diff --git a/dotnet/samples/KernelSyntaxExamples/Example52_ApimAuth.cs b/dotnet/samples/KernelSyntaxExamples/Example52_ApimAuth.cs
deleted file mode 100644
index 6ac99961479e..000000000000
--- a/dotnet/samples/KernelSyntaxExamples/Example52_ApimAuth.cs
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using System;
-using System.IO;
-using System.Net.Http;
-using System.Threading;
-using System.Threading.Tasks;
-using Azure.AI.OpenAI;
-using Azure.Core;
-using Azure.Core.Pipeline;
-using Azure.Identity;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
-using Microsoft.SemanticKernel;
-using RepoUtils;
-using Xunit.Abstractions;
-
-namespace Examples;
-
-public class Example52_ApimAuth : BaseTest
-{
-    public async Task RunAsync()
-    {
-        // Azure API Management details
-        // For more information see 'Protect your Azure OpenAI API keys with Azure API Management' here: https://learn.microsoft.com/en-us/semantic-kernel/deploy/
-        var apimUri = new Uri(Env.Var("Apim__Endpoint"));
-        var subscriptionKey = Env.Var("Apim__SubscriptionKey");
-
-        // Use interactive browser login
-        string[] scopes = new string[] { "https://cognitiveservices.azure.com/.default" };
-        var credential = new InteractiveBrowserCredential();
-        var requestContext = new TokenRequestContext(scopes);
-        var accessToken = await credential.GetTokenAsync(requestContext);
-
-        // Create HttpClient and include subscription key as a default header
-        var httpClient = new HttpClient();
-        httpClient.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", subscriptionKey);
-
-        // Configure OpenAIClient to use
-        // - Custom HttpClient with subscription key header
-        // - Diagnostics to log error response headers from APIM to aid problem determination
-        // - Authentication using BearerTokenCredential retrieved via interactive browser login
-        var clientOptions = new OpenAIClientOptions
-        {
-            Transport = new HttpClientTransport(httpClient),
-            Diagnostics =
-            {
-                LoggedHeaderNames = { "ErrorSource", "ErrorReason", "ErrorMessage", "ErrorScope", "ErrorSection", "ErrorStatusCode" },
-            }
-        };
-        var openAIClient = new OpenAIClient(apimUri, new BearerTokenCredential(accessToken), clientOptions);
-
-        IKernelBuilder builder = Kernel.CreateBuilder();
-        builder.Services.AddLogging(c => c.SetMinimumLevel(LogLevel.Warning).AddConsole());
-        builder.AddAzureOpenAIChatCompletion(
-            deploymentName: TestConfiguration.AzureOpenAI.ChatDeploymentName,
-            openAIClient: openAIClient);
-        Kernel kernel = builder.Build();
-
-        // Load semantic plugin defined with prompt templates
-        string folder = RepoFiles.SamplePluginsPath();
-
-        kernel.ImportPluginFromPromptDirectory(Path.Combine(folder, "FunPlugin"));
-
-        // Run
-        var result = await kernel.InvokeAsync(
-            kernel.Plugins["FunPlugin"]["Excuses"],
-            new() { ["input"] = "I have no homework" }
-        );
-        Console.WriteLine(result.GetValue<string>());
-
-        httpClient.Dispose();
-    }
-
-    public Example52_ApimAuth(ITestOutputHelper output) : base(output)
-    {
-    }
-}
-
-public class BearerTokenCredential : TokenCredential
-{
-    private readonly AccessToken _accessToken;
-
-    // Constructor that takes a Bearer token string and its expiration date
-    public BearerTokenCredential(AccessToken accessToken)
-    {
-        this._accessToken = accessToken;
-    }
-
-    public override AccessToken GetToken(TokenRequestContext requestContext, CancellationToken cancellationToken)
-    {
-        return this._accessToken;
-    }
-
-    public override ValueTask<AccessToken> GetTokenAsync(TokenRequestContext requestContext, CancellationToken cancellationToken)
-    {
-        return new ValueTask<AccessToken>(this._accessToken);
-    }
-}
diff --git a/dotnet/samples/KernelSyntaxExamples/Example52_CustomOpenAIClient.cs b/dotnet/samples/KernelSyntaxExamples/Example52_CustomOpenAIClient.cs
new file mode 100644
index 000000000000..5512db6de839
--- /dev/null
+++ b/dotnet/samples/KernelSyntaxExamples/Example52_CustomOpenAIClient.cs
@@ -0,0 +1,58 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System;
+using System.IO;
+using System.Net.Http;
+using System.Threading.Tasks;
+using Azure;
+using Azure.AI.OpenAI;
+using Azure.Core.Pipeline;
+using Microsoft.SemanticKernel;
+using RepoUtils;
+
+public static class Example52_CustomOpenAIClient
+{
+    public static async Task RunAsync()
+    {
+        Console.WriteLine("======== Using a custom OpenAI client ========");
+
+        string endpoint = TestConfiguration.AzureOpenAI.Endpoint;
+        string deploymentName = TestConfiguration.AzureOpenAI.ChatDeploymentName;
+        string apiKey = TestConfiguration.AzureOpenAI.ApiKey;
+
+        if (endpoint is null || deploymentName is null || apiKey is null)
+        {
+            Console.WriteLine("Azure OpenAI credentials not found. Skipping example.");
+            return;
+        }
+
+        // Create an HttpClient and include your custom header(s)
+        var httpClient = new HttpClient();
+        httpClient.DefaultRequestHeaders.Add("x-my-custom-header", "My custom value");
+
+        // Configure OpenAIClient to use the customized HttpClient
+        var clientOptions = new OpenAIClientOptions
+        {
+            Transport = new HttpClientTransport(httpClient),
+        };
+        var openAIClient = new OpenAIClient(new Uri(endpoint), new AzureKeyCredential(apiKey), clientOptions);
+
+        IKernelBuilder builder = Kernel.CreateBuilder();
+        builder.AddAzureOpenAIChatCompletion(deploymentName, openAIClient);
+        Kernel kernel = builder.Build();
+
+        // Load semantic plugin defined with prompt templates
+        string folder = RepoFiles.SamplePluginsPath();
+
+        kernel.ImportPluginFromPromptDirectory(Path.Combine(folder, "FunPlugin"));
+
+        // Run
+        var result = await kernel.InvokeAsync(
+            kernel.Plugins["FunPlugin"]["Excuses"],
+            new() { ["input"] = "I have no homework" }
+        );
+        Console.WriteLine(result.GetValue<string>());
+
+        httpClient.Dispose();
+    }
+}
diff --git a/dotnet/samples/KernelSyntaxExamples/README.md b/dotnet/samples/KernelSyntaxExamples/README.md
index 4360c4b9b840..8c8996efa323 100644
--- a/dotnet/samples/KernelSyntaxExamples/README.md
+++ b/dotnet/samples/KernelSyntaxExamples/README.md
@@ -103,9 +103,6 @@ dotnet user-secrets set "Google:SearchEngineId" "..."
 
 dotnet user-secrets set "Github:PAT" "github_pat_..."
 
-dotnet user-secrets set "Apim:Endpoint" "https://apim...azure-api.net/"
-dotnet user-secrets set "Apim:SubscriptionKey" "..."
-
 dotnet user-secrets set "Postgres:ConnectionString" "..."
 dotnet user-secrets set "Redis:Configuration" "..."
 dotnet user-secrets set "Kusto:ConnectionString" "..."
@@ -173,10 +170,6 @@ Google__SearchEngineId
 # Github
 Github__PAT
 
-# Azure API Management (APIM)
-Apim__Endpoint
-Apim__SubscriptionKey
-
 # Other
 Postgres__ConnectionString
 Redis__Configuration