diff --git a/CryptoExchange.Net/ExchangeInterfaces/ICommonBalance.cs b/CryptoExchange.Net/ComonObjects/Balance.cs
similarity index 51%
rename from CryptoExchange.Net/ExchangeInterfaces/ICommonBalance.cs
rename to CryptoExchange.Net/ComonObjects/Balance.cs
index 816b351..b52b9c6 100644
--- a/CryptoExchange.Net/ExchangeInterfaces/ICommonBalance.cs
+++ b/CryptoExchange.Net/ComonObjects/Balance.cs
@@ -1,21 +1,21 @@
-namespace CryptoExchange.Net.ExchangeInterfaces
+namespace CryptoExchange.Net.ComonObjects
 {
     /// <summary>
-    /// Common balance
+    /// Balance data
     /// </summary>
-    public interface ICommonBalance
+    public class Balance: BaseComonObject
     {
         /// <summary>
         /// The asset name
         /// </summary>
-        public string CommonAsset { get; }
+        public string Asset { get; set;  } = string.Empty;
         /// <summary>
         /// Quantity available
         /// </summary>
-        public decimal CommonAvailable { get; }
+        public decimal? Available { get; set; }
         /// <summary>
         /// Total quantity
         /// </summary>
-        public decimal CommonTotal { get; }
+        public decimal? Total { get; set;  }
     }
 }
diff --git a/CryptoExchange.Net/ComonObjects/BaseComonObject.cs b/CryptoExchange.Net/ComonObjects/BaseComonObject.cs
new file mode 100644
index 0000000..ee34d63
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/BaseComonObject.cs
@@ -0,0 +1,13 @@
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Base class for comon objects
+    /// </summary>
+    public class BaseComonObject
+    {
+        /// <summary>
+        /// The source object the data is derived from
+        /// </summary>
+        public object SourceObject { get; set; } = null!;
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Enums.cs b/CryptoExchange.Net/ComonObjects/Enums.cs
new file mode 100644
index 0000000..998c157
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Enums.cs
@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Order type
+    /// </summary>
+    public enum OrderType
+    {
+        /// <summary>
+        /// Limit type
+        /// </summary>
+        Limit,
+        /// <summary>
+        /// Market type
+        /// </summary>
+        Market,
+        /// <summary>
+        /// Other order type
+        /// </summary>
+        Other
+    }
+
+    /// <summary>
+    /// Order side
+    /// </summary>
+    public enum OrderSide
+    {
+        /// <summary>
+        /// Buy order
+        /// </summary>
+        Buy,
+        /// <summary>
+        /// Sell order
+        /// </summary>
+        Sell
+    }
+    /// <summary>
+    /// Order status
+    /// </summary>
+    public enum OrderStatus
+    {
+        /// <summary>
+        /// placed and not fully filled order
+        /// </summary>
+        Active,
+        /// <summary>
+        /// canceled order
+        /// </summary>
+        Canceled,
+        /// <summary>
+        /// filled order
+        /// </summary>
+        Filled
+    }
+    
+    /// <summary>
+    /// Position side
+    /// </summary>
+    public enum PositionSide
+    {
+        /// <summary>
+        /// Long position
+        /// </summary>
+        Long,
+        /// <summary>
+        /// Short position
+        /// </summary>
+        Short,
+        /// <summary>
+        /// Both
+        /// </summary>
+        Both
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Kline.cs b/CryptoExchange.Net/ComonObjects/Kline.cs
new file mode 100644
index 0000000..5a90c76
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Kline.cs
@@ -0,0 +1,35 @@
+using System;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Kline data
+    /// </summary>
+    public class Kline: BaseComonObject
+    {
+        /// <summary>
+        /// Opening time of the kline
+        /// </summary>
+        public DateTime OpenTime { get; set; }
+        /// <summary>
+        /// Price at the open time
+        /// </summary>
+        public decimal? OpenPrice { get; set; }
+        /// <summary>
+        /// Highest price of the kline
+        /// </summary>
+        public decimal? HighPrice { get; set; }
+        /// <summary>
+        /// Lowest price of the kline
+        /// </summary>
+        public decimal? LowPrice { get; set; }
+        /// <summary>
+        /// Close price of the kline
+        /// </summary>
+        public decimal? ClosePrice { get; set; }
+        /// <summary>
+        /// Volume of the kline
+        /// </summary>
+        public decimal? Volume { get; set; }
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Order.cs b/CryptoExchange.Net/ComonObjects/Order.cs
new file mode 100644
index 0000000..a8743cd
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Order.cs
@@ -0,0 +1,47 @@
+using System;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Order data
+    /// </summary>
+    public class Order: BaseComonObject
+    {
+        /// <summary>
+        /// Id of the order
+        /// </summary>
+        public string Id { get; set; } = string.Empty;
+        /// <summary>
+        /// Symbol of the order
+        /// </summary>
+        public string Symbol { get; set; } = string.Empty;
+        /// <summary>
+        /// Price of the order
+        /// </summary>
+        public decimal? Price { get; set; }
+        /// <summary>
+        /// Quantity of the order
+        /// </summary>
+        public decimal? Quantity { get; set; }
+        /// <summary>
+        /// The quantity of the order which has been filled
+        /// </summary>
+        public decimal? QuantityFilled { get; set; }
+        /// <summary>
+        /// Status of the order
+        /// </summary>
+        public OrderStatus Status { get; set; }
+        /// <summary>
+        /// Side of the order
+        /// </summary>
+        public OrderSide Side { get; set; }
+        /// <summary>
+        /// Type of the order
+        /// </summary>
+        public OrderType Type { get; set; }
+        /// <summary>
+        /// Order time
+        /// </summary>
+        public DateTime Timestamp { get; set; }
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/OrderBook.cs b/CryptoExchange.Net/ComonObjects/OrderBook.cs
new file mode 100644
index 0000000..621e154
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/OrderBook.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Order book data
+    /// </summary>
+    public class OrderBook: BaseComonObject
+    {
+        /// <summary>
+        /// List of bids
+        /// </summary>
+        public IEnumerable<OrderBookEntry> Bids { get; set; } = Array.Empty<OrderBookEntry>();
+        /// <summary>
+        /// List of asks
+        /// </summary>
+        public IEnumerable<OrderBookEntry> Asks { get; set; } = Array.Empty<OrderBookEntry>();
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/OrderBookEntry.cs b/CryptoExchange.Net/ComonObjects/OrderBookEntry.cs
new file mode 100644
index 0000000..96d2e93
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/OrderBookEntry.cs
@@ -0,0 +1,17 @@
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Order book entry
+    /// </summary>
+    public class OrderBookEntry
+    {
+        /// <summary>
+        /// Quantity of the entry
+        /// </summary>
+        public decimal Quantity { get; set; }
+        /// <summary>
+        /// Price of the entry
+        /// </summary>
+        public decimal Price { get; set; }
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/OrderId.cs b/CryptoExchange.Net/ComonObjects/OrderId.cs
new file mode 100644
index 0000000..8e3e74f
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/OrderId.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Id of an order
+    /// </summary>
+    public class OrderId: BaseComonObject
+    {
+        /// <summary>
+        /// Id of an order
+        /// </summary>
+        public string Id { get; set; } = string.Empty;
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Position.cs b/CryptoExchange.Net/ComonObjects/Position.cs
new file mode 100644
index 0000000..09d6609
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Position.cs
@@ -0,0 +1,65 @@
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Position data
+    /// </summary>
+    public class Position: BaseComonObject
+    {
+        /// <summary>
+        /// Id of the position
+        /// </summary>
+        public string? Id { get; set; }
+        /// <summary>
+        /// Symbol of the position
+        /// </summary>
+        public string Symbol { get; set; } = string.Empty;
+        /// <summary>
+        /// Leverage
+        /// </summary>
+        public decimal Leverage { get; set; }
+        /// <summary>
+        /// Position quantity
+        /// </summary>
+        public decimal Quantity { get; set; }
+        /// <summary>
+        /// Entry price
+        /// </summary>
+        public decimal? EntryPrice { get; set; }
+        /// <summary>
+        /// Liquidation price
+        /// </summary>
+        public decimal? LiquidationPrice { get; set; }
+        /// <summary>
+        /// Unrealized profit and loss
+        /// </summary>
+        public decimal? UnrealizedPnl { get; set; }
+        /// <summary>
+        /// Realized profit and loss
+        /// </summary>
+        public decimal? RealizedPnl { get; set; }
+        /// <summary>
+        /// Mark price
+        /// </summary>
+        public decimal? MarkPrice { get; set; }
+        /// <summary>
+        /// Auto adding margin
+        /// </summary>
+        public bool? AutoMargin { get; set; }
+        /// <summary>
+        /// Position margin
+        /// </summary>
+        public decimal? PositionMargin { get; set; }
+        /// <summary>
+        /// Position side
+        /// </summary>
+        public PositionSide? Side { get; set; }
+        /// <summary>
+        /// Is isolated
+        /// </summary>
+        public bool? Isolated { get; set; }
+        /// <summary>
+        /// Maintenance margin
+        /// </summary>
+        public decimal? MaintananceMargin { get; set; }
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Symbol.cs b/CryptoExchange.Net/ComonObjects/Symbol.cs
new file mode 100644
index 0000000..ee4b28e
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Symbol.cs
@@ -0,0 +1,33 @@
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Symbol data
+    /// </summary>
+    public class Symbol: BaseComonObject
+    {
+        /// <summary>
+        /// Name of the symbol
+        /// </summary>
+        public string Name { get; set; } = string.Empty;
+        /// <summary>
+        /// Minimal quantity of an order
+        /// </summary>
+        public decimal? MinTradeQuantity { get; set; }
+        /// <summary>
+        /// Step with which the quantity should increase
+        /// </summary>
+        public decimal? QuantityStep { get; set; } 
+        /// <summary>
+        /// step with which the price should increase
+        /// </summary>
+        public decimal? PriceStep { get; set; } 
+        /// <summary>
+        /// The max amount of decimals for quantity
+        /// </summary>
+        public int? QuantityDecimals { get; set; } 
+        /// <summary>
+        /// The max amount of decimal for price
+        /// </summary>
+        public int? PriceDecimals { get; set; } 
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Ticker.cs b/CryptoExchange.Net/ComonObjects/Ticker.cs
new file mode 100644
index 0000000..f9c2889
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Ticker.cs
@@ -0,0 +1,35 @@
+using System;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Ticker data
+    /// </summary>
+    public class Ticker: BaseComonObject
+    {
+        /// <summary>
+        /// Symbol
+        /// </summary>
+        public string Symbol { get; set; } = string.Empty;
+        /// <summary>
+        /// Price 24 hours ago
+        /// </summary>
+        public decimal? Price24H { get; set; }
+        /// <summary>
+        /// Last trade price
+        /// </summary>
+        public decimal? LastPrice { get; set; }
+        /// <summary>
+        /// 24 hour low price
+        /// </summary>
+        public decimal? LowPrice { get; set; }
+        /// <summary>
+        /// 24 hour high price
+        /// </summary>
+        public decimal? HighPrice { get; set; }
+        /// <summary>
+        /// 24 hour volume
+        /// </summary>
+        public decimal? Volume { get; set; }
+    }
+}
diff --git a/CryptoExchange.Net/ComonObjects/Trade.cs b/CryptoExchange.Net/ComonObjects/Trade.cs
new file mode 100644
index 0000000..a493a91
--- /dev/null
+++ b/CryptoExchange.Net/ComonObjects/Trade.cs
@@ -0,0 +1,50 @@
+using System;
+
+namespace CryptoExchange.Net.ComonObjects
+{
+    /// <summary>
+    /// Trade data
+    /// </summary>
+    public class Trade: BaseComonObject
+    {
+        /// <summary>
+        /// Symbol of the trade
+        /// </summary>
+        public string Symbol { get; set; } = string.Empty;
+        /// <summary>
+        /// Price of the trade
+        /// </summary>
+        public decimal Price { get; set; }
+        /// <summary>
+        /// Quantity of the trade
+        /// </summary>
+        public decimal Quantity { get; set; }
+        /// <summary>
+        /// Timestamp of the trade
+        /// </summary>
+        public DateTime Timestamp { get; set; }
+    }
+
+    /// <summary>
+    /// User trade info
+    /// </summary>
+    public class UserTrade: Trade
+    {
+        /// <summary>
+        /// Id of the trade
+        /// </summary>
+        public string Id { get; set; } = string.Empty;
+        /// <summary>
+        /// Order id of the trade
+        /// </summary>
+        public string? OrderId { get; set; }
+        /// <summary>
+        /// Fee of the trade
+        /// </summary>
+        public decimal? Fee { get; set; }
+        /// <summary>
+        /// The asset the fee is paid in
+        /// </summary>
+        public string? FeeAsset { get; set; }
+    }
+}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/ICommonTrade.cs b/CryptoExchange.Net/ExchangeInterfaces/ICommonTrade.cs
deleted file mode 100644
index 3ac0d49..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/ICommonTrade.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common trade
-    /// </summary>
-    public interface ICommonTrade
-    {
-        /// <summary>
-        /// Id of the trade
-        /// </summary>
-        public string CommonId { get; }
-        /// <summary>
-        /// Price of the trade
-        /// </summary>
-        public decimal CommonPrice { get; }
-        /// <summary>
-        /// Quantity of the trade
-        /// </summary>
-        public decimal CommonQuantity { get; }
-        /// <summary>
-        /// Fee paid for the trade
-        /// </summary>
-        public decimal CommonFee { get; }
-        /// <summary>
-        /// The asset fee was paid in
-        /// </summary>
-        public string? CommonFeeAsset { get; }
-        /// <summary>
-        /// Trade time
-        /// </summary>
-        DateTime CommonTradeTime { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/IKline.cs b/CryptoExchange.Net/ExchangeInterfaces/IKline.cs
deleted file mode 100644
index 8dbb535..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/IKline.cs
+++ /dev/null
@@ -1,35 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common kline
-    /// </summary>
-    public interface ICommonKline
-    {
-        /// <summary>
-        /// High price for this kline
-        /// </summary>
-        decimal CommonHighPrice { get; }
-        /// <summary>
-        /// Low price for this kline
-        /// </summary>
-        decimal CommonLowPrice { get; }
-        /// <summary>
-        /// Open price for this kline
-        /// </summary>
-        decimal CommonOpenPrice { get; }
-        /// <summary>
-        /// Close price for this kline
-        /// </summary>
-        decimal CommonClosePrice { get; }
-        /// <summary>
-        /// Open time for this kline
-        /// </summary>
-        DateTime CommonOpenTime { get; }
-        /// <summary>
-        /// Volume of this kline
-        /// </summary>
-        decimal CommonVolume { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/IOrder.cs b/CryptoExchange.Net/ExchangeInterfaces/IOrder.cs
deleted file mode 100644
index ed526a3..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/IOrder.cs
+++ /dev/null
@@ -1,43 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common order
-    /// </summary>
-    public interface ICommonOrder: ICommonOrderId
-    {
-        /// <summary>
-        /// Symbol of the order
-        /// </summary>
-        public string CommonSymbol { get; }
-        /// <summary>
-        /// Price of the order
-        /// </summary>
-        public decimal CommonPrice { get; }
-        /// <summary>
-        /// Quantity of the order
-        /// </summary>
-        public decimal CommonQuantity { get; }
-        /// <summary>
-        /// Status of the order
-        /// </summary>
-        public IExchangeClient.OrderStatus CommonStatus { get; }
-        /// <summary>
-        /// Whether the order is active
-        /// </summary>
-        public bool IsActive { get; }
-        /// <summary>
-        /// Side of the order
-        /// </summary>
-        public IExchangeClient.OrderSide CommonSide { get; }
-        /// <summary>
-        /// Type of the order
-        /// </summary>
-        public IExchangeClient.OrderType CommonType { get; }
-        /// <summary>
-        /// order time
-        /// </summary>
-        DateTime CommonOrderTime { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/IOrderBook.cs b/CryptoExchange.Net/ExchangeInterfaces/IOrderBook.cs
deleted file mode 100644
index 9ebfd6e..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/IOrderBook.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System.Collections.Generic;
-using CryptoExchange.Net.Interfaces;
-
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common order book
-    /// </summary>
-    public interface ICommonOrderBook
-    {
-        /// <summary>
-        /// Bids
-        /// </summary>
-        IEnumerable<ISymbolOrderBookEntry> CommonBids { get; }
-        /// <summary>
-        /// Asks
-        /// </summary>
-        IEnumerable<ISymbolOrderBookEntry> CommonAsks { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/IPlacedOrder.cs b/CryptoExchange.Net/ExchangeInterfaces/IPlacedOrder.cs
deleted file mode 100644
index b576f96..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/IPlacedOrder.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common order id
-    /// </summary>
-    public interface ICommonOrderId
-    {
-        /// <summary>
-        /// Id of the order
-        /// </summary>
-        public string CommonId { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/IRecentTrade.cs b/CryptoExchange.Net/ExchangeInterfaces/IRecentTrade.cs
deleted file mode 100644
index e1a4a27..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/IRecentTrade.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Recent trade
-    /// </summary>
-    public interface ICommonRecentTrade
-    {
-        /// <summary>
-        /// Price of the trade
-        /// </summary>
-        decimal CommonPrice { get; }
-        /// <summary>
-        /// Quantity of the trade
-        /// </summary>
-        decimal CommonQuantity { get; }
-        /// <summary>
-        /// Trade time
-        /// </summary>
-        DateTime CommonTradeTime { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/ISymbol.cs b/CryptoExchange.Net/ExchangeInterfaces/ISymbol.cs
deleted file mode 100644
index 9cb73de..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/ISymbol.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common symbol
-    /// </summary>
-    public interface ICommonSymbol
-    {
-        /// <summary>
-        /// Symbol name
-        /// </summary>
-        public string CommonName { get; }
-        /// <summary>
-        /// Minimum trade quantity
-        /// </summary>
-        public decimal CommonMinimumTradeQuantity { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/ITicker.cs b/CryptoExchange.Net/ExchangeInterfaces/ITicker.cs
deleted file mode 100644
index f2c7360..0000000
--- a/CryptoExchange.Net/ExchangeInterfaces/ITicker.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-namespace CryptoExchange.Net.ExchangeInterfaces
-{
-    /// <summary>
-    /// Common ticker
-    /// </summary>
-    public interface ICommonTicker
-    {
-        /// <summary>
-        /// Symbol name
-        /// </summary>
-        public string CommonSymbol { get; }
-        /// <summary>
-        /// High price
-        /// </summary>
-        public decimal CommonHighPrice { get; }
-        /// <summary>
-        /// Low price
-        /// </summary>
-        public decimal CommonLowPrice { get; }
-        /// <summary>
-        /// Volume
-        /// </summary>
-        public decimal CommonVolume { get; }
-    }
-}
diff --git a/CryptoExchange.Net/ExchangeInterfaces/IExchangeClient.cs b/CryptoExchange.Net/Interfaces/ISpotClient.cs
similarity index 60%
rename from CryptoExchange.Net/ExchangeInterfaces/IExchangeClient.cs
rename to CryptoExchange.Net/Interfaces/ISpotClient.cs
index 500eada..84910ea 100644
--- a/CryptoExchange.Net/ExchangeInterfaces/IExchangeClient.cs
+++ b/CryptoExchange.Net/Interfaces/ISpotClient.cs
@@ -1,14 +1,15 @@
-using System;
+using CryptoExchange.Net.ComonObjects;
+using CryptoExchange.Net.Objects;
+using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
-using CryptoExchange.Net.Objects;
 
-namespace CryptoExchange.Net.ExchangeInterfaces
+namespace CryptoExchange.Net.Interfaces
 {
     /// <summary>
-    /// Shared interface for exchange wrappers based on the CryptoExchange.Net package
+    /// Comon rest client endpoints
     /// </summary>
-    public interface IExchangeClient
+    public interface IBaseRestClient
     {
         /// <summary>
         /// The name of the exchange
@@ -18,11 +19,11 @@ namespace CryptoExchange.Net.ExchangeInterfaces
         /// <summary>
         /// Should be triggered on order placing
         /// </summary>
-        event Action<ICommonOrderId> OnOrderPlaced;
+        event Action<OrderId> OnOrderPlaced;
         /// <summary>
         /// Should be triggered on order cancelling
         /// </summary>
-        event Action<ICommonOrderId> OnOrderCanceled;
+        event Action<OrderId> OnOrderCanceled;
 
         /// <summary>
         /// Get the symbol name based on a base and quote asset
@@ -36,20 +37,20 @@ namespace CryptoExchange.Net.ExchangeInterfaces
         /// Get a list of symbols for the exchange
         /// </summary>
         /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonSymbol>>> GetSymbolsAsync();
-
-        /// <summary>
-        /// Get a list of tickers for the exchange
-        /// </summary>
-        /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonTicker>>> GetTickersAsync();
+        Task<WebCallResult<IEnumerable<Symbol>>> GetSymbolsAsync();
 
         /// <summary>
         /// Get a ticker for the exchange
         /// </summary>
         /// <param name="symbol">The symbol to get klines for</param>
         /// <returns></returns>
-        Task<WebCallResult<ICommonTicker>> GetTickerAsync(string symbol);
+        Task<WebCallResult<Ticker>> GetTickerAsync(string symbol);
+
+        /// <summary>
+        /// Get a list of tickers for the exchange
+        /// </summary>
+        /// <returns></returns>
+        Task<WebCallResult<IEnumerable<Ticker>>> GetTickersAsync();
 
         /// <summary>
         /// Get a list of candles for a given symbol on the exchange
@@ -60,20 +61,98 @@ namespace CryptoExchange.Net.ExchangeInterfaces
         /// <param name="endTime">[Optional] End time to retrieve klines for</param>
         /// <param name="limit">[Optional] Max number of results</param>
         /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonKline>>> GetKlinesAsync(string symbol, TimeSpan timespan, DateTime? startTime = null, DateTime? endTime = null, int? limit = null);
+        Task<WebCallResult<IEnumerable<Kline>>> GetKlinesAsync(string symbol, TimeSpan timespan, DateTime? startTime = null, DateTime? endTime = null, int? limit = null);
+
         /// <summary>
         /// Get the order book for a symbol
         /// </summary>
         /// <param name="symbol">The symbol to get the book for</param>
         /// <returns></returns>
-        Task<WebCallResult<ICommonOrderBook>> GetOrderBookAsync(string symbol);
+        Task<WebCallResult<ComonObjects.OrderBook>> GetOrderBookAsync(string symbol);
+
         /// <summary>
         /// The recent trades for a symbol
         /// </summary>
         /// <param name="symbol">The symbol to get the trades for</param>
         /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonRecentTrade>>> GetRecentTradesAsync(string symbol);
+        Task<WebCallResult<IEnumerable<Trade>>> GetRecentTradesAsync(string symbol);
 
+        /// <summary>
+        /// Get balances
+        /// </summary>
+        /// <param name="accountId">[Optional] The account id to retrieve balances for, required for some exchanges, ignored otherwise</param>
+        /// <returns></returns>
+        Task<WebCallResult<IEnumerable<Balance>>> GetBalancesAsync(string? accountId = null);
+
+        /// <summary>
+        /// Get an order by id
+        /// </summary>
+        /// <param name="orderId">The id</param>
+        /// <param name="symbol">[Optional] The symbol the order is on, required for some exchanges, ignored otherwise</param>
+        /// <returns></returns>
+        Task<WebCallResult<Order>> GetOrderAsync(string orderId, string? symbol = null);
+
+        /// <summary>
+        /// Get trades for an order by id
+        /// </summary>
+        /// <param name="orderId">The id</param>
+        /// <param name="symbol">[Optional] The symbol the order is on, required for some exchanges, ignored otherwise</param>
+        /// <returns></returns>
+        Task<WebCallResult<IEnumerable<UserTrade>>> GetOrderTradesAsync(string orderId, string? symbol = null);
+
+        /// <summary>
+        /// Get a list of open orders
+        /// </summary>
+        /// <param name="symbol">[Optional] The symbol to get open orders for, required for some exchanges, ignored otherwise</param>
+        /// <returns></returns>
+        Task<WebCallResult<IEnumerable<Order>>> GetOpenOrdersAsync(string? symbol = null);
+
+        /// <summary>
+        /// Get a list of closed orders
+        /// </summary>
+        /// <param name="symbol">[Optional] The symbol to get closed orders for, required for some exchanges, ignored otherwise</param>
+        /// <returns></returns>
+        Task<WebCallResult<IEnumerable<Order>>> GetClosedOrdersAsync(string? symbol = null);
+
+        /// <summary>
+        /// Cancel an order by id
+        /// </summary>
+        /// <param name="orderId">The id</param>
+        /// <param name="symbol">[Optional] The symbol the order is on, required for some exchanges, ignored otherwise</param>
+        /// <returns></returns>
+        Task<WebCallResult<OrderId>> CancelOrderAsync(string orderId, string? symbol = null);
+    }
+
+    /// <summary>
+    /// Comon futures endpoints
+    /// </summary>
+    public interface IFuturesClient: IBaseRestClient
+    {
+        /// <summary>
+        /// Place an order
+        /// </summary>
+        /// <param name="symbol">The symbol the order is for</param>
+        /// <param name="side">The side of the order</param>
+        /// <param name="type">The type of the order</param>
+        /// <param name="quantity">The quantity of the order</param>
+        /// <param name="price">The price of the order, only for limit orders</param>
+        /// <param name="accountId">[Optional] The account id to place the order on, required for some exchanges, ignored otherwise</param>
+        /// <param name="leverage">[Optional] Leverage for this order. This is needed for some exchanges. For exchanges where this is not needed this parameter is ignored (and should be set before hand)</param>
+        /// <returns>The id of the resulting order</returns>
+        Task<WebCallResult<OrderId>> PlaceOrderAsync(string symbol, OrderSide side, OrderType type, decimal quantity, decimal? price = null, int? leverage = null, string? accountId = null);
+
+        /// <summary>
+        /// Get position
+        /// </summary>
+        /// <returns></returns>
+        Task<WebCallResult<IEnumerable<Position>>> GetPositionsAsync();
+    }
+
+    /// <summary>
+    /// Comon spot endpoints
+    /// </summary>
+    public interface ISpotClient: IBaseRestClient
+    {
         /// <summary>
         /// Place an order
         /// </summary>
@@ -84,99 +163,6 @@ namespace CryptoExchange.Net.ExchangeInterfaces
         /// <param name="price">The price of the order, only for limit orders</param>
         /// <param name="accountId">[Optional] The account id to place the order on, required for some exchanges, ignored otherwise</param>
         /// <returns>The id of the resulting order</returns>
-        Task<WebCallResult<ICommonOrderId>> PlaceOrderAsync(string symbol, OrderSide side, OrderType type, decimal quantity, decimal? price = null, string? accountId = null);
-        /// <summary>
-        /// Get an order by id
-        /// </summary>
-        /// <param name="orderId">The id</param>
-        /// <param name="symbol">[Optional] The symbol the order is on, required for some exchanges, ignored otherwise</param>
-        /// <returns></returns>
-        Task<WebCallResult<ICommonOrder>> GetOrderAsync(string orderId, string? symbol = null);
-        /// <summary>
-        /// Get trades for an order by id
-        /// </summary>
-        /// <param name="orderId">The id</param>
-        /// <param name="symbol">[Optional] The symbol the order is on, required for some exchanges, ignored otherwise</param>
-        /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonTrade>>> GetTradesAsync(string orderId, string? symbol = null);
-        /// <summary>
-        /// Get a list of open orders
-        /// </summary>
-        /// <param name="symbol">[Optional] The symbol to get open orders for, required for some exchanges, ignored otherwise</param>
-        /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonOrder>>> GetOpenOrdersAsync(string? symbol = null);
-
-        /// <summary>
-        /// Get a list of closed orders
-        /// </summary>
-        /// <param name="symbol">[Optional] The symbol to get closed orders for, required for some exchanges, ignored otherwise</param>
-        /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonOrder>>> GetClosedOrdersAsync(string? symbol = null);
-        /// <summary>
-        /// Cancel an order by id
-        /// </summary>
-        /// <param name="orderId">The id</param>
-        /// <param name="symbol">[Optional] The symbol the order is on, required for some exchanges, ignored otherwise</param>
-        /// <returns></returns>
-        Task<WebCallResult<ICommonOrderId>> CancelOrderAsync(string orderId, string? symbol = null);
-
-        /// <summary>
-        /// Get balances
-        /// </summary>
-        /// <param name="accountId">[Optional] The account id to retrieve balances for, required for some exchanges, ignored otherwise</param>
-        /// <returns></returns>
-        Task<WebCallResult<IEnumerable<ICommonBalance>>> GetBalancesAsync(string? accountId = null);
-
-        /// <summary>
-        /// Common order id
-        /// </summary>
-        public enum OrderType
-        {
-            /// <summary>
-            /// Limit type
-            /// </summary>
-            Limit,
-            /// <summary>
-            /// Market type
-            /// </summary>
-            Market,
-            /// <summary>
-            /// Other order type
-            /// </summary>
-            Other
-        }
-
-        /// <summary>
-        /// Common order side
-        /// </summary>
-        public enum OrderSide
-        {
-            /// <summary>
-            /// Buy order
-            /// </summary>
-            Buy,
-            /// <summary>
-            /// Sell order
-            /// </summary>
-            Sell
-        }
-        /// <summary>
-        /// Common order status
-        /// </summary>
-        public enum OrderStatus
-        {
-            /// <summary>
-            /// placed and not fully filled order
-            /// </summary>
-            Active,
-            /// <summary>
-            /// canceled order
-            /// </summary>
-            Canceled,
-            /// <summary>
-            /// filled order
-            /// </summary>
-            Filled
-        }
+        Task<WebCallResult<OrderId>> PlaceOrderAsync(string symbol, OrderSide side, OrderType type, decimal quantity, decimal? price = null, string? accountId = null);
     }
 }