diff --git a/src/Components/WebAssembly/Server/src/WebAssemblyRazorComponentsBuilderExtensions.cs b/src/Components/WebAssembly/Server/src/WebAssemblyRazorComponentsBuilderExtensions.cs
index 0dfb50ef840a..d783bede44f5 100644
--- a/src/Components/WebAssembly/Server/src/WebAssemblyRazorComponentsBuilderExtensions.cs
+++ b/src/Components/WebAssembly/Server/src/WebAssemblyRazorComponentsBuilderExtensions.cs
@@ -5,6 +5,7 @@
 using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.AspNetCore.Components.Endpoints.Infrastructure;
 using Microsoft.AspNetCore.Components.WebAssembly.Server;
+using Microsoft.AspNetCore.Components.WebAssembly.Services;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace Microsoft.Extensions.DependencyInjection;
@@ -24,6 +25,7 @@ public static IRazorComponentsBuilder AddInteractiveWebAssemblyComponents(this I
         ArgumentNullException.ThrowIfNull(builder, nameof(builder));
 
         builder.Services.TryAddEnumerable(ServiceDescriptor.Singleton<RenderModeEndpointProvider, WebAssemblyEndpointProvider>());
+        builder.Services.TryAddScoped<LazyAssemblyLoader>();
 
         return builder;
     }
diff --git a/src/Components/WebAssembly/WebAssembly/src/Properties/AssemblyInfo.cs b/src/Components/WebAssembly/WebAssembly/src/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000000..03836e5f660f
--- /dev/null
+++ b/src/Components/WebAssembly/WebAssembly/src/Properties/AssemblyInfo.cs
@@ -0,0 +1,6 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Runtime.CompilerServices;
+
+[assembly: TypeForwardedTo(typeof(Microsoft.AspNetCore.Components.WebAssembly.Services.LazyAssemblyLoader))]
diff --git a/src/Components/WebAssembly/WebAssembly/src/Services/LazyAssemblyLoader.cs b/src/JSInterop/Microsoft.JSInterop/src/LazyAssemblyLoader.cs
similarity index 100%
rename from src/Components/WebAssembly/WebAssembly/src/Services/LazyAssemblyLoader.cs
rename to src/JSInterop/Microsoft.JSInterop/src/LazyAssemblyLoader.cs
diff --git a/src/JSInterop/Microsoft.JSInterop/src/PublicAPI.Unshipped.txt b/src/JSInterop/Microsoft.JSInterop/src/PublicAPI.Unshipped.txt
index 3270d74b01a0..46eac67e5bb9 100644
--- a/src/JSInterop/Microsoft.JSInterop/src/PublicAPI.Unshipped.txt
+++ b/src/JSInterop/Microsoft.JSInterop/src/PublicAPI.Unshipped.txt
@@ -1,6 +1,9 @@
 #nullable enable
 abstract Microsoft.JSInterop.JSInProcessRuntime.InvokeJS(in Microsoft.JSInterop.Infrastructure.JSInvocationInfo invocationInfo) -> string?
 abstract Microsoft.JSInterop.JSRuntime.BeginInvokeJS(in Microsoft.JSInterop.Infrastructure.JSInvocationInfo invocationInfo) -> void
+Microsoft.AspNetCore.Components.WebAssembly.Services.LazyAssemblyLoader
+Microsoft.AspNetCore.Components.WebAssembly.Services.LazyAssemblyLoader.LazyAssemblyLoader(Microsoft.JSInterop.IJSRuntime! jsRuntime) -> void
+Microsoft.AspNetCore.Components.WebAssembly.Services.LazyAssemblyLoader.LoadAssembliesAsync(System.Collections.Generic.IEnumerable<string!>! assembliesToLoad) -> System.Threading.Tasks.Task<System.Collections.Generic.IEnumerable<System.Reflection.Assembly!>!>!
 Microsoft.JSInterop.IJSInProcessObjectReference.GetValue<TValue>(string! identifier) -> TValue
 Microsoft.JSInterop.IJSInProcessObjectReference.InvokeNew(string! identifier, object?[]? args) -> Microsoft.JSInterop.IJSInProcessObjectReference!
 Microsoft.JSInterop.IJSInProcessObjectReference.SetValue<TValue>(string! identifier, TValue value) -> void