GET /v1/board/climate

$0.03realtimetier: datacache 60sEngine A — Probability API

One-call board of the most active climate and weather prediction markets: top markets by volume with blended live probabilities, resolution dates, and per-market slugs for drill-down. The bulk read for agents tracking the state of climate and weather at a glance.

Parameters

Example

curl "https://x402-factory.com/v1/board/climate?limit=10"

Example response

{
  "data": {
    "category": "climate",
    "markets": [
      {
        "slug": "major-hurricane-us-landfall-2026",
        "question": "Will a major hurricane (Category 3+) make US landfall before December 1?",
        "probability": 0.7325,
        "volume_24h_usd": 288908.43,
        "resolution_date": "2026-11-30"
      },
      {
        "slug": "florida-hurricane-landfall-2026-09",
        "question": "Will a hurricane make landfall in Florida before September 30?",
        "probability": 0.6192,
        "volume_24h_usd": 153843.58,
        "resolution_date": "2026-09-30"
      },
      {
        "slug": "atlantic-named-storms-above-normal-2026",
        "question": "Will the 2026 Atlantic season produce more named storms than the 30-year average?",
        "probability": 0.5972,
        "volume_24h_usd": 36748.15,
        "resolution_date": "2026-11-30"
      },
      {
        "slug": "nyc-high-temp-above-95f-2026-07-24",
        "question": "Will the high temperature in New York City on July 24 be above 95°F?",
        "probability": 0.329,
        "volume_24h_usd": 34519.25,
        "resolution_date": "2026-07-24"
      },
      {
        "slug": "los-angeles-rain-2026-07-25",
        "question": "Will it rain in Los Angeles on July 25?",
        "probability": 0.0855,
        "volume_24h_usd": 10848.77,
        "resolution_date": "2026-07-25"
      },
      {
        "slug": "highest-temperature-chicago-jul-20-2026-88-89",
        "question": "Highest temperature in Chicago on Jul 20, 2026? — 88° to 89°",
        "probability": 0.2803,
        "volume_24h_usd": 9512.67,
        "resolution_date": "2026-07-20"
      },
      {
        "slug": "houston-high-temp-above-100f-2026-08-02",
        "question": "Will the high temperature in Houston on August 2 be above 100°F?",
        "probability": 0.5881,
        "volume_24h_usd": 6305.81,
        "resolution_date": "2026-08-02"
      },
      {
        "slug": "chicago-high-temp-above-100f-2026-07-22",
        "question": "Will the high temperature in Chicago on July 22 be above 100°F?",
        "probability": 0.1349,
        "volume_24h_usd": 4676.41,
        "resolution_date": "2026-07-22"
      },
      {
        "slug": "seattle-rain-2026-07-23",
        "question": "Will it rain in Seattle on July 23?",
        "probability": 0.344,
        "volume_24h_usd": 4526.33,
        "resolution_date": "2026-07-23"
      },
      {
        "slug": "phoenix-high-temp-above-115f-2026-07-26",
        "question": "Will the high temperature in Phoenix on July 26 be above 115°F?",
        "probability": 0.2882,
        "volume_24h_usd": 3561.74,
        "resolution_date": "2026-07-26"
      }
    ]
  },
  "meta": {
    "endpoint": "/v1/board/climate",
    "version": "1.0.0",
    "generated_at": "2026-08-18T22:54:16.757Z",
    "freshness": "realtime",
    "sources": [
      "kalshi",
      "polymarket"
    ],
    "request_id": "req_00000000",
    "docs": "https://x402-factory.com/docs/probability.board.climate",
    "data_mode": "live"
  }
}

Response schema (data payload)

{
  "type": "object",
  "properties": {
    "category": {
      "type": "string"
    },
    "markets": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "slug": {
            "type": "string"
          },
          "question": {
            "type": "string"
          },
          "probability": {
            "type": "number",
            "minimum": 0,
            "maximum": 1
          },
          "volume_24h_usd": {
            "type": "number"
          },
          "resolution_date": {
            "type": "string"
          }
        },
        "required": [
          "slug",
          "question",
          "probability",
          "volume_24h_usd",
          "resolution_date"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": [
    "category",
    "markets"
  ],
  "additionalProperties": false
}

The platform wraps every payload in an envelope: { "data": …, "meta": { endpoint, version, generated_at, freshness, sources, request_id, docs, data_mode } }.

Payment (x402)

Unpaid requests receive 402 with payment requirements (accepts). Pay $0.03 in USDC on Base per call via an X-PAYMENT header — see docs.x402.org. With PAYMENT_MODE=disabled (local dev) the endpoint is open.

Errors