# Runway Weather Oracle

> Paid x402 weather forecast API for AI agents: live temperature nowcasts and daily high strike probabilities for Chicago, Los Angeles, New York City, Seattle, Miami, Phoenix, San Francisco — measured at the exact NWS stations that settle Kalshi and Polymarket daily high temperature prediction markets (KXHIGHNY, KXHIGHCHI, KXHIGHLAX, KXHIGHTSEA).

Weather data API, temperature forecast API, daily high temperature
probability, weather prediction market data (Kalshi, Polymarket), paid per
call with x402 micropayments (USDC on Base). No API key or subscription —
any AI agent with a funded Base wallet can buy a single forecast.

## Paid endpoints (GET; $0.05 live telemetry / $0.01 degraded, USDC on Base)
- https://runwayoracle.com/v1/oracle/v3/ord-edge — Chicago O'Hare (KORD): Live Chicago temperature nowcast and daily-high strike probabilities. (OOS nowcast RMSE 1.0F live / 1.49F degraded)
- https://runwayoracle.com/v1/oracle/v3/mdw-edge — Chicago Midway (KMDW): Live Chicago temperature nowcast and daily-high strike probabilities. KMDW is the official settlement station for Kalshi KXHIGHCHI and Polymarket Chicago daily high temperature prediction markets. (OOS nowcast RMSE 0.94F live / 1.19F degraded)
- https://runwayoracle.com/v1/oracle/v3/lax-edge — Los Angeles Intl (KLAX): Live Los Angeles temperature nowcast and daily-high strike probabilities. KLAX is the official settlement station for Kalshi KXHIGHLAX and Polymarket Los Angeles daily high temperature prediction markets. (OOS nowcast RMSE 0.94F live / 3.16F degraded)
- https://runwayoracle.com/v1/oracle/v3/nyc-edge — New York Central Park (KNYC): Live New York City temperature nowcast and daily-high strike probabilities. KNYC (Central Park) is the official settlement station for Kalshi KXHIGHNY and Polymarket NYC daily high temperature prediction markets. (OOS nowcast RMSE 1.17F live / 1.89F degraded)
- https://runwayoracle.com/v1/oracle/v3/sea-edge — Seattle-Tacoma Intl (KSEA): Live Seattle temperature nowcast and daily-high strike probabilities. KSEA is the official settlement station for Kalshi KXHIGHTSEA daily high temperature prediction markets. (OOS nowcast RMSE 1.22F live / 2.69F degraded)
- https://runwayoracle.com/v1/oracle/v3/mia-edge — Miami Intl (KMIA): Live Miami temperature nowcast and daily-high strike probabilities. KMIA is the official settlement station for Kalshi KXHIGHMIA and Polymarket Miami daily high temperature prediction markets. (OOS nowcast RMSE 1.12F live / 1.43F degraded)
- https://runwayoracle.com/v1/oracle/v3/phx-edge — Phoenix Sky Harbor (KPHX): Live Phoenix temperature nowcast and daily-high strike probabilities. KPHX is the official settlement station for Kalshi KXHIGHTPHX daily high temperature prediction markets. (OOS nowcast RMSE 1.55F live / 4.5F degraded)
- https://runwayoracle.com/v1/oracle/v3/sfo-edge — San Francisco Intl (KSFO): Live San Francisco temperature nowcast and daily-high strike probabilities. KSFO is the official settlement station for Kalshi KXHIGHTSFO (CLISFO 'San Francisco Airport' report) and Polymarket San Francisco daily high temperature prediction markets. (OOS nowcast RMSE 1.18F live / 2.05F degraded)

## Query parameters
strikeF: optional number (-80..140). Response adds the calibrated
probability the temperature settles above/below that Fahrenheit strike —
matches the strike thresholds of Kalshi/Polymarket daily high markets.

## How to pay (x402)
1. GET an endpoint -> HTTP 402 JSON with exact payment requirements.
2. Pay the USDC amount on Base and retry with the X-PAYMENT header.
Clients: @x402/fetch (JS/TS), x402 Python SDK, or any x402-capable agent
framework. Discoverable in the Coinbase x402 Bazaar.

## Free routes
/ (landing page), /catalog.json (machine-readable catalog), /llms.txt,
/healthz (status)

## Disclaimer
Model-conditional statistical estimates; not financial advice.