{"uid":"cap_rgVou5YzO3Gt4sQXIMNvH","slug":"agentdata-api-crypto-sentiment-analysis-endpoint-d3857b9c","name":"AgentData API — Crypto Sentiment Analysis Endpoint","description":"Pay-per-request crypto market data API for AI agents. 16 endpoints on Base Mainnet via x402 protocol. No accounts, no API keys. USDC micropayments from $0.001. Works with Claude Desktop, ElizaOS, and any MCP client.","url":"https://agentdata-api.com/api/sentiment?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"data":{"type":"object","properties":{"fearGreedIndex":{"type":"object"},"compositeSentiment":{"type":"object"},"fundingBasedSentiment":{"type":"number"}}},"success":{"type":"boolean"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-9fA0SVqh91T7UQIvrLSr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns sentiment data for cryptocurrency assets, aggregating market mood signals for AI agent consumption via x402 micropayment protocol on Base Mainnet","exampleAgentPrompt":"What's the current market sentiment for Bitcoin and Ethereum — are traders bullish or bearish on them right now?","exampleUseCases":[{"title":"Sentiment check before trade execution","prompt":"Before my bot places a buy order on Solana, can you pull the latest sentiment signal for SOL — is the market feeling bullish or bearish right now?"},{"title":"Daily crypto mood briefing","prompt":"Give me a quick sentiment rundown on Bitcoin, Ethereum, and DOGE for today — I want to know if the overall market mood is positive or negative before I review my portfolio."},{"title":"Altcoin sentiment scan for opportunities","prompt":"Can you check the current sentiment scores for some of the top altcoins right now? I'm looking for any that are showing strong bullish signals I should pay attention to."}],"resultDescription":"Returns sentiment scores and directional signals (bullish/bearish/neutral) for the requested cryptocurrency asset, likely including a numeric sentiment score, label, and possibly source or confidence data. Delivered as JSON after USDC micropayment settlement on Base Mainnet.","failureModes":["Payment failure — insufficient USDC balance or x402 protocol error","Unsupported asset — token symbol not recognized in the data set","Rate limit — excessive concurrent requests","Stale data — sentiment may lag real-time market moves","Network error — Base Mainnet connectivity issues during payment settlement"],"whenToPreferThis":"Choose this endpoint when an AI agent needs real-time or near-real-time crypto sentiment data without setting up API keys or account subscriptions. Ideal for autonomous agents that can settle USDC micropayments on Base Mainnet via x402, and need sentiment signals to inform trading decisions, portfolio monitoring, or market commentary. Best when cost-per-call efficiency matters and the agent already operates within the x402 ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T19:13:13.396Z","isFirstParty":false,"canonicalSlug":"agentdata-api-crypto-sentiment-analysis-endpoint-d3857b9c"}