REST API
Snapshots and history windows from code, with an API key. In an AI client, the MCP server serves the same data over OAuth. Venue coverage lists the datasets.WebSocket
Live updates, or history replayed in order, with an API key sent when the socket opens. Channels lists what streams live and what replays.Webhook Alerts
A signed HTTP request when an event happens, instead of polling. Set it up in the dashboard, over REST with an API key, or through the MCP server over OAuth; delivery starts on Build. Alert events lists the events.Bulk Exports
Parquet files for a market, data types, and UTC dates, bought in the Data Catalog in your browser by card or with export credits. Export schemas lists the data types.What a market means
A market is one instrument or outcome on a specific venue, such as BTC-USD perpetuals on Hyperliquid or AAPL-USD perpetuals on Lighter. In the Data Catalog, each market opens an export page where you choose the available data types and date range.Check availability
- Venue coverage shows which data types each market has, and from when.
- Data quality explains coverage, freshness, and gaps.
- Data rights explains permitted use and redistribution.