Pricing

Pay per usage

Weather Data for Prediction Markets (Kalshi & Polymarket)

Official NWS daily climate settlement values, hourly observations and 6-model forecasts with the spread between models, for the stations Kalshi and Polymarket temperature markets settle on.

Pricing

Pay per usage

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Developer

SignalData

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METAR & NWS Weather Station Observations API

bigdavidson/metar-nws-weather-station-observations

Raw METAR strings and decoded NWS ASOS hourly observations by ICAO station or lat/lon: temp, wind, ceiling, visibility, flight category. The official station data Kalshi weather markets settle on. No login, no API keys. From $0.50 per 1,000 records.

Jack Sheward

Kalshi Weather Markets + Station Nowcast

nanare-sudo/kalshi-weather-markets

Live Kalshi weather & temperature market data (KXHIGH, KXLOWT, rain, snow, hurricanes) with orderbooks, candlestick history, settled results and NWS/METAR station observations joined as distance-to-strike. Rebuilt for Kalshi's August 2026 API (dollars/fp fields).

Leonardo Berisha

Prediction Markets Scraper – Kalshi + Polymarket Odds & Prices

gratified_ashram/prediction-markets-scraper

Kalshi + Polymarket markets in one table: odds, bid/ask, volume, result. Price history for both (Kalshi since 2021, Polymarket since 2024), candlesticks, order book depth, trades, Polymarket comments and top holders. Politics, sports, crypto, economics, weather. Public APIs. Pay per record.

Tit Slobodjanac

Polymarket & Kalshi Prediction Market Scraper

teodor_banea/polymarket-kalshi-prediction-market-scraper

Scrape live prediction market odds from Polymarket and Kalshi in one normalized dataset: prices, implied probability, bid/ask, volume, liquidity, close dates, and settled winners. Search by keyword; filter by category, status, volume, or end date. Fast public-API scraping — no browser, no login.

Banea Teodor

Sportsbook vs Polymarket Edge Finder | Devig +EV Scanner

tactful_anvil/sportsbook-polymarket-edge-finder

DraftKings moneylines devigged to fair probability vs live Polymarket prices — a ranked +EV feed for MLB, NFL, NBA, NHL, CFB & EPL with edge %, fair price and a buy/pass call per game. HTTP-only, pay per result, MCP-ready.

Mr Zack

Prediction Market Movers | Polymarket & Kalshi Catalyst Feed

tactful_anvil/prediction-market-movers

The biggest odds swings, volume spikes and closing-soon catalysts across Polymarket AND Kalshi in one ranked feed — each with a 0-100 catalyst score and signals. Public APIs, no keys, HTTP-only, pay per result, MCP-ready.

Mr Zack

Kalshi Markets & Odds API

fkdg_digital/kalshi-markets-odds-api

Clean, normalized Kalshi prediction-market data: markets, live two-sided quotes, volumes and liquidity. No API key needed, parlays filtered out.

Franclim Diogo

Kalshi & Polymarket Prediction Market Odds Scraper

scrapebench/kalshi-polymarket-prediction-market-scraper

Live odds, volume, liquidity and settlement from Kalshi and Polymarket in one schema — with weather markets resolved to city, station and temperature bracket.

ScrapeBench

Kalshi Scraper — Markets, Odds, Volume & Order Books

pixflor/kalshi-markets-scraper

Export live Kalshi prediction-market data as clean rows: title, Yes/No prices, implied probability, spread, 24h volume, open interest, category and close date. Returns actively traded markets, not dead auto-generated ones.

Pixflor

Polymarket Kalshi Arbitrage Scanner | Matched Markets & Edge

tactful_anvil/polymarket-kalshi-arbitrage-scanner

Match the same prediction market on Polymarket and Kalshi, compare YES/NO ask prices and get fee-adjusted, risk-free arbitrage edge for every pair. Entity-exact matching (names, strikes, dates) — no false-positive soup. $2/1,000 matched pairs.

Mr Zack