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