| Name | Type | Description | Notes |
|---|---|---|---|
| symbol | str | Unique trading pair identifier in the form ExchangeType_BusinessType_Base_Counter. | |
| exchange_type | str | Venue bucket (`BINANCE` / `OKX` / `GATE` / `BYBIT` / `KRAKEN` / `HYPERLIQUID` / `DERIBIT`). | |
| business_type | str | Business type (`SPOT` Spot / `FUTURE` Futures / `MARGIN` Margin). | |
| state | str | Status (`live` running / `suspend` paused). | |
| min_size | str | Minimum order quantity | |
| min_notional | str | Minimum Order Value | |
| lot_size | str | Quantity Step | |
| tick_size | str | Price Step | |
| max_num_orders | str | maximumopen orderamount | |
| max_market_size | str | Maximum Market Order Quantity | |
| max_limit_size | str | Maximum order quantity for limit orders. | |
| contract_size | str | Contract multiplier (deprecated; quantity is used uniformly) | |
| liquidation_fee | str | Liquidation Fee Rate | |
| delist_time | str | Millisecond timestamp; `0` means not delisted. | |
| support_rpi | str | Whether RPI order placement is supported (true if supported; false otherwise) | [optional] |
| support_cross | str | Whether cross-margin order placement is supported (true if supported; false otherwise) | [optional] |