{"uid":"cap_Q9_haitJhJUu8LuQ_d41Q","slug":"nexusapi-ai-sentiment-analysis-b6d47aeb","name":"NexusAPI AI Sentiment Analysis","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-virid.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":"0.062018","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":"$0.062018/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.062018","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.062018","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-H5KU2nHXimC5b-RRhzcn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.062018","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 and returns a sentiment classification with scoring","exampleAgentPrompt":"Can you analyze the sentiment of this customer review and tell me whether it's positive, negative, or neutral: 'The product arrived on time but the packaging was damaged and customer support was unhelpful'?","exampleUseCases":[{"title":"Customer review sentiment scoring","prompt":"Analyze the sentiment of this product review and tell me if it's positive, negative, or neutral: 'Great build quality but the battery life is disappointing and the price feels too high.'"},{"title":"Social media post tone detection","prompt":"What's the overall sentiment of this tweet? 'Can't believe how smoothly the new software update went — everything just works now, super impressed!'"},{"title":"Brand monitoring feedback classification","prompt":"Is the sentiment in this support ticket positive, negative, or neutral: 'I've been waiting three weeks for a resolution and nobody has gotten back to me — this is completely unacceptable.'"}],"resultDescription":"Returns a sentiment classification (e.g. positive, negative, neutral) along with associated scoring or confidence metrics for the provided text input","failureModes":["Empty or missing query field returns a validation error","Extremely long text inputs may be truncated or fail","Ambiguous or very short inputs may produce low-confidence or unreliable sentiment scores","Non-English text may return incorrect or unsupported sentiment results","Service downtime on Vercel hosting may cause 502 or 503 errors"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call sentiment classification without managing API keys or subscriptions — ideal for agents that process occasional text inputs and want to avoid committing to a fixed-cost NLP platform. Best suited for English-language text sentiment tasks where a simple positive/negative/neutral classification is sufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:47:26.740Z","isFirstParty":false}