mirrored listing x402 eip155:8453

Chicago weather forecast API: live temperature nowcast and daily high forecast for Chicago

Chicago weather forecast API: live temperature nowcast and daily high forecast for Chicago Midway (KMDW), with calibrated probability the temperature ends above/below any Fahrenheit strike. KMDW is the official settlement station for Kalshi KXHIGHCHI and Polymarket Chicago daily high temperature prediction markets. Built for AI agents trading weather prediction markets or needing real-time weather data. $0.05 with live 3h thermal-memory telemetry (out-of-sample nowcast RMSE 0.94F); $0.01 degraded fallback (RMSE 1.21F). Free catalog: https://runwayoracle.com/catalog.json. Model-conditional estimates; not financial advice.

50000 (raw units)

price

calls / 30d

unique payers

2026-08-26

updated

Provider

runwayoracle.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xCc42Ed39a06b6cF3f484307eF76B88Bf56Fb305f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "strikeF": 75
        },
        "type": "http"
      },
      "output": {
        "example": {
          "asOf": "2026-07-02T00:00:00.000Z",
          "meta": {
            "disclaimer": "Model-conditional statistical estimate; not financial advice.",
            "mode": "thermal-memory",
            "oosNowcastRmseF": 0.94
          },
          "projection": {
            "baselineF": 70.752,
            "basisSpreadF": -8.261,
            "projectedTmpF": 62.491,
            "sigmaF": 1.242
          },
          "station": "MDW",
          "strike": {
            "pAbovePct": 1,
            "pBelowPct": 100,
            "strikeF": 75
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "strikeF": {
                  "description": "Optional strike temperature in degrees F (-80..140); response then includes calibrated P(above)/P(below).",
                  "type": "number"
                }
              },
              "required": [],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://runwayoracle.com/v1/oracle/v3/mdw-edge"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://runwayoracle.com/v1/oracle/v3/mdw-edge");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://runwayoracle.com/v1/oracle/v3/mdw-edge")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/4819.json, and this resource appears in /discovery/resources and /discovery/search.