Prediction markets - Kalshi + Polymarket prices (public APIs)

Every open Kalshi and Polymarket market in one normalized feed: question, YES/NO price, bid/ask, spread, 24h volume, liquidity, open interest, close time, category, resolution rules, links. Optional order-book depth. Filter by text, category, volume, close time. No login, no proxies.

Prediction Market Odds — Kalshi & Polymarket

lizaraco/prediction-market-data

Live odds, market catalogs, and historical candles from the two big US prediction markets, via their official APIs. Unified schema, agent/RAG-friendly.

Find the same question priced differently on Kalshi, Polymarket and PredictIt. Matches equivalent binary Yes/No markets across venues and reports the YES-price gap, the cheaper side, and whether that gap clears both venues bid/ask. Keyless, no browser. Pay per matched pair.

Kalshi + Polymarket in one schema: live odds, prices, volume, open interest, full order-book depth, settled results for backtesting, and Kalshi candlestick history. Keyless public APIs, no browser. Targets the most actively traded markets by default, and never charges you for empty results.

Prediction Markets API — Kalshi & Polymarket Odds

lergassy/prediction-markets-api

Kalshi and Polymarket in one table: implied probability, yes and no price, best bid and ask, 24h move, volume, liquidity and close date for every market. Election odds, sports and economic event contracts, with price history and order book. No API key.

Scrape Polymarket and Kalshi prediction markets in one run. Odds, prices, volume and close dates on one schema, as JSON or CSV.

Unified, normalized live odds across prediction markets — Polymarket, Kalshi and Manifold in one schema, one call. Implied probability, spread, volume, open interest and market lifecycle. Public data: no login, no API key, no account.

Scrape Kalshi and Polymarket prediction markets into one normalized feed: questions, implied probabilities, volume, close dates — plus full odds history (candlesticks & price time-series). Pure API, no browser.

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.

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.