{"uid":"cap_l9xS20I-Lai4kypWBqYOD","slug":"farcaster-identity-wallet-resolver-1816c29c","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://payai.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_zPup0auPUR_GVCV4FJA3i","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: look up FID, username, custody address, and verified wallets from any of FID, username, or Ethereum address.","exampleAgentPrompt":"What is the Farcaster FID and all verified wallet addresses for the username 'dwr'?","exampleUseCases":[{"title":"Wallet-to-social profile lookup","prompt":"I have this Ethereum address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 — can you tell me if it belongs to a Farcaster account and what the username and FID are?"},{"title":"Airdrop eligibility by Farcaster identity","prompt":"I want to send tokens to Farcaster user 'vitalik' — can you find their verified Ethereum wallet addresses so I know where to send the airdrop?"},{"title":"Social identity enrichment for FID","prompt":"Look up Farcaster FID 3 and give me the full identity: username, custody address, and any verified wallets linked to that account."}],"resultDescription":"Returns the resolved Farcaster identity including FID (integer), username, custody address (Ethereum hex), and a list of verified wallet addresses associated with the account. Direction depends on the query parameter supplied: address → FID/profile, or FID/username → addresses.","failureModes":["Unknown address or FID returns 404 with no matching identity","A verified address (non-custody) may require optional enrichment to resolve — without it, the lookup may return no result","Invalid Ethereum address format (not 0x + 40 hex chars) returns a validation error","Username not found on Farcaster returns empty or 404","Rate limiting or payment failure may return 402 or 429"],"whenToPreferThis":"Choose this endpoint when you need to bridge Farcaster social identity (FID or username) with on-chain Ethereum wallet addresses, or reverse a wallet address to a Farcaster profile. It handles both directions in a single call and returns custody plus all verified wallets, making it ideal for airdrop targeting, on-chain social graph enrichment, or identity verification workflows in crypto-native applications.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:13:14.913Z","isFirstParty":false}