{"uid":"cap_VlojX_wwMVXEaxXEkfzRv","slug":"farcaster-social-graph-lookup-8651c00d","name":"Farcaster Social Graph Lookup","description":"Farcaster social-graph slice for a fid or username: the following list with a count, the follower floor with a count, and a sample of mutual connections. Counts for large accounts are a floor with a capped flag. Social-graph context for reputation and network-analysis agents.","url":"https://payai.agentstools.dev/farcaster/graph","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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9Q-KGMTXqlWA5awJQsUrt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the following list, follower count (floor), and mutual connections sample for a given Farcaster FID or username","exampleAgentPrompt":"Can you pull up the social graph for the Farcaster account with username 'vitalik.eth' — I want to see who they follow, their follower count, and any mutual connections?","exampleUseCases":[{"title":"Reputation check for Farcaster user","prompt":"I want to assess the reputation of the Farcaster user with FID 3 — can you get me their follower count, who they follow, and a sample of mutual connections?"},{"title":"Influencer network analysis","prompt":"Look up the Farcaster social graph for the username 'dwr.eth' — I need their following list and follower floor to understand their reach on the network."},{"title":"Mutual connections discovery","prompt":"Can you find mutual connections between my Farcaster account and username 'jessepollak'? Pull the social graph slice so I can see overlapping connections."}],"resultDescription":"Returns a JSON object containing: the list of accounts the target user follows, a follower count (expressed as a floor for large accounts with a 'capped' boolean flag), and a sample of mutual connections between the queried account and others. Large accounts with very high follower counts return a floor value with capped=true rather than an exact count.","failureModes":["Neither fid nor username provided — returns error requiring at least one identifier","Invalid FID (non-positive integer) — validation error","Unknown username or FID not found on Farcaster — 404 or empty result","Payment not provided or insufficient — 402 Payment Required (x402 protocol)","Rate limiting or upstream Farcaster API unavailability — 429 or 503 response"],"whenToPreferThis":"Choose this endpoint when you need Farcaster-specific social graph data — following lists, follower counts, and mutual connections — for reputation scoring, network analysis, or onboarding flows in a decentralized social context. Prefer it over generic social API wrappers when you need structured, cost-efficient Farcaster graph slices without building your own Farcaster indexer integration. It is especially useful when you need mutual connection sampling, which generic follower-count APIs do not provide.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:04:16.595Z","isFirstParty":false}