{"uid":"cap_tDWCJHgwLv4TMeuYBCHoj","slug":"farcaster-intel-api-trending-topics-ccd34ba4","name":"Farcaster Intel API - Trending Topics","description":"Structured Farcaster intelligence for AI agents. Pay per query in USDC on Base via x402.","url":"https://farcaster-intel-api.vercel.app/api/trending","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"window":{"enum":["1h","6h","24h"],"type":"string","description":"Time window for trending data (default: 6h)"}}},"responseSchema":{"type":"object","properties":{"topics":{"type":"array","items":{"type":"object","properties":{"topic":{"type":"string"},"top_cast":{"type":"string"},"cast_count":{"type":"integer"}}}},"window":{"type":"string"},"summary":{"type":"string"},"top_casts":{"type":"array","items":{"type":"object","properties":{"text":{"type":"string"},"author":{"type":"string"},"reactions":{"type":"integer"},"timestamp":{"type":"string"}}}},"fetched_at":{"type":"string","format":"date-time"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/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_l1HObzxgz5Bb0IYjREGS8","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 trending topics, top casts, and a summary of what's popular on Farcaster within a specified time window","exampleAgentPrompt":"What's trending on Farcaster right now? Pull the top topics and most-reacted casts from the last 6 hours and give me a summary.","exampleUseCases":null,"resultDescription":"Returns a structured JSON object containing: an array of trending topics (each with topic name, top cast text, and cast count), the time window queried, a human-readable summary of trends, an array of top casts (with text, author, reaction count, and timestamp), and a fetched_at datetime.","failureModes":["Invalid time window format returns a 400 error","Payment not included or rejected results in a 402 Payment Required response","Farcaster data source temporarily unavailable causes 503 or empty results","Rate limiting if too many requests are made in quick succession","No trending data available for the specified window returns empty arrays"],"whenToPreferThis":"Use this endpoint when you need structured, agent-ready trend intelligence from Farcaster — particularly for monitoring what topics and casts are gaining traction on the decentralized social network. Prefer this over scraping Farcaster directly or using generic social listening tools when you need clean, pre-aggregated data with cast counts and reaction metrics in a single API call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:39:39.854Z","isFirstParty":false}