{"uid":"cap_rrRditaUYzs8KHBgkXTIm","slug":"puresignal402-confidence-signal-api-65e479b1","name":"PureSignal402 Confidence Signal API","description":"Prediction-market signals above a confidence threshold. x402-gated.","url":"https://puresignal402.xyz/v1/live","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"asset":{"type":"string"},"category":{"type":"string"},"platform":{"type":"string"},"min_confidence":{"type":"number","description":"Default 0.85 (vs 0.88 on /v1/signals)."},"within_minutes":{"type":"integer","description":"Time window in minutes. Default 240 (4h). Use 30 for ultra-fresh closing-soon feed."},"min_liquidity_dollars":{"type":"number"}}},"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_2aHkviNIeVC32874jk2Cp","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 live prediction-market signals (from Kalshi and Polymarket) that exceed a configurable confidence threshold, filtered by asset, category, platform, and liquidity.","exampleAgentPrompt":"Pull the latest crypto prediction market signals from Kalshi and Polymarket where confidence is at least 90%, liquidity is over $5,000, and markets are closing within the next 30 minutes.","exampleUseCases":null,"resultDescription":"A JSON object containing a list of signals, each with a market question, platform (kalshi or polymarket), yes/no direction, confidence score, mid-price, seconds until settlement, 24h volume, liquidity in dollars, asset tag, and category. Also includes a total count and poll timestamp.","failureModes":["Payment not provided or x402 payment rejected — endpoint returns 402 Payment Required","Invalid asset or category value — returns empty signal list or 400 error","min_confidence set above 1.0 or below 0.0 — validation error","within_minutes set to 0 or negative — may return empty or error","No signals currently meet the filters — returns count:0 with empty signals array","Network timeout if prediction market data sources are temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need live, pre-filtered, high-confidence prediction market signals across multiple platforms (Kalshi and Polymarket) without having to aggregate or score them yourself. Prefer it over raw market feeds when you want only actionable, high-signal data above a confidence threshold and optionally with liquidity filtering. It is especially useful for agents doing real-time monitoring, alerting, or decision support around prediction market outcomes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:36:12.639Z","isFirstParty":false}