Prediction Market Data Suite (Polymarket + Kalshi)
Pricing
Pay per event
Unified, normalized prediction-market data from Polymarket and Kalshi: market listings, live prices, orderbooks, recent trades and official resolutions in one cross-platform schema. No auth required.
You can access the Prediction Market Data Suite (Polymarket + Kalshi) programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.
1import { ApifyClient } from 'apify-client';2
3// Initialize the ApifyClient with your Apify API token4// Replace the '<YOUR_API_TOKEN>' with your token5const client = new ApifyClient({6 token: '<YOUR_API_TOKEN>',7});8
9// Prepare Actor input10const input = {11 "mode": "markets",12 "platforms": [13 "polymarket",14 "kalshi"15 ],16 "keyword": "",17 "status": "active",18 "maxResults": 200,19 "marketIds": [],20 "limit": 10021};22
23// Run the Actor and wait for it to finish24const run = await client.actor("ichigowa/prediction-market-data-suite").call(input);25
26// Fetch and print Actor results from the run's dataset (if any)27console.log('Results from dataset');28console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);29const { items } = await client.dataset(run.defaultDatasetId).listItems();30items.forEach((item) => {31 console.dir(item);32});33
34// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docsThe Apify API client for JavaScript is the official library that allows you to use Prediction Market Data Suite (Polymarket + Kalshi) API in JavaScript or TypeScript, providing convenience functions and automatic retries on errors.
Install the apify-client
$npm install apify-clientOther API clients include: