{"uid":"cap_itFT5Nv3kAKoGfAw-2vTf","slug":"x402stock-crypto-fear-greed-index-9079a4a3","name":"x402stock Crypto Fear & Greed Index","description":"The Crypto Fear & Greed index (0–100) with its rating, alongside the US stock Fear & Greed score for comparison, current BTC and ETH prices with 24h change, and ~90 days of crypto sentiment history. Pass `?days=N` to size the history. The crypto-sentiment companion to /api/v1/fear-greed (stocks). From x402stock, a market & economic data API (x402, USDC).","url":"https://agents.x402stock.xyz/api/v1/fear-greed/crypto?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object","required":["source","as_of","crypto","stock","prices","history"],"properties":{"as_of":{"type":"string"},"stock":{"type":"object","required":["score"],"properties":{"score":{"anyOf":[{"type":"number"},{"type":"null"}]}},"additionalProperties":false},"crypto":{"type":"object","required":["score","rating"],"properties":{"score":{"anyOf":[{"type":"number"},{"type":"null"}]},"rating":{"anyOf":[{"type":"string"},{"type":"null"}]}},"additionalProperties":false},"prices":{"type":"object","propertyNames":{"type":"string"},"additionalProperties":{"type":"object","required":["price","change","change_percent"],"properties":{"price":{"anyOf":[{"type":"number"},{"type":"null"}]},"change":{"anyOf":[{"type":"number"},{"type":"null"}]},"change_percent":{"anyOf":[{"type":"number"},{"type":"null"}]}},"additionalProperties":false}},"source":{"type":"string","const":"x402stock"},"history":{"type":"array","items":{"type":"object","required":["date","score"],"properties":{"date":{"type":"string"},"score":{"anyOf":[{"type":"number"},{"type":"null"}]}},"additionalProperties":false}}},"additionalProperties":false},"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":"1.00","reviews":0,"stars":null,"state":"rated"},"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"},{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SXL9TuVhq7Wbo8PPekZj5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null},{"uid":"pm_l44CuDlDJba2Z6Een4evp","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x20C000000000000000000000b9537d11c60E8b50","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current Crypto Fear & Greed Index score and sentiment label for the cryptocurrency market","exampleAgentPrompt":"What's the current Crypto Fear & Greed Index score right now — is the market in fear or greed territory?","exampleUseCases":[{"title":"Daily crypto sentiment check","prompt":"What's the crypto fear and greed index at right now? I want to know whether the market is in extreme fear, fear, neutral, greed, or extreme greed."},{"title":"Automated trading signal gate","prompt":"Before executing my crypto buy order, check the current fear and greed index — only proceed if the market is in fear or extreme fear territory."},{"title":"Portfolio review mood context","prompt":"Pull the current Crypto Fear & Greed Index so I can add the market sentiment context to my weekly portfolio report."}],"resultDescription":"Returns the current Crypto Fear & Greed Index as a numeric score (0–100) and a corresponding sentiment label (e.g. Extreme Fear, Fear, Neutral, Greed, Extreme Greed), along with a timestamp indicating when the reading was last updated.","failureModes":["Payment failure if USDC balance is insufficient or x402 payment protocol fails","Upstream data provider unavailability returns a 503 or error response","Stale data if the index provider has not updated recently","Invalid or malformed requests may return a 400 error"],"whenToPreferThis":"Use this endpoint when you need a quick, real-time sentiment pulse on the overall cryptocurrency market without constructing your own composite index. Ideal for agents making automated trading decisions, sentiment-gated workflows, or enriching financial reports with market mood context. Prefer this over raw price data endpoints when you need a human-readable sentiment classification rather than numeric price signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":1,"lastUsedAt":"2026-09-02T02:55:27.674Z","lastSuccessfullyRanAt":"2026-09-02T02:55:27.674Z","lastHealthCheckAt":"2026-10-22T07:52:08.856Z","isFirstParty":false,"canonicalSlug":"x402stock-crypto-fear-greed-index-9079a4a3"}