{"uid":"cap_A7qZBbGAUEVYr4XSpgV3F","slug":"crypto-fear-greed-index-with-market-timing-ef63ceb9","name":"Crypto Fear & Greed Index with Market Timing","description":"Crypto Fear & Greed index with a market-timing trend: current value and classification, 7-day and 30-day deltas, streak in the current regime, 30-day min and max, and a contrarian flag on extreme fear or greed. Keyless.","url":"https://api.agentstools.dev/timing/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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"asset":{"enum":["btc","eth"],"type":"string","description":"Asset key (default btc). AHR999 is Bitcoin-only; Mayer/200WMA/Pi-Cycle are asset-agnostic."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_qQeIkAmoEKfLlF08Og4vS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","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, classification, 7-day and 30-day deltas, current regime streak, 30-day min/max, and a contrarian signal flag for extreme readings.","exampleAgentPrompt":"What's the current crypto Fear & Greed index for Bitcoin — is it in extreme fear or greed, how has it trended over the past 30 days, and is there a contrarian signal right now?","exampleUseCases":[{"title":"Contrarian buy signal detection","prompt":"Check the Bitcoin Fear & Greed index and let me know if we're in extreme fear territory right now — I want to know if the contrarian flag is triggered and how long we've been in this regime."},{"title":"Weekly sentiment trend report","prompt":"Pull the current Fear & Greed index for Bitcoin and tell me how it's changed over the past 7 and 30 days — I'm writing my weekly crypto market update."},{"title":"30-day sentiment range review","prompt":"What were the highest and lowest Fear & Greed readings for Bitcoin over the past 30 days, and where does the current reading sit relative to that range?"}],"resultDescription":"Returns the current Fear & Greed index value and its textual classification (e.g. 'Fear', 'Extreme Greed'), the 7-day and 30-day point deltas, the number of consecutive days in the current sentiment regime (streak), the 30-day minimum and maximum values, and a boolean contrarian flag indicating whether conditions of extreme fear or extreme greed suggest a potential market reversal signal.","failureModes":["Unsupported asset key returns an error (only 'btc' and 'eth' are valid)","Upstream data source outage may return stale or missing data","Payment not included or invalid results in 402 Payment Required","Malformed query parameters return a 400 error"],"whenToPreferThis":"Choose this endpoint when you need a pre-computed, multi-dimensional sentiment dashboard for crypto — not just a raw index number, but trend context (7-day and 30-day deltas), regime persistence (streak), historical range (30-day min/max), and a ready-made contrarian signal flag. Ideal for agents making timing-aware trading or reporting decisions without needing to compute derivatives themselves. Prefer this over raw index feeds when the agent needs actionable context, not just a snapshot.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:32:50.205Z","isFirstParty":false}