{"uid":"cap_MSMCyp_h6WbhFKl_iqLG0","slug":"crypto-market-brief-api-a7df8c9a","name":"Crypto Market Brief API","description":"Premium one-call crypto market snapshot: Fear&Greed sentiment + top-5 trending tokens + top-5 stablecoin yields + top-5 scored earning opportunities. Replaces 4 separate calls.","url":"https://opportunity-api-production.up.railway.app/api/market-brief","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"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_E1IHkEcDwagLFTC9vkkxD","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 single consolidated crypto market snapshot combining Fear&Greed index, top-5 trending tokens, top-5 stablecoin yields, and top-5 scored earning opportunities in one call.","exampleAgentPrompt":"Give me a full crypto market briefing right now — Fear and Greed sentiment, the top 5 trending tokens, the best stablecoin yields available, and the top 5 scored earning opportunities all in one shot.","exampleUseCases":null,"resultDescription":"Returns a structured JSON object with four sections: (1) Fear & Greed index value and sentiment label, (2) top-5 trending tokens with price and 24h change, (3) top-5 stablecoin yield opportunities ranked by APY, and (4) top-5 DeFi earning opportunities with composite scores — replacing what would otherwise require four separate API calls.","failureModes":["Upstream data source (CoinGecko, DeFiLlama, Fear&Greed provider) is unavailable, returning partial or stale data","Payment not processed (x402 payment required, returns 402 if USDC payment not included)","Rate limiting or service overload on Railway hosting causing timeout or 503","One or more sub-components return empty arrays if no data meets ranking criteria"],"whenToPreferThis":"Use this endpoint when you need a broad, consolidated crypto market overview in a single call and want to avoid orchestrating multiple separate data fetches. Ideal for daily briefing agents, portfolio dashboards, or opportunity scanners that need sentiment + trending + yield + earning data together. Prefer this over individual endpoints when latency and call cost matter and a holistic snapshot is sufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:45:59.316Z","isFirstParty":false}