{"uid":"cap_focBzy8wy8ufm3UDGsBIj","slug":"api-web3identity-com-c373d6b7","name":"Farcaster User Profile Lookup","description":"Get Farcaster user profile by FID, username, or connected address","url":"https://api.web3identity.com/api/farcaster/jessepollak","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":{}}},"response":{"bio":"base builder #001 | DM jessexbt to get started building","fid":99,"avatar":"https://tba-mobile.mypinata.cloud/ipfs/QmdD5hZrJz1CDVLs2Tg5JLnNR8hjWFVZmMqVWRAWoWYFJd?pinataGatewayToken=3nq0UVhtd3rYmgYDdb1I9qv7rHsw-_DzwdWkZPRQ-QW1avFI9dCS8knaSfq_R5_q","source":"warpcast","username":"jesse.base.eth","verified":false,"followers":361533,"following":3131,"timestamp":"2026-06-16T04:04:06.383Z","displayName":"Jesse Pollak"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.020000","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":"$0.020000/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_gNXpWZk4Xe0toz2G-Kpha","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 (FID, username, display name, followers) by FID, username, or connected Ethereum address","exampleAgentPrompt":"What's the Farcaster profile for jessepollak — I need their FID, display name, and how many followers they have.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the user's Farcaster ID (FID), username, display name, and follower count for the queried user.","failureModes":["Username not found — user does not exist on Farcaster","Invalid FID format — non-numeric FID provided","Address not linked to any Farcaster account","Payment failure — x402 payment of $0.02 USDC not fulfilled","Rate limiting or upstream Farcaster API unavailability"],"whenToPreferThis":"Use this endpoint when you need to resolve a Farcaster identity from a username, FID, or connected Ethereum address, especially in web3-native workflows where you need social graph data linked to on-chain identities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:49:33.504Z","isFirstParty":false}