diff --git a/dotnet/src/webdriver/BiDi/Browser/ClientWindow.cs b/dotnet/src/webdriver/BiDi/Browser/ClientWindow.cs
index 44387a5d67441..d8203dac5962b 100644
--- a/dotnet/src/webdriver/BiDi/Browser/ClientWindow.cs
+++ b/dotnet/src/webdriver/BiDi/Browser/ClientWindow.cs
@@ -17,8 +17,12 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using System.Text.Json.Serialization;
+
 namespace OpenQA.Selenium.BiDi.Browser;
 
+[JsonConverter(typeof(BrowserClientWindowConverter))]
 public sealed record ClientWindow
 {
     internal ClientWindow(string id)
diff --git a/dotnet/src/webdriver/BiDi/Browser/GetClientWindowsCommand.cs b/dotnet/src/webdriver/BiDi/Browser/GetClientWindowsCommand.cs
index 2d90714d20fec..f5482e65c8b0a 100644
--- a/dotnet/src/webdriver/BiDi/Browser/GetClientWindowsCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Browser/GetClientWindowsCommand.cs
@@ -18,8 +18,10 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System.Collections;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.Browser;
 
@@ -28,6 +30,7 @@ internal sealed class GetClientWindowsCommand()
 
 public sealed class GetClientWindowsOptions : CommandOptions;
 
+[JsonConverter(typeof(GetClientWindowsResultConverter))]
 public sealed record GetClientWindowsResult : EmptyResult, IReadOnlyList<ClientWindowInfo>
 {
     internal GetClientWindowsResult(IReadOnlyList<ClientWindowInfo> clientWindows)
diff --git a/dotnet/src/webdriver/BiDi/Browser/GetUserContextsCommand.cs b/dotnet/src/webdriver/BiDi/Browser/GetUserContextsCommand.cs
index 67d1648186f31..08b3b887ba032 100644
--- a/dotnet/src/webdriver/BiDi/Browser/GetUserContextsCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Browser/GetUserContextsCommand.cs
@@ -18,8 +18,10 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System.Collections;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.Browser;
 
@@ -28,6 +30,7 @@ internal sealed class GetUserContextsCommand()
 
 public class GetUserContextsOptions : CommandOptions;
 
+[JsonConverter(typeof(GetUserContextsResultConverter))]
 public sealed record GetUserContextsResult : EmptyResult, IReadOnlyList<UserContextInfo>
 {
     internal GetUserContextsResult(IReadOnlyList<UserContextInfo> userContexts)
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEventArgs.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEventArgs.cs
index 59812df106df4..1e3dda74f7808 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEventArgs.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/DownloadEndEventArgs.cs
@@ -17,7 +17,9 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Polymorphic;
 using System;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.BrowsingContext;
 
@@ -25,6 +27,7 @@ namespace OpenQA.Selenium.BiDi.BrowsingContext;
 //[JsonPolymorphic(TypeDiscriminatorPropertyName = "status")]
 //[JsonDerivedType(typeof(DownloadCanceledEventArgs), "canceled")]
 //[JsonDerivedType(typeof(DownloadCompleteEventArgs), "complete")]
+[JsonConverter(typeof(DownloadEndEventArgsConverter))]
 public abstract record DownloadEndEventArgs(BiDi BiDi, BrowsingContext Context)
     : BrowsingContextEventArgs(BiDi, Context);
 
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/GetTreeCommand.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/GetTreeCommand.cs
index fdc9d0c284d38..f3d989f40f94f 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/GetTreeCommand.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/GetTreeCommand.cs
@@ -18,8 +18,10 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System.Collections;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.BrowsingContext;
 
@@ -47,6 +49,7 @@ public sealed record BrowsingContextGetTreeOptions
     public long? MaxDepth { get; set; }
 }
 
+[JsonConverter(typeof(GetTreeResultConverter))]
 public sealed record GetTreeResult : EmptyResult, IReadOnlyList<BrowsingContextInfo>
 {
     internal GetTreeResult(IReadOnlyList<BrowsingContextInfo> contexts)
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/LocateNodesCommand.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/LocateNodesCommand.cs
index 3f38ab986eeaf..9ba8872e2f76e 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/LocateNodesCommand.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/LocateNodesCommand.cs
@@ -18,8 +18,10 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System.Collections;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.BrowsingContext;
 
@@ -37,6 +39,7 @@ public sealed class LocateNodesOptions : CommandOptions
     public IEnumerable<Script.ISharedReference>? StartNodes { get; set; }
 }
 
+[JsonConverter(typeof(LocateNodesResultConverter))]
 public sealed record LocateNodesResult : EmptyResult, IReadOnlyList<Script.NodeRemoteValue>
 {
     internal LocateNodesResult(IReadOnlyList<Script.NodeRemoteValue> nodes)
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/Navigation.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/Navigation.cs
index c763d7cc4a482..9acb3047f7c52 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/Navigation.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/Navigation.cs
@@ -17,6 +17,10 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using System.Text.Json.Serialization;
+
 namespace OpenQA.Selenium.BiDi.BrowsingContext;
 
+[JsonConverter(typeof(NavigationConverter))]
 public sealed record Navigation(string Id);
diff --git a/dotnet/src/webdriver/BiDi/BrowsingContext/PrintCommand.cs b/dotnet/src/webdriver/BiDi/BrowsingContext/PrintCommand.cs
index 41b184c98ce7f..85cad725ca42a 100644
--- a/dotnet/src/webdriver/BiDi/BrowsingContext/PrintCommand.cs
+++ b/dotnet/src/webdriver/BiDi/BrowsingContext/PrintCommand.cs
@@ -72,6 +72,7 @@ public struct PrintPage
     public double? Width { get; set; }
 }
 
+[JsonConverter(typeof(PrintPageRangeConverter))]
 public readonly record struct PrintPageRange(int? Start, int? End)
 {
     public static implicit operator PrintPageRange(int index) { return new PrintPageRange(index, index); }
diff --git a/dotnet/src/webdriver/BiDi/Communication/Broker.cs b/dotnet/src/webdriver/BiDi/Communication/Broker.cs
index 8f5b7848bb21f..3049ea23a2e50 100644
--- a/dotnet/src/webdriver/BiDi/Communication/Broker.cs
+++ b/dotnet/src/webdriver/BiDi/Communication/Broker.cs
@@ -72,39 +72,15 @@ internal Broker(BiDi bidi, Uri url)
             Converters =
             {
                 new BrowsingContextConverter(_bidi),
-                new BrowserUserContextConverter(bidi),
-                new BrowserClientWindowConverter(),
-                new NavigationConverter(),
+                new BrowserUserContextConverter(_bidi),
                 new CollectorConverter(_bidi),
                 new InterceptConverter(_bidi),
-                new RequestConverter(),
-                new ChannelConverter(),
                 new HandleConverter(_bidi),
                 new InternalIdConverter(_bidi),
                 new PreloadScriptConverter(_bidi),
                 new RealmConverter(_bidi),
                 new DateTimeOffsetConverter(),
-                new PrintPageRangeConverter(),
-                new InputOriginConverter(),
                 new WebExtensionConverter(_bidi),
-                new SubscriptionConverter(),
-
-                // https://github.com/dotnet/runtime/issues/72604
-                new Json.Converters.Polymorphic.EvaluateResultConverter(),
-                new Json.Converters.Polymorphic.RemoteValueConverter(),
-                new Json.Converters.Polymorphic.RealmInfoConverter(),
-                new Json.Converters.Polymorphic.LogEntryConverter(),
-                new Json.Converters.Polymorphic.DownloadEndEventArgsConverter(),
-                //
-
-                // Enumerable
-                new Json.Converters.Enumerable.GetCookiesResultConverter(),
-                new Json.Converters.Enumerable.LocateNodesResultConverter(),
-                new Json.Converters.Enumerable.InputSourceActionsConverter(),
-                new Json.Converters.Enumerable.GetUserContextsResultConverter(),
-                new Json.Converters.Enumerable.GetClientWindowsResultConverter(),
-                new Json.Converters.Enumerable.GetRealmsResultConverter(),
-                new Json.Converters.Enumerable.GetTreeResultConverter(),
             }
         };
 
diff --git a/dotnet/src/webdriver/BiDi/Input/Origin.cs b/dotnet/src/webdriver/BiDi/Input/Origin.cs
index 55eb1eb6361f3..fc1d4dcc61377 100644
--- a/dotnet/src/webdriver/BiDi/Input/Origin.cs
+++ b/dotnet/src/webdriver/BiDi/Input/Origin.cs
@@ -17,8 +17,12 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using System.Text.Json.Serialization;
+
 namespace OpenQA.Selenium.BiDi.Input;
 
+[JsonConverter(typeof(InputOriginConverter))]
 public abstract record Origin;
 
 public sealed record ViewportOrigin() : Origin;
diff --git a/dotnet/src/webdriver/BiDi/Input/SourceActions.cs b/dotnet/src/webdriver/BiDi/Input/SourceActions.cs
index e1152b1d3d89b..cfc5983e2b066 100644
--- a/dotnet/src/webdriver/BiDi/Input/SourceActions.cs
+++ b/dotnet/src/webdriver/BiDi/Input/SourceActions.cs
@@ -18,6 +18,7 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -25,6 +26,7 @@
 
 namespace OpenQA.Selenium.BiDi.Input;
 
+[JsonConverter(typeof(InputSourceActionsConverter))]
 public abstract record SourceActions
 {
     public string Id { get; } = Guid.NewGuid().ToString();
diff --git a/dotnet/src/webdriver/BiDi/Log/LogEntry.cs b/dotnet/src/webdriver/BiDi/Log/LogEntry.cs
index b08d9d207dbe6..783495c3fef26 100644
--- a/dotnet/src/webdriver/BiDi/Log/LogEntry.cs
+++ b/dotnet/src/webdriver/BiDi/Log/LogEntry.cs
@@ -18,6 +18,7 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Polymorphic;
 using System;
 using System.Collections.Generic;
 using System.Text.Json.Serialization;
@@ -29,6 +30,7 @@ namespace OpenQA.Selenium.BiDi.Log;
 //[JsonDerivedType(typeof(GenericLogEntry))]
 //[JsonDerivedType(typeof(ConsoleLogEntry), "console")]
 //[JsonDerivedType(typeof(JavascriptLogEntry), "javascript")]
+[JsonConverter(typeof(LogEntryConverter))]
 public abstract record LogEntry(BiDi BiDi, Level Level, Script.Source Source, string? Text, DateTimeOffset Timestamp)
     : EventArgs(BiDi)
 {
diff --git a/dotnet/src/webdriver/BiDi/Network/Request.cs b/dotnet/src/webdriver/BiDi/Network/Request.cs
index 0182c49838205..c3d97ace206ad 100644
--- a/dotnet/src/webdriver/BiDi/Network/Request.cs
+++ b/dotnet/src/webdriver/BiDi/Network/Request.cs
@@ -17,8 +17,12 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using System.Text.Json.Serialization;
+
 namespace OpenQA.Selenium.BiDi.Network;
 
+[JsonConverter(typeof(RequestConverter))]
 public sealed class Request
 {
     internal Request(string id)
diff --git a/dotnet/src/webdriver/BiDi/Script/Channel.cs b/dotnet/src/webdriver/BiDi/Script/Channel.cs
index ea21ef212f3d3..9d1ca1f61b5cf 100644
--- a/dotnet/src/webdriver/BiDi/Script/Channel.cs
+++ b/dotnet/src/webdriver/BiDi/Script/Channel.cs
@@ -17,6 +17,10 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using System.Text.Json.Serialization;
+
 namespace OpenQA.Selenium.BiDi.Script;
 
+[JsonConverter(typeof(ChannelConverter))]
 public sealed record Channel(string Id);
diff --git a/dotnet/src/webdriver/BiDi/Script/EvaluateCommand.cs b/dotnet/src/webdriver/BiDi/Script/EvaluateCommand.cs
index 170cc8ad01c08..3396c240e5148 100644
--- a/dotnet/src/webdriver/BiDi/Script/EvaluateCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Script/EvaluateCommand.cs
@@ -18,7 +18,9 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Polymorphic;
 using System;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.Script;
 
@@ -40,6 +42,7 @@ public sealed class EvaluateOptions : CommandOptions
 //[JsonPolymorphic(TypeDiscriminatorPropertyName = "type")]
 //[JsonDerivedType(typeof(EvaluateResultSuccess), "success")]
 //[JsonDerivedType(typeof(EvaluateResultException), "exception")]
+[JsonConverter(typeof(EvaluateResultConverter))]
 public abstract record EvaluateResult : EmptyResult
 {
     public RemoteValue AsSuccessResult()
diff --git a/dotnet/src/webdriver/BiDi/Script/GetRealmsCommand.cs b/dotnet/src/webdriver/BiDi/Script/GetRealmsCommand.cs
index 94f23a1063c4c..4adfd14c76acc 100644
--- a/dotnet/src/webdriver/BiDi/Script/GetRealmsCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Script/GetRealmsCommand.cs
@@ -18,8 +18,10 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System.Collections;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.Script;
 
@@ -35,6 +37,7 @@ public sealed class GetRealmsOptions : CommandOptions
     public RealmType? Type { get; set; }
 }
 
+[JsonConverter(typeof(GetRealmsResultConverter))]
 public sealed record GetRealmsResult : EmptyResult, IReadOnlyList<RealmInfo>
 {
     private readonly IReadOnlyList<RealmInfo> _realms;
diff --git a/dotnet/src/webdriver/BiDi/Script/RealmInfo.cs b/dotnet/src/webdriver/BiDi/Script/RealmInfo.cs
index 84a97bee9ee2c..c22c7cb52be8f 100644
--- a/dotnet/src/webdriver/BiDi/Script/RealmInfo.cs
+++ b/dotnet/src/webdriver/BiDi/Script/RealmInfo.cs
@@ -17,7 +17,9 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Polymorphic;
 using System.Collections.Generic;
+using System.Text.Json.Serialization;
 
 namespace OpenQA.Selenium.BiDi.Script;
 
@@ -31,6 +33,7 @@ namespace OpenQA.Selenium.BiDi.Script;
 //[JsonDerivedType(typeof(PaintWorkletRealmInfo), "paint-worklet")]
 //[JsonDerivedType(typeof(AudioWorkletRealmInfo), "audio-worklet")]
 //[JsonDerivedType(typeof(WorkletRealmInfo), "worklet")]
+[JsonConverter(typeof(RealmInfoConverter))]
 public abstract record RealmInfo(BiDi BiDi, Realm Realm, string Origin) : EventArgs(BiDi);
 
 public sealed record WindowRealmInfo(BiDi BiDi, Realm Realm, string Origin, BrowsingContext.BrowsingContext Context) : RealmInfo(BiDi, Realm, Origin)
diff --git a/dotnet/src/webdriver/BiDi/Script/RemoteValue.cs b/dotnet/src/webdriver/BiDi/Script/RemoteValue.cs
index e42ad9b1a942a..be58fcc6a2d77 100644
--- a/dotnet/src/webdriver/BiDi/Script/RemoteValue.cs
+++ b/dotnet/src/webdriver/BiDi/Script/RemoteValue.cs
@@ -18,12 +18,12 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Polymorphic;
 using System;
 using System.Collections.Generic;
 using System.Numerics;
 using System.Text.Json;
 using System.Text.Json.Serialization;
-using OpenQA.Selenium.BiDi.Communication.Json.Converters;
 
 namespace OpenQA.Selenium.BiDi.Script;
 
@@ -55,6 +55,7 @@ namespace OpenQA.Selenium.BiDi.Script;
 //[JsonDerivedType(typeof(HtmlCollectionRemoteValue), "htmlcollection")]
 //[JsonDerivedType(typeof(NodeRemoteValue), "node")]
 //[JsonDerivedType(typeof(WindowProxyRemoteValue), "window")]
+[JsonConverter(typeof(RemoteValueConverter))]
 public abstract record RemoteValue
 {
     public static implicit operator double(RemoteValue remoteValue) => (double)((NumberRemoteValue)remoteValue).Value;
diff --git a/dotnet/src/webdriver/BiDi/Session/Subscription.cs b/dotnet/src/webdriver/BiDi/Session/Subscription.cs
index 89788503a78f8..7f9899581f556 100644
--- a/dotnet/src/webdriver/BiDi/Session/Subscription.cs
+++ b/dotnet/src/webdriver/BiDi/Session/Subscription.cs
@@ -17,8 +17,12 @@
 // under the License.
 // </copyright>
 
+using OpenQA.Selenium.BiDi.Communication.Json.Converters;
+using System.Text.Json.Serialization;
+
 namespace OpenQA.Selenium.BiDi.Session;
 
+[JsonConverter(typeof(SubscriptionConverter))]
 public sealed class Subscription
 {
     internal Subscription(string id)
diff --git a/dotnet/src/webdriver/BiDi/Storage/GetCookiesCommand.cs b/dotnet/src/webdriver/BiDi/Storage/GetCookiesCommand.cs
index 781de8e09a4f9..8ff742f4a1e35 100644
--- a/dotnet/src/webdriver/BiDi/Storage/GetCookiesCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Storage/GetCookiesCommand.cs
@@ -18,6 +18,7 @@
 // </copyright>
 
 using OpenQA.Selenium.BiDi.Communication;
+using OpenQA.Selenium.BiDi.Communication.Json.Converters.Enumerable;
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -37,6 +38,7 @@ public sealed class GetCookiesOptions : CommandOptions
     public PartitionDescriptor? Partition { get; set; }
 }
 
+[JsonConverter(typeof(GetCookiesResultConverter))]
 public sealed record GetCookiesResult : EmptyResult, IReadOnlyList<Network.Cookie>
 {
     internal GetCookiesResult(IReadOnlyList<Network.Cookie> cookies, PartitionKey partitionKey)