{"uid":"cap_Pb1Hg7-oBMEaTGcd-_ZMg","slug":"confidence-signal-api-68167038","name":"Confidence Signal API","description":"Prediction-market signals above a confidence threshold. x402-gated.","url":"https://puresignal402.xyz/v1/signals","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"asset":{"type":"string","description":"BTC, ETH, SOL, or 'all'"},"category":{"type":"string","description":"crypto, macro, politics, weather, sports, tech, all"},"platform":{"type":"string","description":"kalshi, polymarket, or 'all'"},"min_confidence":{"type":"number"},"max_ttl_seconds":{"type":"string","description":"Drop signals settling further out than this. Default 86400 (24h)."},"min_ttl_seconds":{"type":"string"}}},"responseSchema":{"type":"object","title":"SignalsResponse","required":["count","poll_timestamp","signals"],"properties":{"count":{"type":"integer","title":"Count"},"signals":{"type":"array","items":{"type":"object","title":"Signal","required":["market_id","platform","question","confidence","direction","mid_price","seconds_to_settle","category","timestamp"],"properties":{"asset":{"anyOf":[{"type":"string"},{"type":"null"}],"title":"Asset"},"category":{"enum":["crypto","macro","politics","weather","sports","tech","unknown"],"type":"string","title":"Category"},"platform":{"enum":["kalshi","polymarket"],"type":"string","title":"Platform"},"question":{"type":"string","title":"Question"},"direction":{"enum":["yes","no"],"type":"string","title":"Direction"},"market_id":{"type":"string","title":"Market Id"},"mid_price":{"type":"number","title":"Mid Price","maximum":1,"minimum":0},"timestamp":{"type":"string","title":"Timestamp","format":"date-time"},"confidence":{"type":"number","title":"Confidence","maximum":1,"minimum":0},"volume_24h":{"anyOf":[{"type":"number"},{"type":"null"}],"title":"Volume 24H"},"liquidity_dollars":{"anyOf":[{"type":"number"},{"type":"null"}],"title":"Liquidity Dollars"},"seconds_to_settle":{"type":"integer","title":"Seconds To Settle"}}},"title":"Signals"},"poll_timestamp":{"type":"string","title":"Poll Timestamp","format":"date-time"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9RAhLxaO8OQs0QhirNJXV","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns high-confidence prediction-market trading signals from Kalshi and Polymarket, filtered by asset, category, confidence threshold, and time-to-settlement.","exampleAgentPrompt":"Pull me the highest-confidence crypto prediction market signals from both Kalshi and Polymarket settling within the next 6 hours — filter to confidence above 0.85 and show me ETH signals specifically.","exampleUseCases":null,"resultDescription":"A JSON object containing a count of matching signals, a poll timestamp, and an array of signal objects. Each signal includes the market question, platform (kalshi/polymarket), direction (yes/no), confidence score (0-1), mid price (0-1), category, associated asset if any, seconds until settlement, 24h volume, liquidity in dollars, and the signal timestamp.","failureModes":["Payment not provided or insufficient — x402 payment gate blocks access, returns 402 Payment Required","Invalid asset value — must be BTC, ETH, SOL, or 'all'","Invalid category value — must be one of the defined enums or 'all'","Invalid platform value — must be 'kalshi', 'polymarket', or 'all'","No signals match the given filters — returns count 0 with empty signals array","min_confidence set too high — no signals meet threshold, empty result","Network or upstream data source unavailability — may return 5xx error"],"whenToPreferThis":"Use this endpoint when you need filtered, high-confidence prediction-market signals aggregated from Kalshi and Polymarket in a single call, especially when you want to act on directional market sentiment with a quantified confidence score and settlement horizon. Prefer this over scraping individual prediction market platforms directly or building your own signal filter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:40:15.868Z","isFirstParty":false}