Finally got the api working properly

Emergence.services/Extensions/ServiceBuilderExtension.cs

@@ -11,7 +11,6 @@ namespace Emergence.services.Extensions
     {
         public static IServiceCollection AddEmergenceServices(this IServiceCollection services)
         {
-            services = services.AddTransient<IUserService, UserService>();
             services = services.AddTransient<ITenantService, TenantService>();
 
             return services;

Emergence.services/Interface/IService.cs

@@ -6,7 +6,7 @@ namespace Emergence.services.Interface
 {
     public interface IService<T, I> where T : class
     {
-        public Task<IList<T>> GetAllAsync();
+        public Task<IEnumerable<T>> GetAllAsync();
         public Task<T> GetByIdAsync(I id);
     }
 }

Emergence.services/Services/TenantService.cs

@@ -9,13 +9,13 @@ namespace Emergence.services.Services;
 public class TenantService : ITenantService
 {
     private List<TenantModel> testList = [
-        new TenantModel {TenantCode = "FJP", CompanyName ="Fred J Potter" },
-        new TenantModel {TenantCode = "JAZZ", CompanyName ="Jazzbond" },
-        new TenantModel {TenantCode = "TDT", CompanyName ="The Digital Tailor" },
-        new TenantModel {TenantCode = "HBAS", CompanyName ="Hicks Building and Asbestos Services" },
+        new TenantModel {Id = Guid.NewGuid(), TenantCode = "FJP", CompanyName = "Fred J Potter", IsInactive = false },
+        new TenantModel {Id = Guid.NewGuid(), TenantCode = "JAZZ", CompanyName = "Jazzbond", IsInactive = false },
+        new TenantModel {Id = Guid.NewGuid(), TenantCode = "TDT", CompanyName = "The Digital Tailor", IsInactive = false },
+        new TenantModel {Id = Guid.NewGuid(), TenantCode = "HBAS", CompanyName = "Hicks Building and Asbestos Services", IsInactive = false },
         ];
 
-    public async Task<IList<TenantModel>> GetAllAsync()
+    public async Task<IEnumerable<TenantModel>> GetAllAsync()
     {
         return testList;
     }