{"uid":"cap_3XIwRDs_dzX7xgLJxDaLj","slug":"hydratrader-ai-sentiment-analysis-x402-0c4f3610","name":"HydraTrader AI Sentiment Analysis (x402)","description":"Sentiment classification: Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task=sentiment when body.task omitted. Cheap agent glue for buyer-supplied text. Base via x402. No API key.","url":"https://x402.hydratrader.ai/v1/sentiment?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"task":{"enum":["summarize","rewrite","classify","extract_keywords","sentiment","translate"],"type":"string"},"input":{"type":"string","maxLength":8000},"options":{"type":"object"},"client_ref":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.50","reviews":0,"stars":null,"state":"rated"},"availabilityStatus":"healthy","priceObserved":{"p10Cents":"1.0000","medianCents":"1.0000","p90Cents":"1.0000","minCents":"1.0000","maxCents":"1.0000","p95Cents":"1.0000","sampleCount":1,"varies":false,"failureChargeRate":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_u_QJlPSwjv4x5vf2Xiogz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Classifies the sentiment of a given text input, returning a sentiment label via a pay-per-call x402 micropayment API with no API key required.","exampleAgentPrompt":"Can you analyze the sentiment of this customer review and tell me if it's positive, negative, or neutral: 'The product arrived quickly and works perfectly, but the packaging was a bit damaged.'","exampleUseCases":[{"title":"Customer review sentiment triage","prompt":"I have a batch of customer feedback messages — can you classify this one as positive, negative, or neutral? Here's the text: 'I've been waiting three weeks for my order and no one responds to my emails. Absolutely furious.'"},{"title":"Social media monitoring for brand tone","prompt":"Can you tell me the sentiment of this tweet about our brand: 'Just switched to @BrandX and honestly can't believe how smooth the onboarding was. Totally worth it!'"},{"title":"Support ticket emotional escalation detection","prompt":"Analyze the sentiment of this support ticket so I know how urgently to escalate it: 'This is the fourth time I've had to contact support for the same issue. I'm seriously considering canceling my subscription.'"}],"resultDescription":"Returns a sentiment classification for the submitted text — typically a label such as positive, negative, or neutral, along with any confidence or metadata provided by the underlying model. The response reflects the emotional polarity of the input string.","failureModes":["HTTP 402 returned if payment is not included or fails","Input text exceeds 8000 character limit causes rejection","Missing or empty 'input' field results in an error","Invalid task enum value causes a bad request response","Network timeout if the model inference takes too long"],"whenToPreferThis":"Choose this endpoint when you need sentiment classification without managing API keys or subscriptions, and are comfortable paying $0.01 USDC per call via the x402 micropayment protocol. Ideal for agents that need on-demand, pay-as-you-go NLP without vendor lock-in. Best suited for single-text sentiment tasks rather than bulk batch processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":2,"lastUsedAt":"2026-09-24T19:10:16.449Z","lastSuccessfullyRanAt":"2026-09-24T19:10:16.449Z","lastHealthCheckAt":"2026-10-01T14:29:41.537Z","isFirstParty":false,"canonicalSlug":"hydratrader-ai-sentiment-analysis-x402-0c4f3610"}