diff --git a/Webshop.Api/Program.cs b/Webshop.Api/Program.cs
index 5e22ea9..251e4eb 100644
--- a/Webshop.Api/Program.cs
+++ b/Webshop.Api/Program.cs
@@ -1,25 +1,26 @@
 using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.AspNetCore.HttpOverrides;   // For UseForwardedHeaders
 using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;         // For ILogger
 using Microsoft.IdentityModel.Tokens;
+using Microsoft.OpenApi.Models;             // For Swagger OpenAPI models
+using Resend;
 using System.Text;
-using Webshop.Application.Services.Public; // ProductService
-using Webshop.Application.Services.Auth;   // IAuthService, AuthService
+using System.Text.Json.Serialization;
+using Webshop.Api.SwaggerFilters;           // For AuthorizeOperationFilter
 using Webshop.Application.Services.Admin;   // AdminUserService, AdminProductService
+using Webshop.Application.Services.Admin.Interfaces;
+using Webshop.Application.Services.Auth;   // IAuthService, AuthService
+using Webshop.Application.Services.Customers;
+using Webshop.Application.Services.Customers.Interfaces;
+using Webshop.Application.Services.Public; // ProductService
+using Webshop.Application.Services.Public.Interfaces;
+using Webshop.Domain.Entities;
+using Webshop.Domain.Identity;
 using Webshop.Domain.Interfaces;            // IProductRepository
 using Webshop.Infrastructure.Data;          // ApplicationDbContext
 using Webshop.Infrastructure.Repositories;   // ProductRepository
-using Microsoft.AspNetCore.HttpOverrides;   // For UseForwardedHeaders
-using Microsoft.Extensions.Logging;         // For ILogger
-using Microsoft.OpenApi.Models;             // For Swagger OpenAPI models
-using Webshop.Api.SwaggerFilters;           // For AuthorizeOperationFilter
-using Webshop.Domain.Entities;
-using Webshop.Application.Services.Admin.Interfaces;
-using Webshop.Application.Services.Public.Interfaces;
-using Webshop.Application.Services.Customers.Interfaces;
-using Webshop.Application.Services.Customers;
-using Webshop.Domain.Identity;
-using Resend;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -117,7 +118,12 @@ builder.Services.AddTransient<IResend, ResendClient>();
 
 
 // 5. Controller und Swagger/OpenAPI hinzufügen
-builder.Services.AddControllers();
+builder.Services.AddControllers()
+    .AddJsonOptions(options =>
+    {
+        options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());
+    });
+
 builder.Services.AddEndpointsApiExplorer();
 
 builder.Services.AddSwaggerGen(c =>