diff --git a/src/Core/Services/IMailService.cs b/src/Core/Services/IMailService.cs
index 0e5831082f8a..6350a0e46183 100644
--- a/src/Core/Services/IMailService.cs
+++ b/src/Core/Services/IMailService.cs
@@ -24,7 +24,17 @@ public interface IMailService
     Task SendOrganizationConfirmedEmailAsync(string organizationName, string email);
     Task SendOrganizationUserRemovedForPolicyTwoStepEmailAsync(string organizationName, string email);
     Task SendPasswordlessSignInAsync(string returnUrl, string token, string email);
-    Task SendInvoiceUpcomingAsync(string email, decimal amount, DateTime dueDate, List<string> items,
+    Task SendInvoiceUpcoming(
+        string email,
+        decimal amount,
+        DateTime dueDate,
+        List<string> items,
+        bool mentionInvoices);
+    Task SendInvoiceUpcoming(
+        IEnumerable<string> email,
+        decimal amount,
+        DateTime dueDate,
+        List<string> items,
         bool mentionInvoices);
     Task SendPaymentFailedAsync(string email, decimal amount, bool mentionInvoices);
     Task SendAddedCreditAsync(string email, decimal amount);
diff --git a/src/Core/Services/Implementations/HandlebarsMailService.cs b/src/Core/Services/Implementations/HandlebarsMailService.cs
index 98ff7df07bd7..24974f7ff061 100644
--- a/src/Core/Services/Implementations/HandlebarsMailService.cs
+++ b/src/Core/Services/Implementations/HandlebarsMailService.cs
@@ -285,10 +285,21 @@ public async Task SendPasswordlessSignInAsync(string returnUrl, string token, st
         await _mailDeliveryService.SendEmailAsync(message);
     }
 
-    public async Task SendInvoiceUpcomingAsync(string email, decimal amount, DateTime dueDate,
-        List<string> items, bool mentionInvoices)
-    {
-        var message = CreateDefaultMessage("Your Subscription Will Renew Soon", email);
+    public async Task SendInvoiceUpcoming(
+        string email,
+        decimal amount,
+        DateTime dueDate,
+        List<string> items,
+        bool mentionInvoices) => await SendInvoiceUpcoming(new List<string> { email }, amount, dueDate, items, mentionInvoices);
+
+    public async Task SendInvoiceUpcoming(
+        IEnumerable<string> emails,
+        decimal amount,
+        DateTime dueDate,
+        List<string> items,
+        bool mentionInvoices)
+    {
+        var message = CreateDefaultMessage("Your Subscription Will Renew Soon", emails);
         var model = new InvoiceUpcomingViewModel
         {
             WebVaultUrl = _globalSettings.BaseServiceUri.VaultWithHash,
diff --git a/src/Core/Services/NoopImplementations/NoopMailService.cs b/src/Core/Services/NoopImplementations/NoopMailService.cs
index 97d69cfa48bf..089ae18f181c 100644
--- a/src/Core/Services/NoopImplementations/NoopMailService.cs
+++ b/src/Core/Services/NoopImplementations/NoopMailService.cs
@@ -88,11 +88,19 @@ public Task SendPasswordlessSignInAsync(string returnUrl, string token, string e
         return Task.FromResult(0);
     }
 
-    public Task SendInvoiceUpcomingAsync(string email, decimal amount, DateTime dueDate,
-        List<string> items, bool mentionInvoices)
-    {
-        return Task.FromResult(0);
-    }
+    public Task SendInvoiceUpcoming(
+        string email,
+        decimal amount,
+        DateTime dueDate,
+        List<string> items,
+        bool mentionInvoices) => Task.FromResult(0);
+
+    public Task SendInvoiceUpcoming(
+        IEnumerable<string> emails,
+        decimal amount,
+        DateTime dueDate,
+        List<string> items,
+        bool mentionInvoices) => Task.FromResult(0);
 
     public Task SendPaymentFailedAsync(string email, decimal amount, bool mentionInvoices)
     {