks up Basenames (onchain names on Base). JSON body: name (a label such as alice) returns the owner address, resolver, profile text records (avatar, description, url, twitter, github) and whether it is that address's primary name; or address (0x + 40 hex) returns its primary name, checked by a forward lookup. Unknown name returns 404. Body max 2 KB. Takes 1-5 s. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.","url":"https://api.jagent.dev/v1/basename?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"name":{"type":"string"},"address":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_s76tU_8BoXdaAfcBFjzJp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves Basenames (onchain ENS-style names on Base) to owner addresses and profile records, or resolves an address to its primary Basename","exampleAgentPrompt":"Can you look up the Basename 'alice' and tell me the owner address, whether it's their primary name, and any profile info like their avatar or Twitter?","exampleUseCases":[{"title":"Identify owner of a Basename","prompt":"Who owns the Basename 'vitalik' on Base — give me the wallet address and any profile records like their description or social links."},{"title":"Reverse lookup address to Basename","prompt":"What's the primary Basename registered for the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045?"},{"title":"Verify Basename before sending funds","prompt":"Before I send funds, can you confirm that the Basename 'bob' on Base resolves to 0xAbCd1234... and that it's their primary name?"}],"resultDescription":"Returns a JSON object containing: for a name lookup — the owner address, resolver contract address, whether this is the address's primary name, and profile text records (avatar, description, url, twitter, github); for an address lookup — the primary Basename string confirmed by forward resolution. Returns 404 if the name is unknown.","failureModes":["Unknown or unregistered Basename returns 404","Address with no primary Basename set returns 404 or empty primary name","Malformed address (not 0x + 40 hex) causes validation error","Name label with invalid characters may be rejected","Request body exceeding 2 KB limit is rejected","Response latency up to 5 seconds under load","AI-generated responses may occasionally be stale if onchain state changed recently"],"whenToPreferThis":"Use this endpoint when you need to resolve a human-readable Basename (e.g. 'alice') to a wallet address and profile on Base, or reverse-resolve an 0x address to its primary Basename. Prefer this over generic ENS resolvers when the name is specifically a Base L2 onchain name (basename). It also returns rich profile metadata (avatar, social handles) in a single call, making it ideal for identity enrichment workflows on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:38:03.707Z","isFirstParty":false,"canonicalSlug":"base-name-resolver-8c4c5e72"}