{"uid":"cap_Aa3X3GMkwDKxCsvyZwxdq","slug":"adh-crypto-fear-greed-index-19822a7d","name":"ADH Crypto Fear & Greed Index","description":"ADH 金融情报层：把 239 个原始数据源洗成带实体解析、时间同步、溯源与派生结论的情报（宏观regime / 加密尽调 / 事件窗口），免费注入你的 AI 上下文。Agent 走 x402 结算，人类订阅（PayPal）即将上线。","url":"https://agentdatum.com/api/v1/d/crypto-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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"raw":{"data":[{"date":"2026-08-14","label":"Fear","value":29},{"date":"2026-08-14","label":"Fear","value":29}],"days":90,"latest":{"date":"2026-08-14","label":"Fear","value":29},"avg_30d":27.9,"max_90d":34,"min_90d":8},"source":"alternative.me","data_type":"区块链","collected_at":"2026-08-14T00:43:01Z"}},"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_qvXc7_6tSMXZJzK9yhUaR","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 and historical Crypto Fear & Greed Index (up to 90 days), including daily values, labels, 30-day average, and 90-day min/max.","exampleAgentPrompt":"What's the current crypto fear and greed index — pull the latest value plus the 30-day average and tell me whether the market is in fear or greed right now.","exampleUseCases":[{"title":"Pre-trade crypto sentiment check","prompt":"Before I make any crypto trades today, what's the current fear and greed index and how has it trended over the past 30 days?"},{"title":"Automated daily market briefing","prompt":"Every morning, add the latest crypto fear and greed score and its label to my daily market summary — include the 90-day high and low so I have context."},{"title":"Contrarian buy signal detection","prompt":"Is the crypto market in extreme fear right now? Pull the fear and greed index and tell me if we're near the 90-day low — I use that as a potential buy signal."}],"resultDescription":"Returns a JSON object with: latest date, numeric fear/greed value (0-100), sentiment label (e.g. 'Fear', 'Greed'), an array of up to 90 daily data points (date, value, label), 30-day average, 90-day maximum, 90-day minimum, data source attribution (alternative.me), data type, and collection timestamp.","failureModes":["Payment not settled via x402 — 402 response with payment details required","Upstream alternative.me data unavailable — may return stale or partial dataset","Network timeout if alternative.me API is slow","Malformed response if data collection timestamp is delayed"],"whenToPreferThis":"Choose this endpoint when you need a pre-cleaned, sourced, and contextualized Crypto Fear & Greed time series with 90-day history, 30-day average, and min/max stats in a single call — rather than calling alternative.me directly or scraping it yourself. Ideal for agents building daily briefings, trade signal pipelines, or market sentiment monitors that need reliable provenance metadata alongside the raw numbers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:52:45.785Z","isFirstParty":false}