{"uid":"cap_pcvdzeQE7_sJ43T9uTJlI","slug":"alpha-palmvox-com-b1c2f7ed","name":"Palmvox Crypto Fear & Greed Index","description":"Returns a market fear and greed sentiment index for crypto trading insights.","url":"https://alpha.palmvox.com/api/fear-greed","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","properties":{"bias":{"type":"string"},"index":{"type":"number"},"headline":{"type":"string"},"sentiment":{"type":"string"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"bias":"neutral","index":50,"headline":"","sentiment":"neutral","lastUpdated":"2026-04-22T04:05:40.502Z"}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PZn2tjG3CDXrhxLbUd-VP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current Crypto Fear and Greed Index score, market sentiment label, a news headline, and an actionable bias (risk-on/risk-off/neutral)","exampleAgentPrompt":"What's the current crypto fear and greed index — is the market risk-on, risk-off, or neutral right now?","exampleUseCases":null,"resultDescription":"Returns a JSON object with: a numeric fear/greed index score, a sentiment label (e.g. 'Fear', 'Greed', 'Extreme Fear'), the latest relevant crypto news headline, and an actionable bias string indicating risk-on, risk-off, or neutral market positioning.","failureModes":["Service unavailable or upstream data source unreachable (500 error)","Rate limiting or payment failure via x402 protocol","Stale data if the underlying market data feed has not updated recently"],"whenToPreferThis":"Choose this endpoint when an agent needs a single, cheap, actionable crypto market sentiment signal — especially for Base ecosystem or DeFi trading context — and wants both a quantitative fear/greed score and a qualitative risk bias in one call. At $0.003 USDC it is the lowest-cost sentiment endpoint available on the x402 network.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:27:19.295Z","isFirstParty":false}