{"uid":"cap_zQwGf7M0uZuPDiumgU9qh","slug":"agentutility-app-review-sentiment-analyzer-3d16ede4","name":"AgentUtility App Review Sentiment Analyzer","description":"Paid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.","url":"https://x402.agentutility.ai/app-review-sentiment","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":{"confidence":{"type":"number"},"overall_score":{"type":"number"},"overall_sentiment":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"confidence":0.87,"overall_score":-0.28,"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_zHKd3h-Halw3ZAagSnHAU","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":"Analyzes app store reviews to produce an overall sentiment score, confidence, and sentiment label (positive/negative/mixed).","exampleAgentPrompt":"Analyze the sentiment of this app store review and tell me the overall score, whether it's positive, negative, or mixed, and how confident you are: 'The UI is beautiful but the app crashes constantly and support never responds.'","exampleUseCases":null,"resultDescription":"Returns a JSON object with: overall_sentiment (string label such as 'positive', 'negative', or 'mixed'), overall_score (float between -1 and 1 indicating sentiment polarity), and confidence (float 0–1 indicating model certainty).","failureModes":["Empty or missing review text returns a 400 error","Payment failure or insufficient USDC balance returns 402","Extremely short or ambiguous review text may yield low confidence scores","Non-English review text may reduce accuracy or return unexpected sentiment labels","Rate limiting or server overload may return 429 or 503"],"whenToPreferThis":"Use this endpoint when you need a fast, pay-per-call sentiment classification specifically tuned for app store review language, with a numeric polarity score and confidence metric. Prefer this over general-purpose sentiment APIs when you want USDC micropayment billing and MCP-native agent compatibility without subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:12:59.195Z","isFirstParty":false}