{"uid":"cap_6w0j7aMdE-5R2QvfYAVBO","slug":"crypto-fear-greed-index-734a83a8","name":"Crypto Fear & Greed Index","description":"Crypto Fear & Greed index snapshot. No parameters.","url":"https://earn-pulse.haiqingm58.workers.dev/fng","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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eiazwC7kmoh9wZtBeqhYo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 snapshot, providing a sentiment score and label for the cryptocurrency market.","exampleAgentPrompt":"What's the current crypto Fear & Greed Index? Give me the score and sentiment label right now.","exampleUseCases":[{"title":"Pre-trade sentiment check for crypto","prompt":"Before I make any trades today, tell me where the crypto Fear & Greed Index is sitting — is the market in fear or greed territory?"},{"title":"Automated DeFi strategy trigger","prompt":"Check the current Fear & Greed score for crypto and let me know if it's below 25 so I can consider going long."},{"title":"Daily crypto market briefing","prompt":"What's today's Crypto Fear & Greed reading? Include the score and what sentiment zone we're in."}],"resultDescription":"Returns the current Fear & Greed Index value (0–100) and a corresponding sentiment label (e.g. 'Extreme Fear', 'Fear', 'Neutral', 'Greed', 'Extreme Greed'), likely including a timestamp of the last update.","failureModes":["Upstream data source unavailable — returns 5xx error","Stale data if the upstream Fear & Greed provider has not updated recently","Payment not fulfilled (x402 payment required before data is returned)","Network timeout on the Cloudflare Worker edge node"],"whenToPreferThis":"Choose this endpoint when you need a quick, real-time snapshot of aggregate crypto market sentiment without any filtering or parameterization. It is ideal for agents building market dashboards, pre-trade decision logic, or daily briefings that incorporate sentiment alongside price data. Prefer this over scraping news sentiment tools when you want a single canonical numeric sentiment index rather than qualitative analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:50:25.418Z","isFirstParty":false}