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Prediction Market Odds API — Polymarket + Kalshi

Search or look up Polymarket and Kalshi prediction markets and get one unified JSON schema back: prices, volume, liquidity, order books, and de-vigged fair probabilities (multiplicative/power method). No API key needed — built for research, arbitrage-scanning, and AI agents.

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from $0.01 / 1,000 results

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Daniel Posztos

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Prediction Market Odds API — Polymarket + Kalshi API through CLI

The Apify CLI is the official tool that allows you to use Prediction Market Odds API — Polymarket + Kalshi locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

Prediction Market Odds API — Polymarket + Kalshi API in Python

Prediction Market Odds API — Polymarket + Kalshi API in JavaScript

Prediction Market Odds API — Polymarket + Kalshi OpenAPI definition

Prediction Market Odds API — Polymarket + Kalshi API

Prediction Markets Scraper - Polymarket, Kalshi & Manifold

webdata_labs/prediction-markets-scraper

[💵 $2.00 / 1K] Scrape live prediction markets across Polymarket, Kalshi, and Manifold in one unified schema: odds, implied probability, prices, volume, and liquidity.

WebData Labs

Kalshi + Polymarket Scraper — Unified Odds & History

signalbench/kalshi-polymarket-scraper

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.

SignalBench

Polymarket & Kalshi Scraper - Odds, Markets & Arbitrage

scrapesage/prediction-markets-scraper

Scrape Polymarket & Kalshi prediction markets: live odds & implied probability, 24h/weekly volume, liquidity, order flow (trades), top holders, wallet P&L, price history, and cross-platform arbitrage. Keyless, no browser. Monitor mode tracks odds moves and new markets. Export to JSON, CSV or Excel.

Scrape Sage

🎲 Kalshi Prediction Markets — Odds, Probabilities, Volume

nexgendata/kalshi-prediction-markets-tracker

Track live Kalshi prediction markets: yes/no bid/ask, last price, implied probability, volume, liquidity, and close time. For traders, researchers, and media tracking event odds.

NexGenData

Polymarket Prediction Markets Scraper

supermiojo/polymarket-scraper

Pull live prediction market data from Polymarket. Prices, volumes, probabilities, and resolution status for any event. No API key needed — uses public Gamma API.

Igor Araujo

🔮 Polymarket Prediction Markets — Odds, Outcomes, Volume

nexgendata/polymarket-prediction-markets-tracker

Track Polymarket prediction markets: outcomes and outcome prices/odds, volume, liquidity, and end date. For traders, researchers, and media tracking event probabilities.

NexGenData

Polymarket Scraper

brilliant_ethics/polymarket-scraper

Scrape prediction market data from Polymarket. Get real-time odds, trading volume, liquidity, and outcomes for any market. Perfect for trading bots, AI agents, data analysis, and research. No API key needed.

Laurent Poyet

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.

Shawn Downs

Polymarket Market Data Scraper

meticulous_sweetwilliam/polymarket-market-data

Extract real-time Polymarket prediction market data: market metadata, prices, volumes, liquidity, and event outcomes. Scrapes the Polymarket API and Gamma Markets API for comprehensive prediction market analytics.

Leo

Polymarket Prediction Market Scraper

diverse_venture/polymarket-scraper

Scrape Polymarket prediction markets — active markets with prices, volumes, liquidity, whale trades ($10K+), and market analytics. No API key required. Outputs JSON, CSV, or Excel.