{"uid":"cap_23rO6Xcz_ccJi4u5slQz0","slug":"crypto-sentiment-endpoint-x402-micropayment-48013212","name":"Crypto Sentiment Endpoint (x402 Micropayment)","description":"X402 micropayments server — AI agents pay USDC for OFAC screening, rates, and billing verification.","url":"https://x402helper.xyz/89e509/crypto/sentiment-nm?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","required":[],"properties":{"coin":{"type":"string","default":null}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"result":{},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zdsSm0gAeXL_373Z0N5F4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns sentiment analysis for a specified cryptocurrency, accessible via USDC micropayment using the x402 payment protocol.","exampleAgentPrompt":"What's the current market sentiment for Bitcoin? Use the paid crypto sentiment API and charge the USDC micropayment automatically.","exampleUseCases":[{"title":"Pre-trade sentiment check for crypto","prompt":"Before I buy any Ethereum, can you check the current market sentiment for ETH and tell me if it's positive or negative?"},{"title":"Monitoring bearish signals on altcoins","prompt":"I'm watching Solana — can you pull the latest sentiment score for SOL so I know if the mood is shifting bearish?"},{"title":"Comparing sentiment across top coins","prompt":"Can you grab the sentiment reading for Dogecoin and let me know whether the market is feeling bullish, bearish, or neutral on it right now?"}],"resultDescription":"A JSON object containing a 'success' boolean and a 'result' object with the sentiment data for the queried cryptocurrency, such as overall sentiment direction or score.","failureModes":["Missing or invalid 'coin' query parameter returns empty or error result","Insufficient USDC balance causes x402 payment failure and no data returned","Unsupported coin symbol may return empty result object","Network or provider downtime returns non-200 or failed response","Malformed request (wrong HTTP method) returns protocol error"],"whenToPreferThis":"Choose this endpoint when you need rapid, pay-per-call cryptocurrency sentiment data without a subscription, especially within an autonomous agent workflow that supports x402 USDC micropayments. It is best suited for lightweight, real-time sentiment lookups on individual coins where cost per call matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-07T06:47:06.210Z","isFirstParty":false,"canonicalSlug":"crypto-sentiment-endpoint-x402-micropayment-48013212"}