{"uid":"cap_q0isrf3yEzGS1UruKBJgG","slug":"farcaster-signal-base-token-social-score-225b05ad","name":"Farcaster Signal — Base Token Social Score","description":"Farcaster social signal score for a token on Base — combines onchain activity with social engagement.","url":"https://x402-farcaster-social-signal-production.up.railway.app/token/social-signal","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"symbol":{"type":"string","description":"Token symbol, used if contractAddress is omitted"},"hoursBack":{"type":"number","description":"Lookback window in hours (default 24)"},"contractAddress":{"type":"string","description":"ERC-20 token contract address on Base"}}},"responseSchema":{"type":"json","example":{"token":{"name":"USD Coin","symbol":"USDC","decimals":6},"topCasts":[],"socialSignal":{"score":61,"castCount":25,"uniqueAuthorCount":23}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y-m1WWfo5_0VopLpK4IZR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a composite social signal score for a Base ERC-20 token by combining onchain activity with Farcaster cast engagement metrics.","exampleAgentPrompt":"What's the Farcaster social signal score for DEGEN on Base over the last 48 hours — how many casts and unique authors are talking about it?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the token's metadata (name, symbol, decimals), a social signal object containing a composite score (0-100), total cast count, and unique author count, plus an array of top relevant casts from Farcaster within the lookback window.","failureModes":["Unknown token symbol — no matching Base token found, returns empty or error","Invalid contract address format — returns validation error","No Farcaster activity found for the token in the lookback window — returns score of 0 with empty topCasts","hoursBack value too large — may time out or return partial data","Payment failure — x402 payment not accepted, returns 402"],"whenToPreferThis":"Use this endpoint when you need to quantify social momentum of a specific Base ERC-20 token using Farcaster engagement data. Ideal for crypto research agents evaluating token hype, traders assessing social sentiment before a trade, or dashboards ranking Base tokens by community activity. Prefer over generic social listening tools when the target chain is Base and the social layer is Farcaster specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:37:44.554Z","isFirstParty":false}