diff --git a/src/clients/Elsa.Api.Client/Extensions/DependencyInjectionExtensions.cs b/src/clients/Elsa.Api.Client/Extensions/DependencyInjectionExtensions.cs
index 4c87a894a..cd6c9f647 100644
--- a/src/clients/Elsa.Api.Client/Extensions/DependencyInjectionExtensions.cs
+++ b/src/clients/Elsa.Api.Client/Extensions/DependencyInjectionExtensions.cs
@@ -32,7 +32,7 @@ public static class DependencyInjectionExtensions
     public static IServiceCollection AddElsaClient(this IServiceCollection services, Action<ElsaClientOptions> configureOptions)
     {
         services.Configure(configureOptions);
-        services.AddSingleton<IElsaClient, ElsaClient>();
+        services.AddScoped<IElsaClient, ElsaClient>();
         services.AddActivityTypeService();
 
         services.AddApi<IWorkflowDefinitionsApi>(CreateRefitSettings);
@@ -71,6 +71,7 @@ public static class DependencyInjectionExtensions
     {
         var options = serviceProvider.GetRequiredService<IOptions<ElsaClientOptions>>().Value;
         httpClient.BaseAddress = options.BaseAddress;
+        options.ConfigureHttpClient?.Invoke(httpClient);
     }
     
     private static RefitSettings CreateRefitSettings(IServiceProvider serviceProvider)
diff --git a/src/clients/Elsa.Api.Client/Options/ElsaClientOptions.cs b/src/clients/Elsa.Api.Client/Options/ElsaClientOptions.cs
index 284ce4945..5dd5ccb64 100644
--- a/src/clients/Elsa.Api.Client/Options/ElsaClientOptions.cs
+++ b/src/clients/Elsa.Api.Client/Options/ElsaClientOptions.cs
@@ -14,4 +14,9 @@ public class ElsaClientOptions
     /// Gets or sets the API key to use when authenticating with the Elsa server.
     /// </summary>
     public string ApiKey { get; set; } = default!;
+    
+    /// <summary>
+    /// Gets or sets a delegate that can be used to configure the HTTP client.
+    /// </summary>
+    public Action<HttpClient>? ConfigureHttpClient { get; set; }
 }
\ No newline at end of file