{"uid":"cap_fnhXAZbkcvqZI9cuRSoo5","slug":"vextorium-market-sentiment-analyzer-a5dcf39a","name":"Vextorium Market Sentiment Analyzer","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/market-sentiment?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","description":"Text to analyse"}}},"responseSchema":{"type":"json","example":{"score":0.7,"reason":"Entradas record en ETF y ruptura de resistencia.","sentiment":"bullish","confidence":0.85,"mentioned_assets":["ETH"]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vtcn-uo2nznxtulBSCIPJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes free-form text to produce a sentiment score, label (bullish/bearish/neutral), confidence, and list of mentioned crypto assets","exampleAgentPrompt":"Analyze the sentiment of this text for me and tell me if it's bullish or bearish, give me a score and confidence, and list any crypto assets mentioned: 'Record ETF inflows and ETH breaking key resistance suggest strong upside momentum heading into the weekend.'","exampleUseCases":[{"title":"Crypto news sentiment triage","prompt":"Is this crypto news bullish or bearish? Score it and tell me why: 'Bitcoin mining stocks fell sharply as hashrate hit all-time highs, compressing margins despite BTC price holding steady.'"},{"title":"Social media post mood check","prompt":"Analyze the sentiment of this tweet and tell me which assets are mentioned and how confident you are: 'ETH flipping resistance to support, whales accumulating — this setup looks historically strong. $ETH $SOL both coiling.'"},{"title":"DeFi protocol announcement parsing","prompt":"What's the market sentiment of this DeFi announcement — bullish, bearish, or neutral — and what's the score? 'Aave v4 launches cross-chain collateral with zero liquidation spread on stablecoins, drawing record TVL in 48 hours.'"}],"resultDescription":"Returns a JSON object with: 'sentiment' (string label such as 'bullish', 'bearish', or 'neutral'), 'score' (float from -1 to 1 or 0 to 1 indicating direction/intensity), 'confidence' (float 0–1), 'reason' (short natural-language explanation), and 'mentioned_assets' (array of ticker or asset name strings found in the text).","failureModes":["Empty or missing 'text' field returns a validation error","Non-financial or ambiguous text may yield low confidence scores","Very short text (e.g. single words) may produce unreliable sentiment labels","Network timeout or payment failure returns no result","Text in languages other than English may produce degraded accuracy"],"whenToPreferThis":"Choose this endpoint when you need structured sentiment signals — score, label, confidence, and asset extraction — from unstructured financial or crypto text in a single pay-per-call request. Prefer it over general-purpose LLM prompting when you need consistent JSON output with numeric scores, or when processing many snippets at a fixed low cost per call ($0.006 USDC). Especially useful for crypto/DeFi-specific sentiment where asset mention extraction is required alongside sentiment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:42:54.813Z","isFirstParty":false,"canonicalSlug":"vextorium-market-sentiment-analyzer-4fd92fb3"}