{"uid":"cap_CsPdIy-so3365SIk5gLu_","slug":"x402-factory-next-major-hurricane-cat-3-us-landfall-probability-56081bc8","name":"x402-factory: Next Major Hurricane Cat 3+ US Landfall Probability","description":"Paid data APIs for AI agents: prediction-market analytics, weather intelligence, weather×market edge signals, and SEC/gov data. Paid endpoints use the x402 protocol (HTTP 402 + USDC on Base): call without payment to receive requirements, retry with an X-PAYMENT header. Machine-readable catalog: /llms.txt. Per-endpoint docs: /docs/{id}.","url":"https://x402-factory.com/v1/evergreen/next-hurricane-cat3-us-landfall","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{"slug":"major-hurricane-us-landfall-2026","topic":"next-hurricane-cat3-us-landfall","category":"weather","question":"Will a major hurricane (Category 3+) make US landfall before December 1?","per_venue":[{"venue":"kalshi","implied_p":0.7278,"market_id":"KXMAJORHURRICANE","volume_24h_usd":84719.94,"liquidity_score":0.912},{"venue":"polymarket","implied_p":0.7366,"market_id":"major-hurricane-us-landfall-2026","volume_24h_usd":204188.49,"liquidity_score":0.921}],"divergence":0.0088,"probability":0.7325,"current_slug":"major-hurricane-us-landfall-2026","last_move_1h":0.0007,"topic_question":"Will the next major hurricane (Cat 3+) make US landfall?","resolution_date":"2026-11-30","rolls_to_next_at":"2026-11-30","resolution_criteria_summary":"Resolves YES on an NHC-confirmed Cat 3+ landfall on the US coast before Dec 1."},"meta":{"docs":"https://x402-factory.com/docs/probability.evergreen.next-hurricane-cat3-us-landfall","sources":["kalshi","polymarket"],"version":"1.0.0","endpoint":"/v1/evergreen/next-hurricane-cat3-us-landfall","data_mode":"live","freshness":"realtime","request_id":"req_00000000","generated_at":"2026-08-21T03:58:58.093Z"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vy2BpyGBU1tuNT1ADulhE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live, cross-venue prediction-market probability that a Category 3+ hurricane will make US landfall before December 1, with per-venue breakdowns from Kalshi and Polymarket.","exampleAgentPrompt":"What are the current prediction-market odds — across both Kalshi and Polymarket — that a Category 3 or stronger hurricane makes US landfall before December 1 this year, and is there any divergence between the two venues?","exampleUseCases":[{"title":"Hurricane season risk briefing","prompt":"What's the latest cross-market probability that a major hurricane hits the US coast before December? I want to see the Kalshi and Polymarket numbers side by side and whether they're diverging."},{"title":"Catastrophe bond desk monitoring","prompt":"Pull me the current Cat 3+ US hurricane landfall probability from prediction markets right now — I need the implied probability, 24-hour volume, and liquidity scores from each venue."},{"title":"Weather-driven trading signal check","prompt":"Has the major hurricane US landfall probability moved in the last hour on Kalshi or Polymarket? Give me the current consensus probability and the one-hour change."}],"resultDescription":"A JSON object containing: aggregated consensus probability of Cat 3+ US hurricane landfall, per-venue breakdown (Kalshi and Polymarket) with implied probability, 24-hour USD volume, and liquidity score for each, the divergence between venues, the 1-hour probability move, resolution date (November 30), resolution criteria summary (NHC-confirmed Cat 3+ landfall), and metadata including freshness timestamp, data mode (live/realtime), and documentation URL.","failureModes":["HTTP 402 returned without X-PAYMENT header — caller must parse payment requirements and retry with USDC payment on Base","Payment amount or token mismatch causes rejection","Prediction market venues temporarily unavailable — stale or partial data may be returned","No active market for the current season — endpoint may return empty or rolled-over data","Network timeout on aggregation from upstream venues"],"whenToPreferThis":"Choose this endpoint when you need a real-time, multi-venue consensus probability for a major (Cat 3+) hurricane making US landfall — especially when you want both Kalshi and Polymarket odds in a single call with liquidity and volume metadata. Prefer this over scraping individual venues manually, over weather-service storm-track APIs (which give physical forecasts, not market-implied probabilities), or over generic prediction-market search endpoints that require you to identify and query specific market IDs yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:37:57.771Z","isFirstParty":false}