diff --git a/BTCPayServer/Controllers/GreenField/GreenfieldUsersController.cs b/BTCPayServer/Controllers/GreenField/GreenfieldUsersController.cs
index 5db16c948..877aa5dca 100644
--- a/BTCPayServer/Controllers/GreenField/GreenfieldUsersController.cs
+++ b/BTCPayServer/Controllers/GreenField/GreenfieldUsersController.cs
@@ -117,7 +117,7 @@ namespace BTCPayServer.Controllers.Greenfield
 
             if (user.RequiresApproval)
             {
-                var loginLink = _callbackGenerator.ForLogin(user, Request);
+                var loginLink = _callbackGenerator.ForLogin(user);
                 return await _userService.SetUserApproval(user.Id, request.Approved, loginLink)
                     ? Ok()
                     : this.CreateAPIError("invalid-state", $"User is already {(request.Approved ? "approved" : "unapproved")}");
@@ -416,8 +416,8 @@ namespace BTCPayServer.Controllers.Greenfield
             var currentUser = await _userManager.GetUserAsync(User);
             var userEvent = currentUser switch
             {
-                { } invitedBy => await UserEvent.Invited.Create(user, invitedBy, _callbackGenerator, Request, request.SendInvitationEmail is not false),
-                _ => await UserEvent.Registered.Create(user, _callbackGenerator, Request)
+                { } invitedBy => await UserEvent.Invited.Create(user, invitedBy, _callbackGenerator, request.SendInvitationEmail is not false),
+                _ => await UserEvent.Registered.Create(user, _callbackGenerator)
             };
             _eventAggregator.Publish(userEvent);
 
diff --git a/BTCPayServer/Controllers/UIAccountController.cs b/BTCPayServer/Controllers/UIAccountController.cs
index 2239559d6..d35f06b40 100644
--- a/BTCPayServer/Controllers/UIAccountController.cs
+++ b/BTCPayServer/Controllers/UIAccountController.cs
@@ -267,7 +267,7 @@ namespace BTCPayServer.Controllers
                 {
                     RememberMe = rememberMe,
                     UserId = user.Id,
-                    LNURLEndpoint = new Uri(callbackGenerator.ForLNUrlAuth(user, r, Request))
+                    LNURLEndpoint = new Uri(callbackGenerator.ForLNUrlAuth(user, r))
                 };
             }
             return null;
@@ -573,7 +573,7 @@ namespace BTCPayServer.Controllers
                         RegisteredAdmin = true;
                     }
 
-                    eventAggregator.Publish(await UserEvent.Registered.Create(user, callbackGenerator, Request));
+                    eventAggregator.Publish(await UserEvent.Registered.Create(user, callbackGenerator));
                     RegisteredUserId = user.Id;
 
                     TempData[WellKnownTempData.SuccessMessage] = StringLocalizer["Account created."].Value;
@@ -640,7 +640,7 @@ namespace BTCPayServer.Controllers
             var result = await userManager.ConfirmEmailAsync(user, code);
             if (result.Succeeded)
             {
-                var approvalLink = callbackGenerator.ForApproval(user, Request);
+                var approvalLink = callbackGenerator.ForApproval(user);
                 eventAggregator.Publish(new UserEvent.ConfirmedEmail(user, approvalLink));
 
                 var hasPassword = await userManager.HasPasswordAsync(user);
@@ -686,7 +686,7 @@ namespace BTCPayServer.Controllers
                 {
                     return RedirectToAction(nameof(ForgotPasswordConfirmation));
                 }
-                var callbackUri = await callbackGenerator.ForPasswordReset(user, Request);
+                var callbackUri = await callbackGenerator.ForPasswordReset(user);
                 eventAggregator.Publish(new UserEvent.PasswordResetRequested(user, callbackUri));
                 return RedirectToAction(nameof(ForgotPasswordConfirmation));
             }
diff --git a/BTCPayServer/Controllers/UIManageController.cs b/BTCPayServer/Controllers/UIManageController.cs
index 7c1535d92..5fbcaaf4f 100644
--- a/BTCPayServer/Controllers/UIManageController.cs
+++ b/BTCPayServer/Controllers/UIManageController.cs
@@ -219,7 +219,7 @@ namespace BTCPayServer.Controllers
                 throw new ApplicationException($"Unable to load user with ID '{_userManager.GetUserId(User)}'.");
             }
 
-            var callbackUrl = await _callbackGenerator.ForEmailConfirmation(user, Request);
+            var callbackUrl = await _callbackGenerator.ForEmailConfirmation(user);
             _eventAggregator.Publish(new UserEvent.ConfirmationEmailRequested(user, callbackUrl));
             TempData[WellKnownTempData.SuccessMessage] = StringLocalizer["Verification email sent. Please check your email."].Value;
             return RedirectToAction(nameof(Index));
diff --git a/BTCPayServer/Controllers/UIServerController.Users.cs b/BTCPayServer/Controllers/UIServerController.Users.cs
index b52ac5112..e4de5a95a 100644
--- a/BTCPayServer/Controllers/UIServerController.Users.cs
+++ b/BTCPayServer/Controllers/UIServerController.Users.cs
@@ -69,7 +69,7 @@ namespace BTCPayServer.Controllers
                         InvitationUrl =
                             string.IsNullOrEmpty(blob?.InvitationToken)
                                 ? null
-                                : _callbackGenerator.ForInvitation(u.Id, blob.InvitationToken, Request),
+                                : _callbackGenerator.ForInvitation(u.Id, blob.InvitationToken),
                         EmailConfirmed = u.RequiresEmailConfirmation ? u.EmailConfirmed : null,
                         Approved = u.RequiresApproval ? u.Approved : null,
                         Created = u.Created,
@@ -95,7 +95,7 @@ namespace BTCPayServer.Controllers
                 Id = user.Id,
                 Email = user.Email,
                 Name = blob?.Name,
-                InvitationUrl = string.IsNullOrEmpty(blob?.InvitationToken) ? null : _callbackGenerator.ForInvitation(user.Id, blob.InvitationToken, Request),
+                InvitationUrl = string.IsNullOrEmpty(blob?.InvitationToken) ? null : _callbackGenerator.ForInvitation(user.Id, blob.InvitationToken),
                 ImageUrl = string.IsNullOrEmpty(blob?.ImageUrl) ? null : await _uriResolver.Resolve(Request.GetAbsoluteRootUri(), UnresolvedUri.Create(blob.ImageUrl)),
                 EmailConfirmed = user.RequiresEmailConfirmation ? user.EmailConfirmed : null,
                 Approved = user.RequiresApproval ? user.Approved : null,
@@ -117,7 +117,7 @@ namespace BTCPayServer.Controllers
 
             if (user.RequiresApproval && viewModel.Approved.HasValue && user.Approved != viewModel.Approved.Value)
             {
-                var loginLink = _callbackGenerator.ForLogin(user, Request);
+                var loginLink = _callbackGenerator.ForLogin(user);
                 approvalStatusChanged = await _userService.SetUserApproval(user.Id, viewModel.Approved.Value, loginLink);
             }
             if (user.RequiresEmailConfirmation && viewModel.EmailConfirmed.HasValue && user.EmailConfirmed != viewModel.EmailConfirmed)
@@ -261,7 +261,7 @@ namespace BTCPayServer.Controllers
                     var currentUser = await _UserManager.GetUserAsync(HttpContext.User);
                     var sendEmail = model.SendInvitationEmail && ViewData["CanSendEmail"] is true;
 
-                    var evt = await UserEvent.Invited.Create(user, currentUser, _callbackGenerator, Request, sendEmail);
+                    var evt = await UserEvent.Invited.Create(user, currentUser, _callbackGenerator, sendEmail);
                     _eventAggregator.Publish(evt);
 
                     var info = sendEmail
@@ -383,7 +383,7 @@ namespace BTCPayServer.Controllers
             if (user == null)
                 return NotFound();
 
-            var loginLink = _callbackGenerator.ForLogin(user, Request);
+            var loginLink = _callbackGenerator.ForLogin(user);
             await _userService.SetUserApproval(userId, approved, loginLink);
 
             TempData[WellKnownTempData.SuccessMessage] = approved
@@ -411,7 +411,7 @@ namespace BTCPayServer.Controllers
                 throw new ApplicationException($"Unable to load user with ID '{userId}'.");
             }
 
-            var callbackUrl = await _callbackGenerator.ForEmailConfirmation(user, Request);
+            var callbackUrl = await _callbackGenerator.ForEmailConfirmation(user);
             _eventAggregator.Publish(new UserEvent.ConfirmationEmailRequested(user, callbackUrl));
             TempData[WellKnownTempData.SuccessMessage] = StringLocalizer["Verification email sent"].Value;
             return RedirectToAction(nameof(ListUsers));
diff --git a/BTCPayServer/Controllers/UIStoresController.Users.cs b/BTCPayServer/Controllers/UIStoresController.Users.cs
index afbaa8f65..915d0e0b8 100644
--- a/BTCPayServer/Controllers/UIStoresController.Users.cs
+++ b/BTCPayServer/Controllers/UIStoresController.Users.cs
@@ -74,7 +74,7 @@ public partial class UIStoresController
                     (await _userManager.CreateAsync(user)) is { Succeeded: true })
                 {
                     var invitationEmail = await _emailSenderFactory.IsComplete();
-                    var evt = await UserEvent.Invited.Create(user!, currentUser, _callbackGenerator, Request, invitationEmail);
+                    var evt = await UserEvent.Invited.Create(user!, currentUser, _callbackGenerator, invitationEmail);
                     _eventAggregator.Publish(evt);
                     inviteInfo = invitationEmail
                         ? StringLocalizer["An invitation email has been sent.<br/>You may alternatively share this link with them: <a class='alert-link' href='{0}'>{0}</a>", evt.InvitationLink]
diff --git a/BTCPayServer/Events/UserEvent.cs b/BTCPayServer/Events/UserEvent.cs
index 140f57b54..95085711b 100644
--- a/BTCPayServer/Events/UserEvent.cs
+++ b/BTCPayServer/Events/UserEvent.cs
@@ -30,10 +30,10 @@ public class UserEvent(ApplicationUser user)
     {
         public string ApprovalLink { get; } = approvalLink;
 		public string ConfirmationEmailLink { get; set; } = confirmationEmail;
-		public static async Task<Registered> Create(ApplicationUser user, CallbackGenerator callbackGenerator, HttpRequest request)
+		public static async Task<Registered> Create(ApplicationUser user, CallbackGenerator callbackGenerator)
 		{
-			var approvalLink = callbackGenerator.ForApproval(user, request);
-			var confirmationEmail = await callbackGenerator.ForEmailConfirmation(user, request);
+			var approvalLink = callbackGenerator.ForApproval(user);
+			var confirmationEmail = await callbackGenerator.ForEmailConfirmation(user);
 			return new Registered(user, approvalLink, confirmationEmail);
 		}
 	}
@@ -43,11 +43,11 @@ public class UserEvent(ApplicationUser user)
         public ApplicationUser InvitedByUser { get; } = invitedBy;
         public string InvitationLink { get; } = invitationLink;
 
-        public static async Task<Invited> Create(ApplicationUser user, ApplicationUser currentUser, CallbackGenerator callbackGenerator, HttpRequest request, bool sendEmail)
+        public static async Task<Invited> Create(ApplicationUser user, ApplicationUser currentUser, CallbackGenerator callbackGenerator, bool sendEmail)
         {
-			var invitationLink = await callbackGenerator.ForInvitation(user, request);
-			var approvalLink = callbackGenerator.ForApproval(user, request);
-			var confirmationEmail = await callbackGenerator.ForEmailConfirmation(user, request);
+			var invitationLink = await callbackGenerator.ForInvitation(user);
+			var approvalLink = callbackGenerator.ForApproval(user);
+			var confirmationEmail = await callbackGenerator.ForEmailConfirmation(user);
 			return new Invited(user, currentUser, invitationLink, approvalLink, confirmationEmail)
             {
                 SendInvitationEmail = sendEmail
diff --git a/BTCPayServer/Hosting/BTCPayServerServices.cs b/BTCPayServer/Hosting/BTCPayServerServices.cs
index 1e0f9408b..fb1d1529a 100644
--- a/BTCPayServer/Hosting/BTCPayServerServices.cs
+++ b/BTCPayServer/Hosting/BTCPayServerServices.cs
@@ -87,7 +87,7 @@ namespace BTCPayServer.Hosting
         }
         public static IServiceCollection AddBTCPayServer(this IServiceCollection services, IConfiguration configuration, Logs logs)
         {
-            services.TryAddSingleton<CallbackGenerator>();
+            services.TryAddScoped<CallbackGenerator>();
             services.TryAddSingleton<IStringLocalizerFactory, LocalizerFactory>();
             services.TryAddSingleton<IHtmlLocalizerFactory, LocalizerFactory>();
             services.TryAddSingleton<LocalizerService>();
diff --git a/BTCPayServer/Services/CallbackGenerator.cs b/BTCPayServer/Services/CallbackGenerator.cs
index 2e8dbd9ae..25d10c3ff 100644
--- a/BTCPayServer/Services/CallbackGenerator.cs
+++ b/BTCPayServer/Services/CallbackGenerator.cs
@@ -15,118 +15,93 @@ using Microsoft.AspNetCore.Mvc.Routing;
 using Microsoft.AspNetCore.Http.Extensions;
 using NBitcoin.DataEncoders;
 using System.Runtime.CompilerServices;
+using BTCPayServer.Abstractions;
 
 namespace BTCPayServer.Services
 {
-    public class CallbackGenerator(LinkGenerator linkGenerator, UserManager<ApplicationUser> userManager)
+    public class CallbackGenerator(
+        LinkGenerator linkGenerator,
+        UserManager<ApplicationUser> userManager,
+        IHttpContextAccessor httpContextAccessor)
     {
         public LinkGenerator LinkGenerator { get; } = linkGenerator;
         public UserManager<ApplicationUser> UserManager { get; } = userManager;
 
-        public string ForLNUrlAuth(ApplicationUser user, byte[] r, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(
-                        action: nameof(UILNURLAuthController.LoginResponse),
-                        controller: "UILNURLAuth",
-                        values: new { userId = user.Id, action = "login", tag = "login", k1 = Encoders.Hex.EncodeData(r) },
-                        request.Scheme,
-                        request.Host,
-                        request.PathBase) ?? throw Bug();
-        }
+        public string ForLNUrlAuth(ApplicationUser user, byte[] r)
+        => LinkGenerator.GetUriByAction(
+            action: nameof(UILNURLAuthController.LoginResponse),
+            controller: "UILNURLAuth",
+            values: new { userId = user.Id, action = "login", tag = "login", k1 = Encoders.Hex.EncodeData(r) },
+            GetRequestBaseUrl());
 
-        public string StoreUsersLink(string storeId, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(nameof(UIStoresController.StoreUsers), "UIStores",
-                new { storeId }, request.Scheme, request.Host, request.PathBase) ?? throw Bug();
-        }
+        private RequestBaseUrl GetRequestBaseUrl()
+        => httpContextAccessor.HttpContext?.Request.GetRequestBaseUrl() ?? throw new InvalidOperationException($"You should be in a HttpContext to call this method");
 
-        public async Task<string> ForEmailConfirmation(ApplicationUser user, HttpRequest request)
+        public string StoreUsersLink(string storeId)
+        => LinkGenerator.GetUriByAction(nameof(UIStoresController.StoreUsers), "UIStores",
+            new { storeId }, GetRequestBaseUrl());
+
+        public async Task<string> ForEmailConfirmation(ApplicationUser user)
         {
             var code = await UserManager.GenerateEmailConfirmationTokenAsync(user);
             return LinkGenerator.GetUriByAction(nameof(UIAccountController.ConfirmEmail), "UIAccount",
-                new { userId = user.Id, code }, request.Scheme, request.Host, request.PathBase) ?? throw Bug();
+                new { userId = user.Id, code }, GetRequestBaseUrl());
         }
-        public async Task<string> ForInvitation(ApplicationUser user, HttpRequest request)
+
+        public async Task<string> ForInvitation(ApplicationUser user)
         {
-            var code = await UserManager.GenerateInvitationTokenAsync<ApplicationUser>(user.Id) ?? throw Bug();
-            return ForInvitation(user.Id, code, request);
+            var code = await UserManager.GenerateInvitationTokenAsync<ApplicationUser>(user.Id);
+            return ForInvitation(user.Id, code ?? "???");
         }
-        public string ForInvitation(string userId, string code, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(nameof(UIAccountController.AcceptInvite), "UIAccount",
-                new { userId, code }, request.Scheme, request.Host, request.PathBase) ?? throw Bug();
-        }
-        public async Task<string> ForPasswordReset(ApplicationUser user, HttpRequest request)
+
+        public string ForInvitation(string userId, string code)
+        => LinkGenerator.GetUriByAction(nameof(UIAccountController.AcceptInvite), "UIAccount",
+            new { userId, code }, GetRequestBaseUrl());
+
+        public async Task<string> ForPasswordReset(ApplicationUser user)
         {
             var code = await UserManager.GeneratePasswordResetTokenAsync(user);
             return LinkGenerator.GetUriByAction(
                 action: nameof(UIAccountController.SetPassword),
                 controller: "UIAccount",
                 values: new { userId = user.Id, code },
-                scheme: request.Scheme,
-                host: request.Host,
-                pathBase: request.PathBase
-            ) ?? throw Bug();
+                GetRequestBaseUrl());
         }
 
-        public string ForApproval(ApplicationUser user, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(nameof(UIServerController.User), "UIServer",
-                new { userId = user.Id }, request.Scheme, request.Host, request.PathBase) ?? throw Bug();
-        }
-        public string ForLogin(ApplicationUser user, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(nameof(UIAccountController.Login), "UIAccount", new { email = user.Email }, request.Scheme, request.Host, request.PathBase) ?? throw Bug();
-        }
+        public string ForApproval(ApplicationUser user)
+        => LinkGenerator.GetUriByAction(nameof(UIServerController.User), "UIServer",
+            new { userId = user.Id }, GetRequestBaseUrl());
 
-        private Exception Bug([CallerMemberName] string? name = null) => new InvalidOperationException($"Error generating link for {name} (Report this bug to BTCPay Server github repository)");
+        public string ForLogin(ApplicationUser user)
+        => LinkGenerator.GetUriByAction(nameof(UIAccountController.Login), "UIAccount",
+            new { email = user.Email }, GetRequestBaseUrl());
 
-        public string WalletTransactionsLink(WalletId walletId, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(
-                action: nameof(UIWalletsController.WalletTransactions),
-                controller: "UIWallets",
-                values: new { walletId = walletId.ToString() },
-                scheme: request.Scheme,
-                host: request.Host,
-                pathBase: request.PathBase
-            ) ?? throw Bug();
-        }
+        public string WalletTransactionsLink(WalletId walletId)
+        => LinkGenerator.GetUriByAction(
+            action: nameof(UIWalletsController.WalletTransactions),
+            controller: "UIWallets",
+            values: new { walletId = walletId.ToString() },
+            GetRequestBaseUrl());
 
-        public string PaymentRequestByIdLink(string payReqId, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(
-                action: nameof(UIPaymentRequestController.ViewPaymentRequest),
-                controller: "UIPaymentRequest",
-                values: new { payReqId },
-                scheme: request.Scheme,
-                host: request.Host,
-                pathBase: request.PathBase
-            ) ?? throw Bug();
-        }
+        public string PaymentRequestByIdLink(string payReqId)
+        => LinkGenerator.GetUriByAction(
+            action: nameof(UIPaymentRequestController.ViewPaymentRequest),
+            controller: "UIPaymentRequest",
+            values: new { payReqId },
+            GetRequestBaseUrl());
 
-        public string PaymentRequestListLink(string storeId, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(
-                action: nameof(UIPaymentRequestController.GetPaymentRequests),
-                controller: "UIPaymentRequest",
-                values: new { storeId },
-                scheme: request.Scheme,
-                host: request.Host,
-                pathBase: request.PathBase
-            ) ?? throw Bug();
-        }
+        public string PaymentRequestListLink(string storeId)
+        => LinkGenerator.GetUriByAction(
+            action: nameof(UIPaymentRequestController.GetPaymentRequests),
+            controller: "UIPaymentRequest",
+            values: new { storeId },
+            GetRequestBaseUrl());
 
-        public string InvoiceLink(string invoiceId, HttpRequest request)
-        {
-            return LinkGenerator.GetUriByAction(
-                action: nameof(UIInvoiceController.Invoice),
-                controller: "UIInvoice",
-                values: new { invoiceId },
-                scheme: request.Scheme,
-                host: request.Host,
-                pathBase: request.PathBase
-            ) ?? throw Bug();
-        }
+        public string InvoiceLink(string invoiceId)
+        => LinkGenerator.GetUriByAction(
+            action: nameof(UIInvoiceController.Invoice),
+            controller: "UIInvoice",
+            values: new { invoiceId },
+            GetRequestBaseUrl());
     }
 }
diff --git a/BTCPayServer/Services/UserService.cs b/BTCPayServer/Services/UserService.cs
index bda7b749a..16cae10eb 100644
--- a/BTCPayServer/Services/UserService.cs
+++ b/BTCPayServer/Services/UserService.cs
@@ -90,7 +90,7 @@ namespace BTCPayServer.Services
                     ? null
                     : await uriResolver.Resolve(request.GetAbsoluteRootUri(), UnresolvedUri.Create(blob.ImageUrl)),
                 InvitationUrl = string.IsNullOrEmpty(blob.InvitationToken) ? null
-                    : callbackGenerator.ForInvitation(data.Id, blob.InvitationToken, request)
+                    : callbackGenerator.ForInvitation(data.Id, blob.InvitationToken)
             };
         }
 
diff --git a/BTCPayServer/Views/UIPaymentRequest/GetPaymentRequests.cshtml b/BTCPayServer/Views/UIPaymentRequest/GetPaymentRequests.cshtml
index 1795fa572..7fdd1bff6 100644
--- a/BTCPayServer/Views/UIPaymentRequest/GetPaymentRequests.cshtml
+++ b/BTCPayServer/Views/UIPaymentRequest/GetPaymentRequests.cshtml
@@ -123,7 +123,7 @@
                             <div class="d-inline-flex align-items-center gap-3">
                                 <a asp-action="ViewPaymentRequest" asp-route-payReqId="@item.Id" id="PaymentRequest-@item.Id" target="_blank" text-translate="true">View</a>
                                 <button type="button" class="btn btn-link p-0 clipboard-button"
-                                        data-clipboard="@CallbackGenerator.PaymentRequestByIdLink(item.Id, this.Context.Request)"
+                                        data-clipboard="@CallbackGenerator.PaymentRequestByIdLink(item.Id)"
                                         title="Copy Link">
                                     <vc:icon symbol="actions-copy" />
                                 </button>