{"uid":"cap_KS8iKLENJ489-byIkqKHz","slug":"crypto-market-sentiment-fear-greed-news-bad83650","name":"Crypto Market Sentiment (Fear & Greed + News)","description":"Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.","url":"https://api.agentstools.dev/crypto/sentiment","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"coin":{"type":"string","description":"Focus news sentiment on a coin by ticker or name (BTC, ETH, ...); F&G is market-wide"},"query":{"type":"string","description":"Free-text filter for the news-sentiment component"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bAiBJEnv_3M60A6ynIggS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a composite crypto market sentiment score blending the Fear & Greed index with aggregated news-headline sentiment, optionally focused on a specific coin or query.","exampleAgentPrompt":"What's the current overall crypto market sentiment — give me the Fear & Greed index blended with news headline sentiment, and break it down specifically for ETH.","exampleUseCases":null,"resultDescription":"A composite sentiment object including the Fear & Greed index value and classification (e.g. 'Extreme Fear', 'Greed'), its trend direction, aggregated news headline sentiment scores, and a single combined bullish/bearish/neutral label — optionally scoped to a specific coin or query filter.","failureModes":["Invalid or unrecognized coin ticker returns empty or generic market-wide result","Upstream alternative.me API unavailable causes Fear & Greed component to fail","RSS feed parsing errors may degrade news sentiment component","No matching news headlines for a very specific query may return neutral sentiment by default","Rate limiting or payment failure returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need a single, synthesized sentiment signal combining both the well-known Fear & Greed index and real-time news headline sentiment into one score — especially when you want a quick bullish/bearish/neutral read on the overall crypto market or a specific coin without having to aggregate multiple data sources yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:57:46.223Z","isFirstParty":false}