Returns the current aggregated order book for a symbol
Instrument symbol (e.g., "BTC-USD")
Number of price levels to return (default 3, max 10)
A successful response.
Response containing the order book snapshot.
InstrumentState represents the state of an instrument.
INSTRUMENT_STATE_OPEN, INSTRUMENT_STATE_PREOPEN, INSTRUMENT_STATE_SUSPENDED, INSTRUMENT_STATE_EXPIRED, INSTRUMENT_STATE_TERMINATED, INSTRUMENT_STATE_HALTED, INSTRUMENT_STATE_MATCH_AND_CLOSE_AUCTION InstrumentStats contains statistics about an instrument.