diff --git a/receiverUI/EnvelopeGenerator.ReceiverUI.Web/EnvelopeGenerator.ReceiverUI.Web.Client/Program.cs b/receiverUI/EnvelopeGenerator.ReceiverUI.Web/EnvelopeGenerator.ReceiverUI.Web.Client/Program.cs
index 18624de9..07474953 100644
--- a/receiverUI/EnvelopeGenerator.ReceiverUI.Web/EnvelopeGenerator.ReceiverUI.Web.Client/Program.cs
+++ b/receiverUI/EnvelopeGenerator.ReceiverUI.Web/EnvelopeGenerator.ReceiverUI.Web.Client/Program.cs
@@ -1,4 +1,6 @@
-using EnvelopeGenerator.ReceiverUI.Web.Client.Utils;
+using EnvelopeGenerator.ReceiverUI.Web.Client.Api;
+using EnvelopeGenerator.ReceiverUI.Web.Client.Services;
+using EnvelopeGenerator.ReceiverUI.Web.Client.Utils;
 using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
 
 var builder = WebAssemblyHostBuilder.CreateDefault(args);
@@ -14,4 +16,16 @@ builder.Services.AddDevExpressWebAssemblyBlazorPdfViewer();
 
 DevExpress.XtraPrinting.PrintingOptions.Pdf.RenderingEngine = DevExpress.XtraPrinting.XRPdfRenderingEngine.Skia;
 
+// ── Receiver API + Auth + Localization ─────────────────────────────
+// Same-origin HttpClient: the BFF (EnvelopeGenerator.ReceiverUI.Web)
+// reverse-proxies /api/** to EnvelopeGenerator.API and forwards the
+// HttpOnly authentication cookie automatically.
+builder.Services.AddHttpClient<ReceiverApiClient>(client =>
+{
+    client.BaseAddress = new Uri(builder.HostEnvironment.BaseAddress);
+});
+builder.Services.AddScoped<LocalizationService>();
+builder.Services.AddScoped<ReceiverAuthState>();
+
 await builder.Build().RunAsync();
+