{"uid":"cap_sxkgKR5B3x1FsM9mbejLt","slug":"x402-bazaar-basename-resolution-base-l2-98dae919","name":"x402 Bazaar — Basename Resolution (Base L2)","description":"Forward + reverse Basename resolution read from the Base L2 Resolver: turn jesse.base.eth into an address, or an address into its primary Basename. No API key required. Paid via x402: $0.005 in USDC on Base (eip155:8453) to 0x973a31858f4d2125f48c880542da11a2796f12d6. Returns 402 with payment requirements; pay and retry.","url":"https://api.relai.fi/relay/1782567677091/api/x402/basename","method":"POST","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["query"],"properties":{"query":{"type":"string","description":"Basename or address"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_X2fsakfUa7jtkTB5KtRQ2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves Base ENS names (Basenames) to Ethereum addresses and reverse-resolves addresses to their primary Basename, reading directly from the Base L2 Resolver.","exampleAgentPrompt":"What Ethereum address does jesse.base.eth resolve to on Base? And while you're at it, can you also reverse-lookup 0x329a7f8b91Ce7479035cb1B5D62AB41845830Ce8 to find its primary Basename?","exampleUseCases":null,"resultDescription":"Returns either the resolved Ethereum address for a given Basename, or the primary Basename for a given Ethereum address, as read from the Base L2 Resolver contract.","failureModes":["Unregistered Basename returns null or not-found response","Address has no primary Basename set — returns empty result","402 Payment Required returned if x402 micropayment not included — must pay $0.005 USDC on Base and retry","Invalid address format or malformed Basename causes 400 bad request","Network issues with Base L2 RPC cause resolution timeout"],"whenToPreferThis":"Use this endpoint when you need on-chain, authoritative Basename resolution on Base L2 without an API key, and are comfortable with the x402 micropayment flow. Prefer it over general-purpose ENS resolvers when working specifically with Basenames (*.base.eth) rather than mainnet ENS names.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:51:07.276Z","isFirstParty":false}