Reference Data returns a list of all available symbols and their reference data.
This is available via REST at https://http.qfex.com/v4/perpetualMarkets.

​
Example Response Shape

The websocket payloads mirror the REST fields. A single message may include one or more symbols. 
{
  "type": "refdata",
  "data": [
    {
      "clobPairId": "4",
      "symbol": "GOOG-USD",
      "underlier_price": "154.16",
      "price_change_24h": "-2.1",
      "tick_size": "0.05",
      "lot_size": "0.001",
      "min_price": "112",
      "max_price": "209",
      "min_quantity": "0.001",
      "max_quantity": "100000000",
      "base_asset": "GOOG",
      "quote_asset": "USD",
      "margin_asset": "USD",
      "order_time_in_force": ["GTC", "IOC", "FOK"],
      "order_types": ["LIMIT", "MARKET", "ALO"],
      "market_hours": {
        "tz": "America/New_York",
        "monday": { "open": "04:00:00", "close": "20:00:00" },
        "tuesday": { "open": "04:00:00", "close": "20:00:00" },
        "wednesday": { "open": "04:00:00", "close": "20:00:00" },
        "thursday": { "open": "04:00:00", "close": "20:00:00" },
        "friday": { "open": "04:00:00", "close": "20:00:00" }
      }
    }
  ]
}