diff --git a/Kucoin.Net/Clients/SpotApi/KucoinRestClientSpotApiHfTrading.cs b/Kucoin.Net/Clients/SpotApi/KucoinRestClientSpotApiHfTrading.cs
index d3efc627..dfb354f4 100644
--- a/Kucoin.Net/Clients/SpotApi/KucoinRestClientSpotApiHfTrading.cs
+++ b/Kucoin.Net/Clients/SpotApi/KucoinRestClientSpotApiHfTrading.cs
@@ -194,7 +194,7 @@ public async Task<WebCallResult<KucoinOrderId>> PlaceTestOrderAsync(
         }
 
         /// <inheritdoc />
-        public async Task<WebCallResult<IEnumerable<KucoinBulkMinimalResponseEntry>>> PlaceMultipleOrdersAsync(string symbol, IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default)
+        public async Task<WebCallResult<IEnumerable<KucoinBulkMinimalResponseEntry>>> PlaceMultipleOrdersAsync(IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default)
         {
             var orderList = orders.ToList();
             if (!orderList.Any())
@@ -206,7 +206,6 @@ public async Task<WebCallResult<IEnumerable<KucoinBulkMinimalResponseEntry>>> Pl
 
             var parameters = new ParameterCollection
             {
-                { "symbol", symbol },
                 { "orderList", orderList }
             };
 
@@ -223,7 +222,7 @@ public async Task<WebCallResult<IEnumerable<KucoinBulkMinimalResponseEntry>>> Pl
         }
 
         /// <inheritdoc />
-        public async Task<WebCallResult<IEnumerable<KucoinHfBulkOrderResponse>>> PlaceMultipleOrdersWaitAsync(string symbol, IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default)
+        public async Task<WebCallResult<IEnumerable<KucoinHfBulkOrderResponse>>> PlaceMultipleOrdersWaitAsync(IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default)
         {
             var orderList = orders.ToList();
             if (!orderList.Any())
@@ -235,7 +234,6 @@ public async Task<WebCallResult<IEnumerable<KucoinHfBulkOrderResponse>>> PlaceMu
 
             var parameters = new ParameterCollection
             {
-                { "symbol", symbol },
                 { "orderList", orderList }
             };
 
diff --git a/Kucoin.Net/Interfaces/Clients/SpotApi/IKucoinRestClientSpotApiHfTrading.cs b/Kucoin.Net/Interfaces/Clients/SpotApi/IKucoinRestClientSpotApiHfTrading.cs
index 454ff5fe..6aa7304f 100644
--- a/Kucoin.Net/Interfaces/Clients/SpotApi/IKucoinRestClientSpotApiHfTrading.cs
+++ b/Kucoin.Net/Interfaces/Clients/SpotApi/IKucoinRestClientSpotApiHfTrading.cs
@@ -154,21 +154,19 @@ Task<WebCallResult<KucoinModifiedOrder>> EditOrderAsync(
         /// Place multiple orders and only wait for confirmation. This is the faster version of <see cref="PlaceMultipleOrdersWaitAsync" />
         /// <para><a href="https://www.kucoin.com/docs/rest/spot-trading/spot-hf-trade-pro-account/place-multiple-orders" /></para>
         /// </summary>
-        /// <param name="symbol">Symbol</param>
         /// <param name="orders">Orders to place</param>
         /// <param name="ct">Cancellation token</param>
         /// <returns></returns>
-        Task<WebCallResult<IEnumerable<KucoinBulkMinimalResponseEntry>>> PlaceMultipleOrdersAsync(string symbol, IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default);
+        Task<WebCallResult<IEnumerable<KucoinBulkMinimalResponseEntry>>> PlaceMultipleOrdersAsync(IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default);
 
         /// <summary>
         /// Place multiple orders and wait for and return the full order results. This is the slower version of <see cref="PlaceMultipleOrdersAsync" />
         /// <para><a href="https://www.kucoin.com/docs/rest/spot-trading/spot-hf-trade-pro-account/sync-place-multiple-hf-orders" /></para>
         /// </summary>
-        /// <param name="symbol">Symbol</param>
         /// <param name="orders">Orders to place</param>
         /// <param name="ct">Cancellation token</param>
         /// <returns></returns>
-        Task<WebCallResult<IEnumerable<KucoinHfBulkOrderResponse>>> PlaceMultipleOrdersWaitAsync(string symbol, IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default);
+        Task<WebCallResult<IEnumerable<KucoinHfBulkOrderResponse>>> PlaceMultipleOrdersWaitAsync(IEnumerable<KucoinHfBulkOrderRequestEntry> orders, CancellationToken ct = default);
 
         /// <summary>
         /// Cancel an order and only wait for confirmation. This is the faster version of <see cref="CancelOrderWaitAsync" />
diff --git a/Kucoin.Net/Kucoin.Net.xml b/Kucoin.Net/Kucoin.Net.xml
index 7b0bf6db..3f5f9738 100644
--- a/Kucoin.Net/Kucoin.Net.xml
+++ b/Kucoin.Net/Kucoin.Net.xml
@@ -556,10 +556,10 @@
         <member name="M:Kucoin.Net.Clients.SpotApi.KucoinRestClientSpotApiHfTrading.PlaceTestOrderAsync(System.String,Kucoin.Net.Enums.OrderSide,Kucoin.Net.Enums.NewOrderType,System.Nullable{System.Decimal},System.Nullable{System.Decimal},System.Nullable{System.Decimal},System.Nullable{Kucoin.Net.Enums.TimeInForce},System.Nullable{System.TimeSpan},System.Nullable{System.Boolean},System.Nullable{System.Boolean},System.Nullable{System.Boolean},System.Nullable{System.Decimal},System.String,System.String,System.Nullable{Kucoin.Net.Enums.SelfTradePrevention},System.Threading.CancellationToken)">
             <inheritdoc />
         </member>
-        <member name="M:Kucoin.Net.Clients.SpotApi.KucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersAsync(System.String,System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
+        <member name="M:Kucoin.Net.Clients.SpotApi.KucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersAsync(System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
             <inheritdoc />
         </member>
-        <member name="M:Kucoin.Net.Clients.SpotApi.KucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersWaitAsync(System.String,System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
+        <member name="M:Kucoin.Net.Clients.SpotApi.KucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersWaitAsync(System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
             <inheritdoc />
         </member>
         <member name="M:Kucoin.Net.Clients.SpotApi.KucoinRestClientSpotApiHfTrading.EditOrderAsync(System.String,System.String,System.String,System.Nullable{System.Decimal},System.Nullable{System.Decimal},System.Threading.CancellationToken)">
@@ -3593,22 +3593,20 @@
             <param name="ct">Cancellation token</param>
             <returns>The id of the modified order</returns>
         </member>
-        <member name="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersAsync(System.String,System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
+        <member name="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersAsync(System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
             <summary>
-            Place multiple orders and only wait for confirmation. This is the faster version of <see cref="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersWaitAsync(System.String,System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)" />
+            Place multiple orders and only wait for confirmation. This is the faster version of <see cref="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersWaitAsync(System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)" />
             <para><a href="https://www.kucoin.com/docs/rest/spot-trading/spot-hf-trade-pro-account/place-multiple-orders" /></para>
             </summary>
-            <param name="symbol">Symbol</param>
             <param name="orders">Orders to place</param>
             <param name="ct">Cancellation token</param>
             <returns></returns>
         </member>
-        <member name="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersWaitAsync(System.String,System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
+        <member name="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersWaitAsync(System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)">
             <summary>
-            Place multiple orders and wait for and return the full order results. This is the slower version of <see cref="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersAsync(System.String,System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)" />
+            Place multiple orders and wait for and return the full order results. This is the slower version of <see cref="M:Kucoin.Net.Interfaces.Clients.SpotApi.IKucoinRestClientSpotApiHfTrading.PlaceMultipleOrdersAsync(System.Collections.Generic.IEnumerable{Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry},System.Threading.CancellationToken)" />
             <para><a href="https://www.kucoin.com/docs/rest/spot-trading/spot-hf-trade-pro-account/sync-place-multiple-hf-orders" /></para>
             </summary>
-            <param name="symbol">Symbol</param>
             <param name="orders">Orders to place</param>
             <param name="ct">Cancellation token</param>
             <returns></returns>
@@ -8546,7 +8544,7 @@
         </member>
         <member name="P:Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry.CancelAfter">
             <summary>
-            Time after which the order is canceled
+            Timespan in seconds after which the order is canceled
             </summary>
         </member>
         <member name="P:Kucoin.Net.Objects.Models.Spot.KucoinHfBulkOrderRequestEntry.PostOnly">
diff --git a/Kucoin.Net/Objects/Models/Spot/KucoinHfBulkOrderRequestEntry.cs b/Kucoin.Net/Objects/Models/Spot/KucoinHfBulkOrderRequestEntry.cs
index 2d91fe51..9185ed2c 100644
--- a/Kucoin.Net/Objects/Models/Spot/KucoinHfBulkOrderRequestEntry.cs
+++ b/Kucoin.Net/Objects/Models/Spot/KucoinHfBulkOrderRequestEntry.cs
@@ -68,11 +68,10 @@ public record KucoinHfBulkOrderRequestEntry
         [JsonProperty("timeInForce")]
         public TimeInForce? TimeInForce { get; set; }
         /// <summary>
-        /// Time after which the order is canceled
+        /// Timespan in seconds after which the order is canceled
         /// </summary>
-        [JsonConverter(typeof(DateTimeConverter))]
         [JsonProperty("cancelAfter")]
-        public DateTime? CancelAfter { get; set; }
+        public int? CancelAfter { get; set; }
         /// <summary>
         /// Whether the order is post only
         /// </summary>