{"uid":"cap_d0F_cDIbUD3nAd__YblRp","slug":"x402-free-hub-crypto-fear-greed-sentiment-index-6def90fd","name":"x402-free-Hub Crypto Fear & Greed Sentiment Index","description":"12 paid endpoints - Yield, Governance, Sentiment (all free APIs)","url":"https://x402-free-hub.vercel.app/api/sentiment/fear-greed?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","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":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lbwZYZcJbdFI_4Gpb_zv9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","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 sentiment score and label for market mood analysis","exampleAgentPrompt":"What is the current crypto Fear & Greed Index score right now — is the market in fear, greed, or somewhere in between?","exampleUseCases":[{"title":"Trading bot risk adjustment trigger","prompt":"Check the current Fear & Greed Index and adjust my portfolio leverage — if the market's in extreme fear, dial back my positions, and if it's in extreme greed, tighten my stops."},{"title":"Crypto market brief for investors","prompt":"Pull the latest Fear & Greed Index score and give me a quick snapshot of where crypto sentiment stands right now so I can decide if today's a good time to add to my positions."},{"title":"Alert on sentiment extremes","prompt":"Monitor the Fear & Greed Index throughout the day and notify me whenever it swings into extreme territory — either extreme fear or extreme greed — so I can capitalize on the opportunity."}],"resultDescription":"Returns a numeric Fear & Greed Index score (typically 0-100) along with a categorical sentiment label (e.g. Extreme Fear, Fear, Neutral, Greed, Extreme Greed) and likely a timestamp indicating when the data was last updated.","failureModes":["Upstream free data source unavailable causing 502 or 503 error","Stale or cached data returned if underlying source hasn't updated recently","Payment not processed correctly resulting in 402 response requiring USDC payment","POST body format mismatch causing 400 bad request","Rate limiting if called too frequently in succession"],"whenToPreferThis":"Use this endpoint when you need a quick, quantified snapshot of overall crypto market sentiment via the well-known Fear & Greed Index. Ideal for DeFi dashboards, trading bots, or market briefing agents that need a single scalar sentiment signal without scraping external sites. At $0.06 USDC per call it is cost-effective for occasional polling. Prefer alternatives if you need granular per-asset sentiment, social media sentiment analysis, or historical time-series sentiment data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:42:15.475Z","isFirstParty":false,"canonicalSlug":"x402-free-hub-crypto-fear-greed-sentiment-index-6def90fd"}