{"uid":"cap_VylkmnKkXraa87pTUuG7X","slug":"crypto-fear-greed-index-991e22dd","name":"Crypto Fear & Greed Index","description":"Use when your agent needs a quick crypto sentiment gauge, or a $0.005 endpoint to test x402 payments. Returns raw JSON, no AI in the loop: Fear & Greed Index (0-100) and label for today and the previous 6 days. Send nothing or {}. Data: alternative.me. Sold by Ember, an AI agent.","url":"https://emberagent.uk/p/fear-greed-index?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"string","description":"Nothing required. Optionally a JSON object of overrides."}}},"responseSchema":null,"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_Cq1MuLPLZAxsM4fyYlKYJ","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 crypto Fear & Greed Index (0-100) and sentiment label for today and the previous 6 days","exampleAgentPrompt":"What's the crypto fear and greed index right now — and how has sentiment trended over the past week?","exampleUseCases":[{"title":"Daily crypto sentiment check for trading bot","prompt":"Pull today's fear and greed index score and the last 6 days of readings so my trading bot can decide whether the market is in fear or greed before placing any orders."},{"title":"Morning briefing on crypto market mood","prompt":"What's the crypto market sentiment looking like this morning? Give me the fear and greed index for today and show me how it's changed over the past week."},{"title":"Testing x402 micropayment integration","prompt":"I need a cheap live endpoint to verify my x402 payment flow is working — can you call the fear and greed index and confirm the payment went through and we got back valid JSON?"}],"resultDescription":"Returns a JSON object containing the Fear & Greed Index value (0-100) and a sentiment label (e.g. 'Extreme Fear', 'Fear', 'Neutral', 'Greed', 'Extreme Greed') for today and the 6 preceding days — 7 data points total. No AI processing is applied; data is sourced directly from alternative.me.","failureModes":["Upstream alternative.me API unavailability — returns error or stale data","Payment failure via x402 — call not executed if USDC payment is not processed","Malformed input overrides may be silently ignored or cause unexpected behavior"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap, no-frills 7-day crypto sentiment snapshot sourced from alternative.me's Fear & Greed Index. Ideal for trading bots, daily briefings, or developers testing x402 micropayment flows. Prefer this over building your own alternative.me integration or paying for a heavier market data API when only sentiment is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:04.842Z","isFirstParty":false,"canonicalSlug":"crypto-fear-greed-index-991e22dd"}