{"uid":"cap_aR1GdiwW6KXVdgXxTK2uN","slug":"coinopselect-sentiment-score-api-b1a8fe61","name":"CoinOpSelect Sentiment Score API","description":"Paid on-chain token, wallet, contract and research data over x402 on Base.","url":"https://coinop.publicvm.com/api/v1/sentiment/score?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string"},"method":{"type":"string"},"queryParams":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Text to score"}}}}},"output":{"type":"object","properties":{"query":{"type":"string"},"result":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"query":"sentiment-score","result":{}}},"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_0aICXXK7yvpJzwaaWs1mQ","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":"Scores the sentiment of a given text string, returning a sentiment result via a pay-per-call x402 on-chain payment on Base.","exampleAgentPrompt":"Can you score the sentiment of this text: 'Bitcoin just hit a new all-time high and the market is showing massive bullish momentum' — I want to know if it reads as positive, negative, or neutral.","exampleUseCases":[{"title":"Crypto news sentiment check","prompt":"Score the sentiment of this headline for me: 'SEC delays ETF decision again amid regulatory uncertainty' — is it bearish or bullish?"},{"title":"Social media tone analysis","prompt":"I just drafted this tweet: 'Our new product launch exceeded all expectations and the community response has been incredible!' — can you tell me what sentiment score it gets before I post it?"},{"title":"Customer review tone classification","prompt":"Analyze the sentiment of this customer feedback: 'The onboarding was confusing and support took three days to respond' — is it coming across as negative?"}],"resultDescription":"Returns a JSON object with a 'query' field set to 'sentiment-score' and a 'result' object containing the sentiment analysis output for the submitted text. The result object structure may include a score or classification indicating the positive, negative, or neutral tone of the input text.","failureModes":["Missing 'text' query parameter causes a 400 or empty result","Payment failure via x402 if wallet has insufficient USDC on Base","Empty or overly long text may return empty result object","Network or server errors on publicvm.com hosting returning 5xx","Ambiguous or non-English text may yield unreliable sentiment scoring"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call sentiment score for arbitrary text without setting up a subscription or API key — especially useful in crypto/on-chain agent workflows where you want to pay $0.01 USDC per query via x402 on Base. Prefer it when you are already operating within the CoinOpSelect data ecosystem and need lightweight text sentiment as part of a broader token or market research pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:19:29.150Z","isFirstParty":false,"canonicalSlug":"coinopselect-sentiment-score-api-b1a8fe61"}