{"uid":"cap_R2MTMInrmxyawZuu3SNrV","slug":"money-reactor-fear-greed-index-75c7b111","name":"Money Reactor Fear & Greed Index","description":"Crypto Fear & Greed index: today + yesterday + week ago + 10-day history (0=extreme fear, 100=extreme greed) — market sentiment in one call","url":"https://money-reactor.makar52nn2016.workers.dev/api/fear-greed?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","properties":{}}}},"output":{"type":"object","properties":{"example":{"value":71,"source":"alternative.me","weekAgo":{"value":55,"classification":"Neutral"},"yesterday":{"value":68,"classification":"Greed"},"historyDays10":[{"value":71,"classification":"Greed"}],"classification":"Greed"}}}}},"responseSchema":{"type":"json","example":{"value":71,"source":"alternative.me","weekAgo":{"value":55,"classification":"Neutral"},"yesterday":{"value":68,"classification":"Greed"},"historyDays10":[{"value":71,"classification":"Greed"}],"classification":"Greed"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yzpbv2GPi_Kgbwhbaa-OM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current crypto Fear & Greed index value, classification, and recent historical readings from alternative.me","exampleAgentPrompt":"What's the current crypto Fear and Greed index right now — is the market in fear or greed, and how does that compare to yesterday and a week ago?","exampleUseCases":[{"title":"Daily trading sentiment check","prompt":"What's today's crypto Fear and Greed score, and has sentiment improved or gotten more fearful compared to yesterday and last week?"},{"title":"Automated market mood monitoring","prompt":"Every morning, check the crypto Fear and Greed index and tell me whether it's shifted more than 10 points from a week ago."},{"title":"Contrarian buy signal detection","prompt":"Is the crypto market currently in extreme fear? I want to know the current Fear and Greed value and classification so I can decide whether to buy the dip."}],"resultDescription":"A JSON object containing the current Fear & Greed index integer value (0-100), its text classification (e.g. 'Greed', 'Fear', 'Neutral', 'Extreme Greed'), the value and classification from yesterday, the value and classification from 7 days ago, and an array of the last 10 days of daily readings — all sourced from alternative.me.","failureModes":["Payment not received or x402 handshake fails — 402 response with payment requirements","Upstream alternative.me API unavailable — may return stale or error response","Malformed response if the upstream data format changes","Network timeout from Cloudflare Worker"],"whenToPreferThis":"Choose this endpoint when you need a quick, real-time snapshot of crypto market sentiment via the Fear & Greed index without requiring an API key or account setup. It is ideal for agent workflows that need micro-payment-gated, no-registration access to sentiment data paid per-call via x402/USDC on Base. Prefer this over scraping alternative.me directly when you want a structured JSON response with historical context included.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:04:07.824Z","isFirstParty":false,"canonicalSlug":"money-reactor-fear-greed-index-75c7b111"}