{"uid":"cap_CBfl9Bsmix9hfkyhuusVE","slug":"orders-of-magnitude-sentiment-analysis-api-862a3afd","name":"Orders of Magnitude Sentiment Analysis API","description":"Data and AI services via x402 payment protocol","url":"https://x402-api-production-5133.up.railway.app/ai/sentiment-analysis","method":"GET","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string"}}},"responseSchema":{"type":"object","properties":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-yPw0DeS6hvHpsvwhTk-Q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes the sentiment of a given text string and returns a sentiment classification, accessible via x402 micropayment protocol","exampleAgentPrompt":"Can you run sentiment analysis on this customer review and tell me if it's positive, negative, or neutral: 'The product arrived quickly but the packaging was completely crushed and the item was broken'?","exampleUseCases":[{"title":"Customer review sentiment scoring","prompt":"Analyze the sentiment of this product review for me: 'Absolutely love this blender — it's powerful, quiet, and easy to clean. Best purchase I've made all year.' Is it positive, negative, or neutral?"},{"title":"Social media comment moderation","prompt":"I need to know the sentiment of this tweet before we respond to it: 'Your customer service team kept me on hold for 45 minutes and then hung up. Never buying from you again.' What's the tone?"},{"title":"Support ticket triage by tone","prompt":"Can you check the sentiment of this support ticket message so I can prioritize it: 'I've been waiting three weeks for my refund and nobody has responded to my emails. I am extremely frustrated.'"}],"resultDescription":"The endpoint returns a JSON object containing the sentiment classification of the input text, likely indicating polarity (positive, negative, neutral) and potentially a confidence score or numeric sentiment value.","failureModes":["Missing or empty 'input' parameter returns a 400 error","Payment not attached or insufficient USDC triggers a 402 Payment Required response","Very long input strings may be truncated or rejected","Non-English text may produce inaccurate or undefined sentiment results","Network timeouts on the Railway-hosted deployment"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-use sentiment classification via the x402 micropayment protocol without a subscription or API key. Ideal for low-volume or on-demand sentiment scoring in crypto-native or agent-based workflows where USDC micropayments are already in use.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:42:34.271Z","isFirstParty":false}