Free Trial
Ideal for trying out the data
$0
- Start with 600 free downloads, then 50 / month
- UpDown markets up to 75% off
- Data older than 3 weeks
- Order book L2, trades, on-chain fills
- Parquet format
Simple, transparent pricing
Start free, upgrade when you need more
Plus
Ideal for independent quants
$49/month
- 1M downloads / month
- Chainlink history data
- Access all data, updated daily
- Personal use license: For individual trading and research
Enterprise
Ideal for teams and institutions
Custom
- Custom data delivery/integration
- Dedicated support
- Point-in-Time (PIT) Accuracy
- Unlimited API keys
- Commercial use license: For firms and organizations
Cancel anytime. Historical data.
Frequently asked questions
Tick-by-tick order book snapshots, updates, trades, on-chain fills, and Chainlink prices for Polymarket markets.
Yes. In our Order Book L2 dataset, we include only the YES token side. Polymarket uses a symmetric order book: no_bid = 1 - yes_ask, and no_buy@no_ask = yes_sell@yes_bid.
The data is updated once a day.
Create an account, generate an API key, then download Parquet files directly over HTTP from the PMData API. The dashboard and docs include copy-ready curl and Python examples.
Yes. PMData is designed for research and backtesting workflows, including tick-level order book replay and integration with Python analysis tools.
No, historical data is the same as provided by real-time Polymarket WebSocket APIs with addition of local timestamps.
Data is currently collected in AWS eu-west-2 (London, Availability Zone 2). Before July 14, 2026, it was collected in GCP, Madrid.