{"uid":"cap_XWRtSHmSVGe9N5v2UWVds","slug":"basebuilder-sentiment-flash-api-flashapi1-6371d724","name":"BaseBuilder Sentiment Flash API (flashapi1)","description":"BaseBuilder Sentiment API hub - 14 paid endpoints","url":"https://bb-sentiment.vercel.app/api/flashapi1?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.099914","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":"$0.099914/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.099914","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.099914","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oMnk4f7y1daAJZKj0xtj5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.099914","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs sentiment analysis on text input via a paid API endpoint using the BaseBuilder Sentiment hub","exampleAgentPrompt":"Classify this customer review as positive, negative, or neutral and give me a confidence score: 'The product arrived quickly but the packaging was completely crushed and the item was broken.'","exampleUseCases":[{"title":"Triage customer support tickets by sentiment","prompt":"Go through these support emails and flag which ones sound angry or frustrated so I can prioritize the upset customers first."},{"title":"Monitor social media brand reputation","prompt":"Check the sentiment of these recent tweets mentioning our brand and let me know if we're getting more positive or negative reactions overall."},{"title":"Score product feedback in bulk","prompt":"I've got a batch of user reviews from our app store — analyze the sentiment of each one and show me which are genuinely happy customers versus complaints."}],"resultDescription":"Returns a sentiment classification (positive, negative, neutral) along with a confidence or polarity score for the provided text input","failureModes":["Missing or empty text input returns a 400 bad request","Insufficient payment or expired x402 token returns a 402 payment required","Oversized text payload may exceed endpoint limits and return a 413 or error","Service unavailability on Vercel hosting returns a 500 or 503","Malformed JSON body returns a parsing error"],"whenToPreferThis":"Use this endpoint when you need fast, pay-per-call sentiment classification without a subscription — ideal for sporadic or low-volume text sentiment tasks where you want to avoid committing to a monthly plan. Best suited for agentic workflows that already support x402 micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T07:42:28.357Z","isFirstParty":false,"canonicalSlug":"basebuilder-sentiment-flash-api-flashapi1-6371d724"}