{"uid":"cap_vQ9tE0UD6OrUXDKaM6v32","slug":"api-web3identity-com-3b17558d","name":"Farcaster User Profile Lookup by FID, Username, or Address","description":"Get Farcaster user profile by FID, username, or connected address","url":"https://api.web3identity.com/api/farcaster/dwr","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"fid":{"type":"number"},"username":{"type":"string"},"followers":{"type":"number"},"displayName":{"type":"string"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"username":"dwr"}}},"response":{"bio":"Interested in technology and other stuff.","fid":3,"avatar":"https://imagedelivery.net/BXluQx4ige9GuW0Ia56BHw/bc698287-5adc-4cc5-a503-de16963ed900/original","source":"warpcast","username":"dwr","verified":false,"followers":344821,"following":77,"timestamp":"2026-06-13T04:17:46.018Z","displayName":"Dan Romero"}},"exampleRequest":{"username":"dwr"},"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_GMmYfYnK4Pn_SlHNCtV9t","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves a Farcaster user's profile data including FID, username, display name, and follower count given a FID, username, or connected wallet address","exampleAgentPrompt":"What's the Farcaster profile for the username 'dwr' — I want their FID, display name, and how many followers they have.","exampleUseCases":null,"resultDescription":"Returns a Farcaster user profile object containing the user's FID (numeric ID), username (handle), displayName, and follower count.","failureModes":["User not found for given FID, username, or address returns 404 or empty result","Invalid or malformed address/FID returns 400 bad request","Rate limiting or payment failure returns 402 or 429","Farcaster API upstream unavailability causes 503 or timeout"],"whenToPreferThis":"Use this endpoint when you need to resolve a Farcaster identity from any of the three lookup keys — FID, username, or connected wallet address — especially in Web3 contexts where you need to bridge on-chain addresses to Farcaster social profiles. Prefer over scraping Warpcast directly for reliable structured data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:30:35.213Z","isFirstParty":false}