{"uid":"cap_BJOI4YdgDdoGLr995aFnf","slug":"base-basename-resolver-c3d5c0e8","name":"Base Basename Resolver","description":"Resolve a Basename (name.base.eth) to its Base address, or an address to its primary Basename, checked both ways so a reverse name is only returned when it resolves back. Use it to turn a human name into a payout address or to label an address. Avoids hand-written ENS-style namehash and resolver calls. Query: ?name=jesse.base.eth or ?address=0x...","url":"https://89-116-220-218.sslip.io/base/basename?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"name":{"type":"string","description":"Basename to resolve, with or without the .base.eth suffix (give name or address)"},"address":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$","description":"Base address whose verified primary Basename to look up (give name or address)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"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_HfXRs_dHVDeQZMmbMrAPy","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 a Basename (name.base.eth) to its Base address, or a Base address to its verified primary Basename, with bidirectional verification.","exampleAgentPrompt":"What's the wallet address for jesse.base.eth on Base? I want to send them a payment and need to make sure the name resolves to the right address.","exampleUseCases":[{"title":"Resolve Basename to payout address","prompt":"I need to pay vitalik.base.eth — can you look up what Base wallet address that Basename resolves to so I can send USDC to the right place?"},{"title":"Label address with human name","prompt":"I have the address 0x4bBFD120d9f352A0BEd7a014bd67913DB2e52B64 — can you check if it has a primary Basename registered so I can show a human-readable label in my app instead of the raw address?"},{"title":"Verify Basename ownership before transfer","prompt":"Before I send funds, can you confirm that alice.base.eth actually resolves back to the address 0xAbC123... — I want to make sure the reverse record matches so I know the name is legitimately claimed?"}],"resultDescription":"Returns the resolved Base address for a given Basename, or the verified primary Basename for a given address. Includes bidirectional verification so a reverse name is only returned when it resolves back to the same address, preventing spoofed reverse records.","failureModes":["Name not found or not registered — returns null or error for unregistered Basenames","Address has no primary Basename set — returns empty or null for the reverse lookup","Reverse record mismatch — name does not resolve back to the queried address, so no Basename is returned","Invalid address format — 400-level error if address doesn't match 0x hex pattern","Network or RPC error — upstream Base node unavailable causing timeout or 5xx response"],"whenToPreferThis":"Use this endpoint when you need to resolve Basenames (name.base.eth) to Base addresses or reverse-lookup addresses to Basenames without writing ENS namehash and resolver logic yourself. It handles bidirectional verification automatically, making it safer than a naive forward-only lookup. Prefer this over raw RPC calls when operating in an agent context on Base mainnet where simplicity and correctness of identity resolution matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:08:12.048Z","isFirstParty":false,"canonicalSlug":"base-basename-resolver-c3d5c0e8"}