Canonical field definitions shared across API and files.
Data schemas
One schema across JSON, Parquet and CSV.
Level
| Field | Type | Description |
|---|---|---|
price | number | Price level |
size | number | Resting size |
Book snapshot
See Polymarket dataset for the full table. Core fields: source, market, ts_exchange, ts_recv, bids, asks, spread.
Timestamps
ts_exchange— venue clockts_recv— our receive time (same timescale, UTC)
Both are ISO-8601 with millisecond precision.