{"uid":"cap_gLxiuu_pPDh6KCxAKIFfJ","slug":"crypto-fear-greed-index-current-market-sentiment-score-75343ad9","name":"Crypto Fear & Greed Index — Current Market Sentiment Score","description":"Crypto Fear & Greed index — the current market-sentiment score (0-100) and its label (Extreme Fear … Extreme Greed), as a clean snake_case envelope.","url":"https://perpsignals.use.x402atlas.com/fear-greed","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"as_of":"2026-07-01T00:00:00Z","label":"Extreme Fear","value":19,"queried_at":"2026-07-01T12:00:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zNOQHDBFEnHuC_oO0H0GN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","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 score (0–100) and its sentiment label (e.g. Extreme Fear, Greed) in a snake_case JSON envelope.","exampleAgentPrompt":"What's the current crypto fear and greed index score right now — is the market in fear or greed, and what's the exact number?","exampleUseCases":[{"title":"Check crypto market sentiment now","prompt":"What's the current crypto market sentiment — is it fear or greed, and what's the exact score on the index right now?"},{"title":"Time a crypto entry point","prompt":"Before I buy more ETH, can you check the fear and greed index for me? I want to know if the market is in extreme fear so I can consider it a good entry point."},{"title":"Daily crypto sentiment briefing","prompt":"Give me a quick morning briefing on crypto sentiment — what's the fear and greed index sitting at today, and what label is it showing?"}],"resultDescription":"A snake_case JSON object containing the current Fear & Greed index value (integer 0–100) and a human-readable sentiment label such as 'Extreme Fear', 'Fear', 'Neutral', 'Greed', or 'Extreme Greed'.","failureModes":["Upstream data source unavailable — may return 502 or empty payload","Stale data if the index provider has not refreshed — score may lag real-time conditions","Payment failure (402) if USDC balance is insufficient or x402 header is malformed"],"whenToPreferThis":"Use this endpoint when you need a single, clean, up-to-date snapshot of the Crypto Fear & Greed index score and label — especially within a crypto trading or perpetual-futures workflow alongside sibling endpoints for funding rates and trading pairs. Prefer over general market sentiment APIs when you need the standardized 0–100 Fear & Greed scale specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:31:41.661Z","isFirstParty":false}