{"uid":"cap_tSq_pZ8_GbQteg2JeHnQZ","slug":"farcaster-verifications-fc0f46a8","name":"Farcaster Verifications","description":"Resolve a Farcaster identity to its verified on-chain wallets. Give one of fid or username and get every cryptographically verified address (Ethereum and Solana) linked to that FID, plus the in-profile primary Ethereum address and provenance. The forward identity to wallet direction for reputation and provenance work.","url":"https://payai.agentstools.dev/farcaster/verifications","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"},"username":{"type":"string","description":"Farcaster username (fname or ENS), 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":"0.003","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_NZ2tJ1L2OVwS4ypsHv_60","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 Farcaster FID or username to all cryptographically verified on-chain wallet addresses (Ethereum and Solana) linked to that identity.","exampleAgentPrompt":"Can you look up all the verified on-chain wallet addresses — both Ethereum and Solana — linked to the Farcaster username 'vitalik.eth'?","exampleUseCases":[{"title":"Airdrop wallet resolution for Farcaster users","prompt":"I want to airdrop tokens to my top Farcaster followers — can you pull all their verified Ethereum wallet addresses? Start with FID 3 and FID 1317."},{"title":"On-chain reputation check for a creator","prompt":"Before I commission this Farcaster creator, can you check what verified wallets are linked to their username 'horsefacts' so I can verify their on-chain activity?"},{"title":"Cross-platform identity linking","prompt":"I need to tie the Farcaster profile 'dwr.eth' to their actual blockchain wallets — pull all their cryptographically verified Ethereum and Solana addresses including the primary one."}],"resultDescription":"Returns all cryptographically verified Ethereum and Solana wallet addresses linked to the given Farcaster FID or username, the in-profile primary Ethereum address, and provenance information indicating how each address was verified.","failureModes":["FID not found — returns empty or error if the FID does not exist","Username not found — unrecognized fname or ENS returns an error","Neither fid nor username provided — missing required query parameter causes a 400-level error","Rate limit or payment failure — x402 payment not accepted results in 402 response","Farcaster node unavailable — upstream Farcaster hub timeout causes 5xx error"],"whenToPreferThis":"Choose this endpoint when you need the forward direction of Farcaster identity resolution — going from a known Farcaster identity (FID or username) to verified wallet addresses. It is ideal for airdrop targeting, on-chain reputation checks, payment routing to Farcaster users, and provenance verification. Prefer this over generic ENS resolvers when the identity is specifically a Farcaster profile, as it returns all verified addresses (including Solana) plus provenance, not just a primary ENS-linked address.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:13:29.946Z","isFirstParty":false}