{"uid":"cap_vZBVClbktK6clMAxZXHXi","slug":"apexapi-ai-sentiment-analysis-04ee0080","name":"ApexAPI AI Sentiment Analysis","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/ai/sentiment","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.122078","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":"$0.122078/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.122078","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.122078","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lCVgv_vHcQrCfOFQkv-ph","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.122078","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 or search query, returning a sentiment classification (positive, negative, or neutral) with confidence signals.","exampleAgentPrompt":"Can you analyze the sentiment of this customer review and tell me if it's positive, negative, or neutral: 'The product arrived quickly but the packaging was damaged and customer support was unhelpful.'","exampleUseCases":null,"resultDescription":"Returns a structured JSON object containing a sentiment label (e.g. positive, negative, neutral) and likely a confidence or score value for the analyzed text query.","failureModes":["Empty or missing query field returns a validation error","Extremely long input text may be truncated or rejected","Ambiguous or mixed-language text may yield low-confidence or unexpected results","Payment failure in USDC on Base returns 402 status","Rate limiting or server overload may return 429 or 503"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call sentiment classification without managing API keys or subscriptions, particularly in agentic workflows on Base using USDC micropayments. Suitable for single-query sentiment checks on product reviews, social media posts, or any short text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:34:17.730Z","isFirstParty":false}