{"uid":"cap_IpuT_NUBqHEUbFd7q3quS","slug":"survey-sentiment-analysis-aspect-scorer-cb03fbc6","name":"Survey Sentiment Analysis & Aspect Scorer","description":"817 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC over x402 on Base and Solana — no signup, no API key, just pay-per-call. GET https://x402.agentutility.ai/ returns the same catalog as machine-readable JSON.","url":"https://x402.agentutility.ai/survey-sentiment-analysis?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["text"],"properties":{"text":{"type":"string","description":"Text to analyze. Max 12,000 chars."},"aspects":{"type":"array","description":"Optional. Up to 15 aspect names (e.g. 'food', 'service') to score individually alongside overall sentiment."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"overall_score":{"type":"number"},"overall_sentiment":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"overall_score":0.12,"overall_sentiment":"mixed"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_RGvi3sPx3MxQRREPKPH6D","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scores open-ended survey text by overall sentiment and optionally by named aspects or themes, returning a numeric score and sentiment label.","exampleAgentPrompt":"Score the sentiment of this NPS verbatim and break it down by 'food', 'service', and 'value' aspects: 'The burger was amazing but we waited 25 minutes and the prices felt steep for a fast-casual spot.'","exampleUseCases":[{"title":"NPS Verbatim Classifier","prompt":"I've got this NPS detractor comment — can you score the overall sentiment and also break it down by 'product quality', 'support', and 'pricing'? Here's the text: 'The software crashes constantly and support took three days to respond, though at least the price is reasonable.'"},{"title":"Restaurant Review Aspect Scoring","prompt":"Analyze the sentiment of this customer review and score it separately for 'food', 'service', 'ambiance', and 'value': 'The pasta was incredible but our waiter disappeared for 20 minutes and the lighting was way too dim for the price we paid.'"},{"title":"Employee Engagement Survey Analysis","prompt":"Score the overall sentiment of this employee survey response and give me individual scores for 'work-life balance', 'management', and 'career growth': 'My manager is super supportive and I feel like I'm growing, but the hours have been brutal lately and I'm burning out.'"}],"resultDescription":"Returns a JSON object with an overall_score (numeric, likely -1 to 1) and overall_sentiment label (e.g. 'positive', 'negative', 'mixed'). When aspects are provided, individual aspect scores and sentiment labels are also returned per aspect.","failureModes":["Text exceeds 12,000 character limit — request rejected","More than 15 aspects supplied — may be truncated or rejected","Empty or missing 'text' field — validation error","Malformed JSON body — 400 error","Payment not included or insufficient — 402 payment required"],"whenToPreferThis":"Use this endpoint when you need to quantify the sentiment of survey free-text responses or NPS verbatims, especially when you want granular aspect-level scores (e.g. 'food', 'service', 'pricing') alongside an overall score. Prefer it over generic sentiment APIs when your use case is explicitly survey or feedback research scoring with multi-aspect decomposition.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:47:15.496Z","isFirstParty":false,"canonicalSlug":"survey-sentiment-analysis-aspect-scorer-cb03fbc6"}