{"uid":"cap_R0PLupPHEKkmBE7KScP9l","slug":"crypto-fear-greed-index-c16b0215","name":"Crypto Fear & Greed Index","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/crypto/crypto-fear-greed-index?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QFCIN5cHs-GlHCebs__LM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","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 and sentiment classification for the broader cryptocurrency market.","exampleAgentPrompt":"What's the current crypto fear and greed index — is the market in fear or greed mode right now?","exampleUseCases":[{"title":"Daily crypto trading sentiment check","prompt":"Before I make any trades today, tell me what the crypto fear and greed index is sitting at right now — is the market fearful or greedy?"},{"title":"Automated market mood monitoring","prompt":"Check the crypto fear and greed index for me and let me know if we're in extreme fear or extreme greed territory."},{"title":"Portfolio rebalancing decision support","prompt":"I'm thinking about adding to my crypto positions — what does the fear and greed index say about current market sentiment?"}],"resultDescription":"Returns a JSON object with the current Fear & Greed Index numeric score (0–100), a sentiment label (e.g. 'Extreme Fear', 'Fear', 'Neutral', 'Greed', 'Extreme Greed'), and typically a timestamp indicating when the reading was recorded.","failureModes":["Upstream data source unavailable — index value not returned","Payment not processed correctly — 402 response with no data","Stale data if underlying provider has not refreshed the index recently","Malformed response if schema parameter is misspecified"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.001 USDC) real-time read of overall crypto market sentiment without needing to sign up for an API key. Ideal for agents automating trading decisions, portfolio rebalancing triggers, or daily sentiment reports. Prefer this over scraping or heavier financial data APIs when only the current sentiment classification and score are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:00.056Z","isFirstParty":false,"canonicalSlug":"crypto-fear-greed-index-c16b0215"}