diff --git a/LightlessSyncAPI/Data/GroupData.cs b/LightlessSyncAPI/Data/GroupData.cs
index a8ccca2..6fc07ba 100644
--- a/LightlessSyncAPI/Data/GroupData.cs
+++ b/LightlessSyncAPI/Data/GroupData.cs
@@ -3,8 +3,8 @@
 namespace LightlessSync.API.Data;
 
 [MessagePackObject(keyAsPropertyName: true)]
-public record GroupData(string GID, string? Alias = null)
+public record GroupData(string GID, string? Alias = null, DateTime? CreatedAt = null)
 {
     [IgnoreMember]
-    public string AliasOrGID => string.IsNullOrWhiteSpace(Alias) ? GID : Alias;
+    public string AliasOrGID => Alias ?? GID;
 }
\ No newline at end of file
diff --git a/LightlessSyncAPI/Data/UserData.cs b/LightlessSyncAPI/Data/UserData.cs
index d993fa3..cd1a19c 100644
--- a/LightlessSyncAPI/Data/UserData.cs
+++ b/LightlessSyncAPI/Data/UserData.cs
@@ -1,9 +1,16 @@
-using MessagePack;
+using MessagePack;
 
 namespace LightlessSync.API.Data;
 
 [MessagePackObject(keyAsPropertyName: true)]
-public record UserData(string UID, string? Alias = null)
+public record UserData(
+    string UID,
+    string? Alias = null,
+    bool IsAdmin = false,
+    bool IsModerator = false,
+    bool HasVanity = false,
+    string? TextColorHex = "",
+    string? TextGlowColorHex = "")
 {
     [IgnoreMember]
     public string AliasOrUID => string.IsNullOrWhiteSpace(Alias) ? UID : Alias;
diff --git a/LightlessSyncAPI/Dto/ConnectionDto.cs b/LightlessSyncAPI/Dto/ConnectionDto.cs
index eea8666..d52a83f 100644
--- a/LightlessSyncAPI/Dto/ConnectionDto.cs
+++ b/LightlessSyncAPI/Dto/ConnectionDto.cs
@@ -10,6 +10,9 @@ public record ConnectionDto(UserData User)
     public int ServerVersion { get; set; }
     public bool IsAdmin { get; set; }
     public bool IsModerator { get; set; }
+    public bool HasVanity { get; set; }
+    public string? TextColorHex { get; set; }
+    public string? TextGlowColorHex { get; set; }
     public ServerInfo ServerInfo { get; set; } = new();
     public DefaultPermissionsDto DefaultPreferredPermissions { get; set; } = new();
 }
diff --git a/LightlessSyncAPI/Dto/Group/GroupBroadcastRequestDto.cs b/LightlessSyncAPI/Dto/Group/GroupBroadcastRequestDto.cs
new file mode 100644
index 0000000..657f42d
--- /dev/null
+++ b/LightlessSyncAPI/Dto/Group/GroupBroadcastRequestDto.cs
@@ -0,0 +1,11 @@
+using MessagePack;
+
+namespace LightlessSync.API.Dto.Group;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed class GroupBroadcastRequestDto
+{
+    public required string GID { get; init; }
+    public string? HashedCID { get; set; }
+    public required bool Enabled { get; init; }
+}
diff --git a/LightlessSyncAPI/Dto/Group/GroupJoinHashedDto.cs b/LightlessSyncAPI/Dto/Group/GroupJoinHashedDto.cs
new file mode 100644
index 0000000..5e63e5e
--- /dev/null
+++ b/LightlessSyncAPI/Dto/Group/GroupJoinHashedDto.cs
@@ -0,0 +1,12 @@
+using LightlessSync.API.Data;
+using LightlessSync.API.Data.Enum;
+using MessagePack;
+
+namespace LightlessSync.API.Dto.Group;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public record GroupJoinHashedDto(
+    GroupData Group,
+    string HashedPassword,
+    GroupUserPreferredPermissions GroupUserPreferredPermissions
+);
diff --git a/LightlessSyncAPI/Dto/Group/GroupPairDto.cs b/LightlessSyncAPI/Dto/Group/GroupPairDto.cs
index e1f4ef0..100e2b9 100644
--- a/LightlessSyncAPI/Dto/Group/GroupPairDto.cs
+++ b/LightlessSyncAPI/Dto/Group/GroupPairDto.cs
@@ -9,4 +9,5 @@ public record GroupPairDto(GroupData Group, UserData User) : GroupDto(Group)
     public string UID => User.UID;
     public string? UserAlias => User.Alias;
     public string UserAliasOrUID => User.AliasOrUID;
+
 }
\ No newline at end of file
diff --git a/LightlessSyncAPI/Dto/Group/GroupProfileDto.cs b/LightlessSyncAPI/Dto/Group/GroupProfileDto.cs
new file mode 100644
index 0000000..03d2b7c
--- /dev/null
+++ b/LightlessSyncAPI/Dto/Group/GroupProfileDto.cs
@@ -0,0 +1,6 @@
+using LightlessSync.API.Data;
+
+namespace LightlessSync.API.Dto.Group
+{
+    public record GroupProfileDto(GroupData Group, string? Description, string? Tags, string? PictureBase64) : GroupDto(Group);
+}
diff --git a/LightlessSyncAPI/Dto/User/BroadcastStatusBatchDto.cs b/LightlessSyncAPI/Dto/User/BroadcastStatusBatchDto.cs
new file mode 100644
index 0000000..39961b5
--- /dev/null
+++ b/LightlessSyncAPI/Dto/User/BroadcastStatusBatchDto.cs
@@ -0,0 +1,9 @@
+using MessagePack;
+
+namespace LightlessSync.API.Dto.User;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed class BroadcastStatusBatchDto
+{
+    public Dictionary<string, BroadcastStatusInfoDto> Results { get; init; } = new();
+}
diff --git a/LightlessSyncAPI/Dto/User/BroadcastStatusInfoDto.cs b/LightlessSyncAPI/Dto/User/BroadcastStatusInfoDto.cs
new file mode 100644
index 0000000..88698d4
--- /dev/null
+++ b/LightlessSyncAPI/Dto/User/BroadcastStatusInfoDto.cs
@@ -0,0 +1,12 @@
+using MessagePack;
+
+namespace LightlessSync.API.Dto.User;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed class BroadcastStatusInfoDto
+{
+    public required string HashedCID { get; init; }
+    public required bool IsBroadcasting { get; init; }
+    public TimeSpan? TTL { get; init; }
+    public string? GID { get; init; }
+}
\ No newline at end of file
diff --git a/LightlessSyncAPI/Dto/User/BroadcastStatusRequestDto.cs b/LightlessSyncAPI/Dto/User/BroadcastStatusRequestDto.cs
new file mode 100644
index 0000000..49213da
--- /dev/null
+++ b/LightlessSyncAPI/Dto/User/BroadcastStatusRequestDto.cs
@@ -0,0 +1,12 @@
+using MessagePack;
+
+namespace LightlessSync.API.Dto.User;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed class BroadcastStatusRequestDto
+{
+    public required string HashedCID { get; init; }
+    public required bool Enabled { get; init; }
+    public string? GID { get; init; }
+}
+
diff --git a/LightlessSyncAPI/Dto/User/UserPairNotificationDto.cs b/LightlessSyncAPI/Dto/User/UserPairNotificationDto.cs
new file mode 100644
index 0000000..8cf52a4
--- /dev/null
+++ b/LightlessSyncAPI/Dto/User/UserPairNotificationDto.cs
@@ -0,0 +1,10 @@
+using MessagePack;
+
+namespace LightlessSync.API.Dto.User;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed class UserPairNotificationDto
+{
+    public required string myHashedCid { get; init; }
+    public required string message { get; init; }
+}
\ No newline at end of file
diff --git a/LightlessSyncAPI/Dto/User/UserVanityColorsDto.cs b/LightlessSyncAPI/Dto/User/UserVanityColorsDto.cs
new file mode 100644
index 0000000..9b9232a
--- /dev/null
+++ b/LightlessSyncAPI/Dto/User/UserVanityColorsDto.cs
@@ -0,0 +1,6 @@
+using MessagePack;
+
+namespace LightlessSync.API.Dto.User;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public record UserVanityColorsDto(string? TextColorHex, string? TextGlowColorHex);
diff --git a/LightlessSyncAPI/SignalR/ILightlessHub.cs b/LightlessSyncAPI/SignalR/ILightlessHub.cs
index 99cd1b2..e96513c 100644
--- a/LightlessSyncAPI/SignalR/ILightlessHub.cs
+++ b/LightlessSyncAPI/SignalR/ILightlessHub.cs
@@ -1,4 +1,4 @@
-using LightlessSync.API.Data;
+using LightlessSync.API.Data;
 using LightlessSync.API.Data.Enum;
 using LightlessSync.API.Dto;
 using LightlessSync.API.Dto.CharaData;
@@ -21,8 +21,10 @@ public interface ILightlessHub
     Task Client_GroupPairJoined(GroupPairFullInfoDto groupPairInfoDto);
     Task Client_GroupPairLeft(GroupPairDto groupPairDto);
     Task Client_GroupSendFullInfo(GroupFullInfoDto groupInfo);
+    Task Client_GroupSendProfile (GroupProfileDto groupInfo);
     Task Client_GroupSendInfo(GroupInfoDto groupInfo);
     Task Client_ReceiveServerMessage(MessageSeverity messageSeverity, string message);
+    Task Client_ReceiveBroadcastPairRequest(UserPairNotificationDto dto);
     Task Client_UpdateSystemInfo(SystemInfoDto systemInfo);
     Task Client_UserAddClientPair(UserPairDto dto);
     Task Client_UserReceiveCharacterData(OnlineUserCharaDataDto dataDto);
@@ -49,25 +51,39 @@ public interface ILightlessHub
     Task GroupChangeOwnership(GroupPairDto groupPair);
     Task<bool> GroupChangePassword(GroupPasswordDto groupPassword);
     Task GroupClear(GroupDto group);
+    Task GroupClearFinder(GroupDto group);
     Task<GroupJoinDto> GroupCreate();
     Task<List<string>> GroupCreateTempInvite(GroupDto group, int amount);
     Task GroupDelete(GroupDto group);
     Task<List<BannedGroupUserDto>> GroupGetBannedUsers(GroupDto group);
     Task<GroupJoinInfoDto> GroupJoin(GroupPasswordDto passwordedGroup);
     Task<bool> GroupJoinFinalize(GroupJoinDto passwordedGroup);
+    Task<GroupJoinInfoDto> GroupJoinHashed(GroupJoinHashedDto dto);
     Task GroupLeave(GroupDto group);
     Task GroupRemoveUser(GroupPairDto groupPair);
+    Task<GroupProfileDto> GroupGetProfile(GroupDto dto);
+    Task GroupSetProfile(GroupProfileDto dto);
     Task GroupSetUserInfo(GroupPairUserInfoDto groupPair);
     Task<List<GroupFullInfoDto>> GroupsGetAll();
     Task GroupUnbanUser(GroupPairDto groupPair);
     Task<int> GroupPrune(GroupDto group, int days, bool execute);
 
     Task UserAddPair(UserDto user);
+    Task TryPairWithContentId(string otherCid, string myCid);
+
+    Task SetBroadcastStatus(string hashedCid, bool enabled, GroupBroadcastRequestDto? groupDto = null);
+    Task<bool> SetGroupBroadcastStatus(GroupBroadcastRequestDto dto);
+    Task<List<GroupJoinDto>> GetBroadcastedGroups(List<BroadcastStatusInfoDto> broadcastEntries);
+    Task<BroadcastStatusInfoDto?> IsUserBroadcasting(string hashedCid);
+    Task<BroadcastStatusBatchDto?> AreUsersBroadcasting(List<string> hashedCids);
+    Task<TimeSpan?> GetBroadcastTtl(string hashedCid);
+
     Task UserDelete();
     Task<List<OnlineUserIdentDto>> UserGetOnlinePairs(CensusDataDto? censusDataDto);
     Task<List<UserFullPairDto>> UserGetPairedClients();
     Task<UserProfileDto> UserGetProfile(UserDto dto);
     Task UserPushData(UserCharaDataMessageDto dto);
+    Task UserUpdateVanityColors(UserVanityColorsDto dto);
     Task UserRemovePair(UserDto userDto);
     Task UserSetProfile(UserProfileDto userDescription);
     Task UserUpdateDefaultPermissions(DefaultPermissionsDto defaultPermissionsDto);
@@ -88,4 +104,4 @@ public interface ILightlessHub
     Task GposeLobbyPushCharacterData(CharaDataDownloadDto charaDownloadDto);
     Task GposeLobbyPushPoseData(PoseData poseData);
     Task GposeLobbyPushWorldData(WorldData worldData);
-}
\ No newline at end of file
+}