{"uid":"cap_EAyzQkzgA5se5wJLOD8Il","slug":"losbeto-fear-greed-index-63f97fdc","name":"Losbeto Fear & Greed Index","description":"OpenAI-compatible LLM gateway at $0.005/call — change base_url, pay in USDC. Plus pay-per-call market data: multi-oracle price consensus, sentiment, forex, equities, commodities, Brazil macro (BCB/B3) and crypto. No API keys, no accounts. USDC on Base, Solana and Algorand via x402.","url":"https://api.losbeto.xyz/fear-greed","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","properties":{"format":{"type":"string","description":"Response format (json)"}}}}},"output":{"type":"object","properties":{"example":{"type":"object","description":"Is the crowd greedy or fearful right now? The Fear & Greed Index (0-100) at this exact instant, with classification — a point-in-time reading your model's training data cannot contain. [Wrapper over a free public source (https://api.alternative.me/fng/ (public, free)) — you pay for one schema, one payment rail, signed receipts and monitored uptime.]"}}}}},"responseSchema":{"type":"json"},"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_tqkRH7zY10lwbveIztl8v","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 crypto market Fear & Greed index score and sentiment classification via x402 micropayment","exampleAgentPrompt":"What is the current crypto Fear and Greed index — is the market in fear or greed right now?","exampleUseCases":[{"title":"Pre-trade sentiment check","prompt":"Before I make any trades today, tell me where the crypto Fear and Greed index is sitting right now — is the market fearful or greedy?"},{"title":"Daily market mood briefing","prompt":"Give me a quick market mood update — what's the Fear and Greed index reading for crypto today?"},{"title":"Automated sentiment-based trading signal","prompt":"Check the current crypto Fear and Greed index and let me know if we're in extreme fear or extreme greed so I can decide whether to buy or hold."}],"resultDescription":"A JSON response containing the current Fear & Greed index numeric score (typically 0–100) and a sentiment label such as 'Extreme Fear', 'Fear', 'Neutral', 'Greed', or 'Extreme Greed', reflecting current crypto market psychology.","failureModes":["Payment not completed via x402 protocol — returns 402 Payment Required","API server downtime or rate limiting — returns 5xx error","Upstream data provider unavailable — may return stale or empty data","Malformed response if the underlying index source is unreachable"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call crypto market sentiment reading without a subscription, particularly in agentic workflows on Solana or Base that already use USDC micropayments via x402. Useful for trading bots or portfolio agents that need a sentiment gate before executing trades.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:44:36.139Z","isFirstParty":false}