diff --git a/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs b/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs
index 193072b..1a5befe 100644
--- a/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs
+++ b/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs
@@ -1,4 +1,5 @@
-using MareSynchronos.API.Data;
+using System;
+using MareSynchronos.API.Data;
 using MareSynchronos.API.Data.Enum;
 using MessagePack;
 
@@ -13,4 +14,7 @@ public record GroupInfoDto(GroupData Group, UserData Owner, GroupPermissions Gro
     public string OwnerUID => Owner.UID;
     public string? OwnerAlias => Owner.Alias;
     public string OwnerAliasOrUID => Owner.AliasOrUID;
+
+    public bool IsTemporary { get; set; }
+    public DateTime? ExpiresAt { get; set; }
 }
diff --git a/MareSynchronosAPI/Dto/Group/GroupPasswordDto.cs b/MareSynchronosAPI/Dto/Group/GroupPasswordDto.cs
index bcc31f0..6af9598 100644
--- a/MareSynchronosAPI/Dto/Group/GroupPasswordDto.cs
+++ b/MareSynchronosAPI/Dto/Group/GroupPasswordDto.cs
@@ -1,7 +1,12 @@
-using MareSynchronos.API.Data;
+using System;
+using MareSynchronos.API.Data;
 using MessagePack;
 
 namespace MareSynchronos.API.Dto.Group;
 
 [MessagePackObject(keyAsPropertyName: true)]
-public record GroupPasswordDto(GroupData Group, string Password) : GroupDto(Group);
+public record GroupPasswordDto(GroupData Group, string Password) : GroupDto(Group)
+{
+    public bool IsTemporary { get; set; }
+    public DateTime? ExpiresAt { get; set; }
+}
diff --git a/MareSynchronosAPI/SignalR/IMareHub.cs b/MareSynchronosAPI/SignalR/IMareHub.cs
index e3feaeb..ecc67fb 100644
--- a/MareSynchronosAPI/SignalR/IMareHub.cs
+++ b/MareSynchronosAPI/SignalR/IMareHub.cs
@@ -10,7 +10,7 @@ namespace MareSynchronos.API.SignalR;
 
 public interface IMareHub
 {
-    const int ApiVersion = 1027;
+    const int ApiVersion = 1028;
     const string Path = "/mare";
 
     Task<bool> CheckClientHealth();
@@ -83,6 +83,8 @@ public interface IMareHub
 
     Task<GroupPasswordDto> GroupCreate(string? alias);
 
+    Task<GroupPasswordDto> GroupCreateTemporary(DateTime expiresAtUtc);
+
     Task<List<string>> GroupCreateTempInvite(GroupDto group, int amount);
 
     Task GroupDelete(GroupDto group);