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.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://runwayoracle.com/v1/oracle/v3/mdw-edge' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://runwayoracle.com/v1/oracle/v3/mdw-edge'
Endpoint: https://runwayoracle.com/v1/oracle/v3/mdw-edge. Operated by runwayoracle.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
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