{"uid":"cap_HOD-vmk6oOqe5kMBeVqO3","slug":"crypto-fear-greed-index-ec325b78","name":"Crypto Fear & Greed Index","description":"Crypto Fear & Greed Index (0-100) with classification. Data source: Alternative.me (attribution included in the response).","url":"https://api.vextorium.com/fear-greed-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":[],"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"aviso":{"type":["string","null"]},"fecha":{"type":["string","null"]},"valor":{"type":["number","null"]},"fuente":{"type":["string","null"]},"clasificacion":{"type":["string","null"]}}}}}}},"responseSchema":{"type":"json","example":{"fecha":"1789257600","valor":61,"fuente":"Alternative.me Crypto Fear & Greed Index","clasificacion":"Greed"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_fs1J-dnKRuh1t041Uu8SW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 & Greed Index value (0-100) with its sentiment classification, sourced from Alternative.me","exampleAgentPrompt":"What's the current crypto Fear & Greed Index — give me the number and its classification so I know if the market is in extreme fear or greed right now.","exampleUseCases":[{"title":"Daily crypto market sentiment check","prompt":"What is today's crypto Fear & Greed Index score and what does it mean — is the market in fear, greed, or something else?"},{"title":"Trading signal based on sentiment","prompt":"Before I make a buy decision, tell me the current Fear & Greed Index value and its classification so I can see if the market is oversold in fear territory."},{"title":"Automated sentiment monitoring alert","prompt":"Check the current crypto Fear & Greed Index and let me know if it's in extreme fear or extreme greed so I can act on the contrarian signal."}],"resultDescription":"Returns a JSON object with: a numeric value (0-100) representing market sentiment, a classification label (e.g. 'Extreme Fear', 'Fear', 'Neutral', 'Greed', 'Extreme Greed'), the date of the reading, the data source attribution (Alternative.me), and an optional notice/aviso field.","failureModes":["Upstream Alternative.me data unavailable — index value may be null","Network timeout connecting to data source","Stale or delayed data if upstream provider hasn't updated","Malformed request body causing 400 error"],"whenToPreferThis":"Use this endpoint when you need a simple, real-time scalar sentiment indicator for the overall crypto market. Prefer this over custom sentiment analysis when you want the widely-recognized Alternative.me Fear & Greed Index specifically, or when you need a quick contrarian signal for crypto trading decisions without building your own data pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:42:14.273Z","isFirstParty":false,"canonicalSlug":"crypto-fear-greed-index-ec325b78"}