diff --git a/src/PublicApi/CatalogBrandEndpoints/CatalogBrandListEndpoint.cs b/src/PublicApi/CatalogBrandEndpoints/CatalogBrandListEndpoint.cs
index dce823e..32b3d0b 100644
--- a/src/PublicApi/CatalogBrandEndpoints/CatalogBrandListEndpoint.cs
+++ b/src/PublicApi/CatalogBrandEndpoints/CatalogBrandListEndpoint.cs
@@ -13,9 +13,8 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogBrandEndpoints;
 /// <summary>
 /// List Catalog Brands
 /// </summary>
-public class CatalogBrandListEndpoint : IEndpoint<IResult>
+public class CatalogBrandListEndpoint : IEndpoint<IResult, IRepository<CatalogBrand>>
 {
-    private IRepository<CatalogBrand> _catalogBrandRepository;
     private readonly IMapper _mapper;
 
     public CatalogBrandListEndpoint(IMapper mapper)
@@ -28,18 +27,17 @@ public class CatalogBrandListEndpoint : IEndpoint<IResult>
         app.MapGet("api/catalog-brands",
             async (IRepository<CatalogBrand> catalogBrandRepository) =>
             {
-                _catalogBrandRepository = catalogBrandRepository;
-                return await HandleAsync();
+                return await HandleAsync(catalogBrandRepository);
             })
            .Produces<ListCatalogBrandsResponse>()
            .WithTags("CatalogBrandEndpoints");
     }
 
-    public async Task<IResult> HandleAsync()
+    public async Task<IResult> HandleAsync(IRepository<CatalogBrand> catalogBrandRepository)
     {
         var response = new ListCatalogBrandsResponse();
 
-        var items = await _catalogBrandRepository.ListAsync();
+        var items = await catalogBrandRepository.ListAsync();
 
         response.CatalogBrands.AddRange(items.Select(_mapper.Map<CatalogBrandDto>));
 
diff --git a/src/PublicApi/CatalogItemEndpoints/CatalogItemGetByIdEndpoint.cs b/src/PublicApi/CatalogItemEndpoints/CatalogItemGetByIdEndpoint.cs
index a1f6011..9f15c72 100644
--- a/src/PublicApi/CatalogItemEndpoints/CatalogItemGetByIdEndpoint.cs
+++ b/src/PublicApi/CatalogItemEndpoints/CatalogItemGetByIdEndpoint.cs
@@ -11,9 +11,8 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogItemEndpoints;
 /// <summary>
 /// Get a Catalog Item by Id
 /// </summary>
-public class CatalogItemGetByIdEndpoint : IEndpoint<IResult, GetByIdCatalogItemRequest>
+public class CatalogItemGetByIdEndpoint : IEndpoint<IResult, GetByIdCatalogItemRequest, IRepository<CatalogItem>>
 {
-    private IRepository<CatalogItem> _itemRepository;
     private readonly IUriComposer _uriComposer;
 
     public CatalogItemGetByIdEndpoint(IUriComposer uriComposer)
@@ -26,18 +25,17 @@ public class CatalogItemGetByIdEndpoint : IEndpoint<IResult, GetByIdCatalogItemR
         app.MapGet("api/catalog-items/{catalogItemId}",
             async (int catalogItemId, IRepository<CatalogItem> itemRepository) =>
             {
-                _itemRepository = itemRepository;
-                return await HandleAsync(new GetByIdCatalogItemRequest(catalogItemId));
+                return await HandleAsync(new GetByIdCatalogItemRequest(catalogItemId), itemRepository);
             })
             .Produces<GetByIdCatalogItemResponse>()
             .WithTags("CatalogItemEndpoints");
     }
 
-    public async Task<IResult> HandleAsync(GetByIdCatalogItemRequest request)
+    public async Task<IResult> HandleAsync(GetByIdCatalogItemRequest request, IRepository<CatalogItem> itemRepository)
     {
         var response = new GetByIdCatalogItemResponse(request.CorrelationId());
 
-        var item = await _itemRepository.GetByIdAsync(request.CatalogItemId);
+        var item = await itemRepository.GetByIdAsync(request.CatalogItemId);
         if (item is null)
             return Results.NotFound();
 
diff --git a/src/PublicApi/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs b/src/PublicApi/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs
index 308d310..920fe4f 100644
--- a/src/PublicApi/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs
+++ b/src/PublicApi/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs
@@ -15,9 +15,8 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogItemEndpoints;
 /// <summary>
 /// List Catalog Items (paged)
 /// </summary>
-public class CatalogItemListPagedEndpoint : IEndpoint<IResult, ListPagedCatalogItemRequest>
+public class CatalogItemListPagedEndpoint : IEndpoint<IResult, ListPagedCatalogItemRequest, IRepository<CatalogItem>>
 {
-    private IRepository<CatalogItem> _itemRepository;
     private readonly IUriComposer _uriComposer;
     private readonly IMapper _mapper;
 
@@ -32,19 +31,19 @@ public class CatalogItemListPagedEndpoint : IEndpoint<IResult, ListPagedCatalogI
         app.MapGet("api/catalog-items",
             async (int? pageSize, int? pageIndex, int? catalogBrandId, int? catalogTypeId, IRepository<CatalogItem> itemRepository) =>
             {
-                _itemRepository = itemRepository;
-                return await HandleAsync(new ListPagedCatalogItemRequest(pageSize, pageIndex, catalogBrandId, catalogTypeId));
-            })            
+                return await HandleAsync(new ListPagedCatalogItemRequest(pageSize, pageIndex, catalogBrandId, catalogTypeId), itemRepository);
+            })
             .Produces<ListPagedCatalogItemResponse>()
             .WithTags("CatalogItemEndpoints");
     }
 
-    public async Task<IResult> HandleAsync(ListPagedCatalogItemRequest request)
+    public async Task<IResult> HandleAsync(ListPagedCatalogItemRequest request, IRepository<CatalogItem> itemRepository)
     {
+        await Task.Delay(1000);
         var response = new ListPagedCatalogItemResponse(request.CorrelationId());
 
         var filterSpec = new CatalogFilterSpecification(request.CatalogBrandId, request.CatalogTypeId);
-        int totalItems = await _itemRepository.CountAsync(filterSpec);
+        int totalItems = await itemRepository.CountAsync(filterSpec);
 
         var pagedSpec = new CatalogFilterPaginatedSpecification(
             skip: request.PageIndex.Value * request.PageSize.Value,
@@ -52,7 +51,7 @@ public class CatalogItemListPagedEndpoint : IEndpoint<IResult, ListPagedCatalogI
             brandId: request.CatalogBrandId,
             typeId: request.CatalogTypeId);
 
-        var items = await _itemRepository.ListAsync(pagedSpec);
+        var items = await itemRepository.ListAsync(pagedSpec);
 
         response.CatalogItems.AddRange(items.Select(_mapper.Map<CatalogItemDto>));
         foreach (CatalogItemDto item in response.CatalogItems)
diff --git a/src/PublicApi/CatalogItemEndpoints/CreateCatalogItemEndpoint.cs b/src/PublicApi/CatalogItemEndpoints/CreateCatalogItemEndpoint.cs
index 25527f9..c15346f 100644
--- a/src/PublicApi/CatalogItemEndpoints/CreateCatalogItemEndpoint.cs
+++ b/src/PublicApi/CatalogItemEndpoints/CreateCatalogItemEndpoint.cs
@@ -15,9 +15,8 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogItemEndpoints;
 /// <summary>
 /// Creates a new Catalog Item
 /// </summary>
-public class CreateCatalogItemEndpoint : IEndpoint<IResult, CreateCatalogItemRequest>
+public class CreateCatalogItemEndpoint : IEndpoint<IResult, CreateCatalogItemRequest, IRepository<CatalogItem>>
 {
-    private IRepository<CatalogItem> _itemRepository;
     private readonly IUriComposer _uriComposer;
 
     public CreateCatalogItemEndpoint(IUriComposer uriComposer)
@@ -31,26 +30,25 @@ public class CreateCatalogItemEndpoint : IEndpoint<IResult, CreateCatalogItemReq
             [Authorize(Roles = BlazorShared.Authorization.Constants.Roles.ADMINISTRATORS, AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)] async
             (CreateCatalogItemRequest request, IRepository<CatalogItem> itemRepository) =>
             {
-                _itemRepository = itemRepository;
-                return await HandleAsync(request);
+                return await HandleAsync(request, itemRepository);
             })
             .Produces<CreateCatalogItemResponse>()
             .WithTags("CatalogItemEndpoints");
     }
 
-    public async Task<IResult> HandleAsync(CreateCatalogItemRequest request)
+    public async Task<IResult> HandleAsync(CreateCatalogItemRequest request, IRepository<CatalogItem> itemRepository)
     {
         var response = new CreateCatalogItemResponse(request.CorrelationId());
 
         var catalogItemNameSpecification = new CatalogItemNameSpecification(request.Name);
-        var existingCataloogItem = await _itemRepository.CountAsync(catalogItemNameSpecification);
+        var existingCataloogItem = await itemRepository.CountAsync(catalogItemNameSpecification);
         if (existingCataloogItem > 0)
         {
             throw new DuplicateException($"A catalogItem with name {request.Name} already exists");
         }
 
         var newItem = new CatalogItem(request.CatalogTypeId, request.CatalogBrandId, request.Description, request.Name, request.Price, request.PictureUri);
-        newItem = await _itemRepository.AddAsync(newItem);
+        newItem = await itemRepository.AddAsync(newItem);
 
         if (newItem.Id != 0)
         {
@@ -59,7 +57,7 @@ public class CreateCatalogItemEndpoint : IEndpoint<IResult, CreateCatalogItemReq
             //  In production, we recommend uploading to a blob storage and deliver the image via CDN after a verification process.
 
             newItem.UpdatePictureUri("eCatalog-item-default.png");
-            await _itemRepository.UpdateAsync(newItem);
+            await itemRepository.UpdateAsync(newItem);
         }
 
         var dto = new CatalogItemDto
@@ -73,6 +71,6 @@ public class CreateCatalogItemEndpoint : IEndpoint<IResult, CreateCatalogItemReq
             Price = newItem.Price
         };
         response.CatalogItem = dto;
-        return Results.Created($"api/catalog-items/{dto.Id}", response);       
+        return Results.Created($"api/catalog-items/{dto.Id}", response);
     }
 }
diff --git a/src/PublicApi/CatalogItemEndpoints/DeleteCatalogItemEndpoint.cs b/src/PublicApi/CatalogItemEndpoints/DeleteCatalogItemEndpoint.cs
index 2a0d3e6..0e37f44 100644
--- a/src/PublicApi/CatalogItemEndpoints/DeleteCatalogItemEndpoint.cs
+++ b/src/PublicApi/CatalogItemEndpoints/DeleteCatalogItemEndpoint.cs
@@ -13,32 +13,29 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogItemEndpoints;
 /// <summary>
 /// Deletes a Catalog Item
 /// </summary>
-public class DeleteCatalogItemEndpoint : IEndpoint<IResult, DeleteCatalogItemRequest>
+public class DeleteCatalogItemEndpoint : IEndpoint<IResult, DeleteCatalogItemRequest, IRepository<CatalogItem>>
 {
-    private IRepository<CatalogItem> _itemRepository;
-
     public void AddRoute(IEndpointRouteBuilder app)
     {
         app.MapDelete("api/catalog-items/{catalogItemId}",
             [Authorize(Roles = BlazorShared.Authorization.Constants.Roles.ADMINISTRATORS, AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)] async
             (int catalogItemId, IRepository<CatalogItem> itemRepository) =>
             {
-                _itemRepository = itemRepository;
-                return await HandleAsync(new DeleteCatalogItemRequest(catalogItemId));
+                return await HandleAsync(new DeleteCatalogItemRequest(catalogItemId), itemRepository);
             })
             .Produces<DeleteCatalogItemResponse>()
             .WithTags("CatalogItemEndpoints");
     }
 
-    public async Task<IResult> HandleAsync(DeleteCatalogItemRequest request)
+    public async Task<IResult> HandleAsync(DeleteCatalogItemRequest request, IRepository<CatalogItem> itemRepository)
     {
         var response = new DeleteCatalogItemResponse(request.CorrelationId());
 
-        var itemToDelete = await _itemRepository.GetByIdAsync(request.CatalogItemId);
+        var itemToDelete = await itemRepository.GetByIdAsync(request.CatalogItemId);
         if (itemToDelete is null)
             return Results.NotFound();
 
-        await _itemRepository.DeleteAsync(itemToDelete);
+        await itemRepository.DeleteAsync(itemToDelete);
 
         return Results.Ok(response);
     }
diff --git a/src/PublicApi/CatalogItemEndpoints/UpdateCatalogItemEndpoint.cs b/src/PublicApi/CatalogItemEndpoints/UpdateCatalogItemEndpoint.cs
index 2ce0e6c..b923322 100644
--- a/src/PublicApi/CatalogItemEndpoints/UpdateCatalogItemEndpoint.cs
+++ b/src/PublicApi/CatalogItemEndpoints/UpdateCatalogItemEndpoint.cs
@@ -13,9 +13,8 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogItemEndpoints;
 /// <summary>
 /// Updates a Catalog Item
 /// </summary>
-public class UpdateCatalogItemEndpoint : IEndpoint<IResult, UpdateCatalogItemRequest>
-{
-    private IRepository<CatalogItem> _itemRepository;
+public class UpdateCatalogItemEndpoint : IEndpoint<IResult, UpdateCatalogItemRequest, IRepository<CatalogItem>>
+{ 
     private readonly IUriComposer _uriComposer;
 
     public UpdateCatalogItemEndpoint(IUriComposer uriComposer)
@@ -29,25 +28,24 @@ public class UpdateCatalogItemEndpoint : IEndpoint<IResult, UpdateCatalogItemReq
             [Authorize(Roles = BlazorShared.Authorization.Constants.Roles.ADMINISTRATORS, AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)] async
             (UpdateCatalogItemRequest request, IRepository<CatalogItem> itemRepository) =>
             {
-                _itemRepository = itemRepository;
-                return await HandleAsync(request);
+                return await HandleAsync(request, itemRepository);
             })
             .Produces<UpdateCatalogItemResponse>()
             .WithTags("CatalogItemEndpoints");
     }
 
-    public async Task<IResult> HandleAsync(UpdateCatalogItemRequest request)
+    public async Task<IResult> HandleAsync(UpdateCatalogItemRequest request, IRepository<CatalogItem> itemRepository)
     {
         var response = new UpdateCatalogItemResponse(request.CorrelationId());
 
-        var existingItem = await _itemRepository.GetByIdAsync(request.Id);
-        
+        var existingItem = await itemRepository.GetByIdAsync(request.Id);
+
         CatalogItem.CatalogItemDetails details = new(request.Name, request.Description, request.Price);
         existingItem.UpdateDetails(details);
         existingItem.UpdateBrand(request.CatalogBrandId);
         existingItem.UpdateType(request.CatalogTypeId);
 
-        await _itemRepository.UpdateAsync(existingItem);
+        await itemRepository.UpdateAsync(existingItem);
 
         var dto = new CatalogItemDto
         {
diff --git a/src/PublicApi/CatalogTypeEndpoints/CatalogTypeListEndpoint.cs b/src/PublicApi/CatalogTypeEndpoints/CatalogTypeListEndpoint.cs
index 87aa035..3e36735 100644
--- a/src/PublicApi/CatalogTypeEndpoints/CatalogTypeListEndpoint.cs
+++ b/src/PublicApi/CatalogTypeEndpoints/CatalogTypeListEndpoint.cs
@@ -13,33 +13,31 @@ namespace Microsoft.eShopWeb.PublicApi.CatalogTypeEndpoints;
 /// <summary>
 /// List Catalog Types
 /// </summary>
-public class CatalogTypeListEndpoint : IEndpoint<IResult>
+public class CatalogTypeListEndpoint : IEndpoint<IResult, IRepository<CatalogType>>
 {
-    private IRepository<CatalogType> _catalogTypeRepository;
     private readonly IMapper _mapper;
 
     public CatalogTypeListEndpoint(IMapper mapper)
-    {      
+    {
         _mapper = mapper;
     }
 
     public void AddRoute(IEndpointRouteBuilder app)
     {
-        app.MapGet("api/catalog-types", 
+        app.MapGet("api/catalog-types",
             async (IRepository<CatalogType> catalogTypeRepository) =>
             {
-                _catalogTypeRepository = catalogTypeRepository;
-                return await HandleAsync();
+                return await HandleAsync(catalogTypeRepository);
             })
             .Produces<ListCatalogTypesResponse>()
             .WithTags("CatalogTypeEndpoints");
     }
 
-    public async Task<IResult> HandleAsync()
+    public async Task<IResult> HandleAsync(IRepository<CatalogType> catalogTypeRepository)
     {
         var response = new ListCatalogTypesResponse();
 
-        var items = await _catalogTypeRepository.ListAsync();
+        var items = await catalogTypeRepository.ListAsync();
 
         response.CatalogTypes.AddRange(items.Select(_mapper.Map<CatalogTypeDto>));
 
diff --git a/tests/PublicApiIntegrationTests/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs b/tests/PublicApiIntegrationTests/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs
index 1040463..5eb3036 100644
--- a/tests/PublicApiIntegrationTests/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs
+++ b/tests/PublicApiIntegrationTests/CatalogItemEndpoints/CatalogItemListPagedEndpoint.cs
@@ -2,7 +2,10 @@
 using Microsoft.eShopWeb.PublicApi.CatalogItemEndpoints;
 using Microsoft.eShopWeb.Web.ViewModels;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http;
+using System.Net;
 using System.Threading.Tasks;
 
 namespace PublicApiIntegrationTests.CatalogItemEndpoints
@@ -45,5 +48,26 @@ namespace PublicApiIntegrationTests.CatalogItemEndpoints
 
             Assert.AreEqual(totalExpected, model2.CatalogItems.Count());
         }
+
+        [DataTestMethod]
+        [DataRow("catalog-items")]
+        [DataRow("catalog-brands")]
+        [DataRow("catalog-types")]
+        [DataRow("catalog-items/1")]
+        public async Task SuccessFullMutipleParallelCall(string endpointName)
+        {
+            var client = ProgramTest.NewClient;
+            var tasks = new List<Task<HttpResponseMessage>>();
+
+            for (int i = 0; i < 100; i++)
+            {
+                var task = client.GetAsync($"/api/{endpointName}");
+                tasks.Add(task);
+            }
+            await Task.WhenAll(tasks.ToList());
+            var totalKO = tasks.Count(t => t.Result.StatusCode != HttpStatusCode.OK);
+
+            Assert.AreEqual(0, totalKO);
+        }
     }
 }