InstrumentsService instrumentsService = IntxServiceFactory.createInstrumentsService(client);
GetInstrumentQuoteRequest request = new GetInstrumentQuoteRequest.Builder()
    .instrumentId("BTC-PERP")
    .build();
GetInstrumentQuoteResponse response = instrumentsService.getInstrumentQuote(request);

For more information, please visit the INTX Java SDK.