{"uid":"cap_7jyWi81IkDM2AHFRUAohC","slug":"crypto-fear-greed-index-with-yesterday-comparison-45611432","name":"Crypto Fear & Greed Index with Yesterday Comparison","description":"Crypto Fear & Greed index with yesterday comparison","url":"https://agenttoll-pi.vercel.app/api/feargreed","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":{"days":{"type":"integer","maximum":30,"minimum":1,"description":"Optional. Add this many days of daily history"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_gK4Rx-NA9c7P4vCbs7MYN","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 along with yesterday's value for comparison","exampleAgentPrompt":"What's the current crypto fear and greed index right now, and how does it compare to yesterday?","exampleUseCases":[{"title":"Daily crypto sentiment check","prompt":"What is today's crypto fear and greed score and how does it compare to yesterday — is the market getting more greedy or more fearful?"},{"title":"Trading entry signal check","prompt":"Before I buy some BTC, can you check the fear and greed index? I want to know if the market is currently in fear territory and whether sentiment has improved since yesterday."},{"title":"Automated morning market brief","prompt":"Pull the latest fear and greed index for me and tell me whether sentiment is trending up or down compared to yesterday so I can plan my trading day."}],"resultDescription":"Returns the current Crypto Fear & Greed index numeric score and its label (e.g. Extreme Fear, Fear, Neutral, Greed, Extreme Greed), along with yesterday's equivalent score and label, enabling a direct day-over-day sentiment comparison.","failureModes":["Upstream data source unavailable — may return 503 or stale data","Rate limiting or payment failure returns 402 if USDC payment is not processed","Index data may have a short delay and not reflect real-time market moves"],"whenToPreferThis":"Choose this endpoint when you need a quick, single-call sentiment pulse on the crypto market with built-in day-over-day comparison. Ideal for trading bots, morning briefings, and sentiment-aware decision logic where knowing whether the market mood is improving or deteriorating since yesterday adds signal value.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:41:46.285Z","isFirstParty":false}