The most granular data for prediction markets

import { PredictionDataClient, Channel } from 'predictiondata';

const client = new PredictionDataClient({ apiKey: '<YOUR_API_KEY>' });

const messages = client.replay({
  exchange: 'polymarket',
  fromDate: '2024-11-01',
  toDate: '2024-11-15',
  filters: [new Channel({
    name: 'trades',
    symbols: ['ramp-ipo-in-2025/YES']
  })],
});

for await (const [timestamp, message] of messages) {
  console.log(
    `Time: ${timestamp}ms, Trade: ${JSON.stringify(message)}`
  );
}

curl -G "http://datasets.predictiondata.dev/polymarket/onchain/fills/ramp-ipo-in-2025/YES/2025-11-16.csv.gz" \
  --data-urlencode "slug=true" \
  --data-urlencode "apikey=YOUR_API_KEY"