{"uid":"cap_ROdy0ZOhBK091wpc3M54W","slug":"prediction-market-sentiment-shift-detector-a6cc0381","name":"Prediction Market Sentiment Shift Detector","description":"Sentiment shift detector for Polymarket/Kalshi: current X score minus last cached score — catch narrative flips between agent polls. Lite discovery price $0.01 (aligns with Bazaar indexes).","url":"https://prediction-bot-iggf.onrender.com/shift?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["q"],"properties":{"q":{"type":"string","maxLength":200,"description":"Polymarket or Kalshi market question in plain words, e.g. 'Will the Fed cut rates in October 2026'"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","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":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sprt8VubQ_P7KJ_00axiv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current sentiment score versus the last cached sentiment score for a given prediction market question, highlighting how sentiment has shifted.","exampleAgentPrompt":"How has sentiment shifted on the 'Will the Fed cut rates in July 2025?' prediction market compared to the last cached reading?","exampleUseCases":[{"title":"Monitor election market sentiment shift","prompt":"Has sentiment changed on the 'Who will win the 2026 midterm elections?' Polymarket question since the last reading?"},{"title":"Track crypto market sentiment momentum","prompt":"Show me how sentiment has shifted for the 'Will Bitcoin hit $100k by end of 2025?' Kalshi market compared to the last cached score."},{"title":"Detect news-driven sentiment change","prompt":"Check if there's been a notable sentiment shift on the 'Will the US enter a recession in 2025?' prediction market question — I want to know if the latest X posts moved the needle."}],"resultDescription":"Returns the current sentiment score for the queried prediction market question alongside the previously cached sentiment score, allowing the caller to see the magnitude and direction of sentiment change between the two readings.","failureModes":["Missing required query parameter 'q' returns an error","Unrecognized or malformed market question may return null or empty scores","No cached score available if question is new or never previously queried","Service cold start on Render.com may cause latency or timeout","Question text not matching any Polymarket or Kalshi market returns no data"],"whenToPreferThis":"Choose this endpoint when you specifically need to understand how sentiment has *changed* over time for a prediction market question, rather than just the raw current score. It is best when you want to detect momentum, reversals, or news-driven sentiment shifts on Polymarket or Kalshi markets based on X (Twitter) activity.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:38:53.195Z","isFirstParty":false,"canonicalSlug":"prediction-market-sentiment-shift-detector-a6cc0381"}