{"uid":"cap_op09-Ft_wRoBrNr67rTZP","slug":"farcaster-identity-wallet-resolver-d3bb9d4c","name":"Farcaster Identity & Wallet Resolver","description":"Bidirectional Farcaster identity and wallet resolver. Give an address to get the FID it belongs to (custody address resolves keyless; a verified address needs the optional enrichment), or give a fid or username to get the canonical identity (fid, username, custody address and verified wallets). Crypto-native reconciliation of social identity and wallet.","url":"https://api.agentstools.dev/farcaster/resolve","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":{"fid":{"type":"integer","minimum":1,"description":"Farcaster ID (FID), a positive integer"},"address":{"type":"string","description":"Ethereum address (0x and 40 hex chars) to reverse to a FID"},"username":{"type":"string","description":"Farcaster username, without the at-sign"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/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_SDQF9zPFrUQGZWjkiCO-i","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Bidirectionally resolves Farcaster identities: converts Ethereum addresses to FIDs, and FIDs or usernames to canonical identity bundles including custody address and verified wallets.","exampleAgentPrompt":"Can you look up the Farcaster identity for the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — I need their FID, username, and any verified wallets linked to that account.","exampleUseCases":null,"resultDescription":"Returns a canonical Farcaster identity bundle containing the FID (integer), username, custody address, and list of verified Ethereum wallet addresses associated with the resolved identity. Works bidirectionally — supply an address, FID, or username and get the full identity record.","failureModes":["Address not found on Farcaster — no FID linked to that custody or verified address","Invalid Ethereum address format — must be 0x-prefixed 40-character hex","FID not found — the integer provided does not correspond to any registered Farcaster account","Username not found — the provided username does not exist on Farcaster","Missing required query parameter — must supply at least one of fid, address, or username","Payment failure — x402 payment of 0.005 USDC not completed or rejected"],"whenToPreferThis":"Use this endpoint when you need to bridge Farcaster social identity with on-chain Ethereum wallet data — either to find which Farcaster account owns a wallet address, or to discover all wallets (custody + verified) for a known Farcaster user. Prefer this over generic ENS or on-chain resolvers when the target identity is specifically a Farcaster user.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:09:14.375Z","isFirstParty":false}