diff --git a/elm.json b/elm.json
index 0eed841..5c10da6 100644
--- a/elm.json
+++ b/elm.json
@@ -3,7 +3,7 @@
     "name": "noordstar/elm-matrix-sdk-beta",
     "summary": "Matrix SDK for instant communication. Unstable beta version for testing only.",
     "license": "EUPL-1.1",
-    "version": "3.4.0",
+    "version": "3.5.0",
     "exposed-modules": [
         "Matrix",
         "Matrix.Event",
diff --git a/src/Internal/Api/BanUser/Api.elm b/src/Internal/Api/BanUser/Api.elm
new file mode 100644
index 0000000..e187014
--- /dev/null
+++ b/src/Internal/Api/BanUser/Api.elm
@@ -0,0 +1,116 @@
+module Internal.Api.BanUser.Api exposing (Phantom, banUser)
+
+{-|
+
+
+# Ban user
+
+This module helps to ban users from a room.
+
+@docs Phantom, banUser
+
+-}
+
+import Internal.Api.Api as A
+import Internal.Api.Request as R
+import Internal.Config.Log exposing (log)
+import Internal.Config.Text as Text
+import Internal.Tools.Json as Json
+import Internal.Values.Envelope as E
+import Internal.Values.Room as R
+import Internal.Values.User as User exposing (User)
+import Internal.Values.Vault as V
+
+
+banUser : BanUserInput -> A.TaskChain (Phantom a) (Phantom a)
+banUser =
+    A.startWithVersion "r0.0.0" banUserV1
+        |> A.sameForVersion "r0.0.1"
+        |> A.sameForVersion "r0.1.0"
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.3.0"
+        |> A.sameForVersion "r0.4.0"
+        |> A.sameForVersion "r0.5.0"
+        |> A.sameForVersion "r0.6.0"
+        |> A.sameForVersion "r0.6.1"
+        |> A.forVersion "v1.1" banUserV2
+        |> A.sameForVersion "v1.2"
+        |> A.sameForVersion "v1.3"
+        |> A.sameForVersion "v1.4"
+        |> A.sameForVersion "v1.5"
+        |> A.sameForVersion "v1.6"
+        |> A.sameForVersion "v1.7"
+        |> A.sameForVersion "v1.8"
+        |> A.sameForVersion "v1.9"
+        |> A.sameForVersion "v1.10"
+        |> A.sameForVersion "v1.11"
+        |> A.versionChain
+
+
+type alias Phantom a =
+    { a | accessToken : (), baseUrl : (), versions : () }
+
+
+type alias PhantomV1 a =
+    { a | accessToken : (), baseUrl : () }
+
+
+type alias BanUserInput =
+    { reason : Maybe String
+    , roomId : String
+    , user : User
+    }
+
+
+type alias BanUserInputV1 a =
+    { a | reason : Maybe String, roomId : String, user : User }
+
+
+type alias BanUserOutputV1 =
+    ()
+
+
+banUserV1 : BanUserInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+banUserV1 { reason, roomId, user } =
+    A.request
+        { attributes =
+            [ R.accessToken
+            , R.bodyOpString "reason" reason
+            , R.bodyString "user_id" (User.toString user)
+            ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "POST"
+        , path = [ "_matrix", "client", "r0", "rooms", roomId, "ban" ]
+        , toUpdate =
+            \() ->
+                ( E.More []
+                , []
+                )
+        }
+
+
+banUserV2 : BanUserInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+banUserV2 { reason, roomId, user } =
+    A.request
+        { attributes =
+            [ R.accessToken
+            , R.bodyOpString "reason" reason
+            , R.bodyString "user_id" (User.toString user)
+            ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "POST"
+        , path = [ "_matrix", "client", "v3", "rooms", roomId, "ban" ]
+        , toUpdate =
+            \() ->
+                ( E.More []
+                , []
+                )
+        }
+
+
+coderV1 : Json.Coder BanUserOutputV1
+coderV1 =
+    Json.unit
diff --git a/src/Internal/Api/Invite/Api.elm b/src/Internal/Api/InviteUser/Api.elm
similarity index 92%
rename from src/Internal/Api/Invite/Api.elm
rename to src/Internal/Api/InviteUser/Api.elm
index e39c118..b70b457 100644
--- a/src/Internal/Api/Invite/Api.elm
+++ b/src/Internal/Api/InviteUser/Api.elm
@@ -1,4 +1,4 @@
-module Internal.Api.Invite.Api exposing (InviteInput, Phantom, invite)
+module Internal.Api.InviteUser.Api exposing (InviteInput, Phantom, inviteUser)
 
 {-|
 
@@ -14,7 +14,7 @@ room.
 If the user was invited to the room, the homeserver will append a m.room.member
 event to the room.
 
-@docs InviteInput, Phantom, invite
+@docs InviteInput, Phantom, inviteUser
 
 -}
 
@@ -31,8 +31,8 @@ import Internal.Values.Vault as V
 
 {-| Invite a user to a room.
 -}
-invite : InviteInput -> A.TaskChain (Phantom ph1) (Phantom ph1)
-invite =
+inviteUser : InviteInput -> A.TaskChain (Phantom ph1) (Phantom ph1)
+inviteUser =
     A.startWithVersion "r0.0.0" inviteV1
         |> A.sameForVersion "r0.0.1"
         |> A.sameForVersion "r0.1.0"
@@ -107,7 +107,8 @@ inviteV2 : InviteInputV2 a -> A.TaskChain (PhantomV1 ph1) (PhantomV1 ph1)
 inviteV2 { reason, roomId, user } =
     A.request
         { attributes =
-            [ R.bodyOpString "reason" reason
+            [ R.accessToken
+            , R.bodyOpString "reason" reason
             , R.bodyString "user_id" (User.toString user)
             , R.onStatusCode 400 "M_UNKNOWN"
             , R.onStatusCode 403 "M_FORBIDDEN"
diff --git a/src/Internal/Api/KickUser/Api.elm b/src/Internal/Api/KickUser/Api.elm
new file mode 100644
index 0000000..e33b5cb
--- /dev/null
+++ b/src/Internal/Api/KickUser/Api.elm
@@ -0,0 +1,178 @@
+module Internal.Api.KickUser.Api exposing (Phantom, kickUser)
+
+{-|
+
+
+# Kick user
+
+This module helps to kick users from a room.
+
+@docs Phantom, kickUser
+
+-}
+
+import Internal.Api.Api as A
+import Internal.Api.Request as R
+import Internal.Config.Log exposing (log)
+import Internal.Config.Text as Text
+import Internal.Tools.Json as Json
+import Internal.Values.Envelope as E
+import Internal.Values.Room as R
+import Internal.Values.User as User exposing (User)
+import Internal.Values.Vault as V
+
+
+kickUser : KickUserInput -> A.TaskChain (Phantom a) (Phantom a)
+kickUser =
+    A.startWithVersion "r0.0.0" kickUserV1
+        |> A.sameForVersion "r0.0.1"
+        -- NOTE: Kicking a user was first added in r0.1.0
+        |> A.forVersion "r0.1.0" kickUserV2
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.3.0"
+        |> A.sameForVersion "r0.4.0"
+        |> A.sameForVersion "r0.5.0"
+        |> A.sameForVersion "r0.6.0"
+        |> A.sameForVersion "r0.6.1"
+        |> A.forVersion "v1.1" kickUserV3
+        |> A.sameForVersion "v1.2"
+        |> A.sameForVersion "v1.3"
+        |> A.sameForVersion "v1.4"
+        |> A.sameForVersion "v1.5"
+        |> A.sameForVersion "v1.6"
+        |> A.sameForVersion "v1.7"
+        |> A.sameForVersion "v1.8"
+        |> A.sameForVersion "v1.9"
+        |> A.sameForVersion "v1.10"
+        |> A.sameForVersion "v1.11"
+        |> A.versionChain
+
+
+type alias Phantom a =
+    { a | accessToken : (), baseUrl : (), versions : () }
+
+
+type alias PhantomV1 a =
+    { a | accessToken : (), baseUrl : () }
+
+
+type alias KickUserInput =
+    { avatarUrl : Maybe String
+    , displayname : Maybe String
+    , reason : Maybe String
+    , roomId : String
+    , user : User
+    }
+
+
+type alias KickUserInputV1 a =
+    { a
+        | avatarUrl : Maybe String
+        , displayname : Maybe String
+        , reason : Maybe String
+        , roomId : String
+        , user : User
+    }
+
+
+type alias KickUserInputV2 a =
+    { a | reason : Maybe String, roomId : String, user : User }
+
+
+type alias KickUserOutputV1 =
+    { eventId : Maybe String }
+
+
+type alias KickUserOutputV2 =
+    ()
+
+
+kickUserV1 : KickUserInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+kickUserV1 { avatarUrl, displayname, reason, roomId, user } =
+    A.request
+        { attributes =
+            [ R.accessToken
+            , R.bodyString "membership" "kick"
+            , R.bodyOpString "avatar_url" avatarUrl
+            , R.bodyOpString "displayname" displayname
+            , R.bodyOpString "reason" reason
+            ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "r0", "rooms", roomId, "state", "m.room.member", User.toString user ]
+        , toUpdate =
+            \out ->
+                ( E.More []
+                , [ "The kick API endpoint does not exist before spec version r0.1.0 - falling back to sending state event directly."
+                        |> log.debug
+                  , out.eventId
+                        |> Text.logs.sendEvent
+                        |> log.debug
+                  ]
+                )
+        }
+
+
+kickUserV2 : KickUserInputV2 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+kickUserV2 { reason, roomId, user } =
+    A.request
+        { attributes =
+            [ R.accessToken
+            , R.bodyOpString "reason" reason
+            , R.bodyString "user_id" (User.toString user)
+            ]
+        , coder = coderV2
+        , contextChange = always identity
+        , method = "POST"
+        , path = [ "_matrix", "client", "r0", "rooms", roomId, "kick" ]
+        , toUpdate =
+            \() ->
+                ( E.More []
+                , []
+                )
+        }
+
+
+kickUserV3 : KickUserInputV2 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+kickUserV3 { reason, roomId, user } =
+    A.request
+        { attributes =
+            [ R.accessToken
+            , R.bodyOpString "reason" reason
+            , R.bodyString "user_id" (User.toString user)
+            ]
+        , coder = coderV2
+        , contextChange = always identity
+        , method = "POST"
+        , path = [ "_matrix", "client", "v3", "rooms", roomId, "kick" ]
+        , toUpdate =
+            \() ->
+                ( E.More []
+                , []
+                )
+        }
+
+
+coderV1 : Json.Coder KickUserOutputV1
+coderV1 =
+    Json.object1
+        { name = "EventResponse"
+        , description =
+            [ "This object is returned after a state event has been sent."
+            ]
+        , init = KickUserOutputV1
+        }
+        (Json.field.optional.value
+            { fieldName = "event_id"
+            , toField = .eventId
+            , description = [ "A unique identifier for the event." ]
+            , coder = Json.string
+            }
+        )
+
+
+coderV2 : Json.Coder KickUserOutputV2
+coderV2 =
+    Json.unit
diff --git a/src/Internal/Api/LoginWithUsernameAndPassword/Api.elm b/src/Internal/Api/LoginWithUsernameAndPassword/Api.elm
index b5cddcd..55bb897 100644
--- a/src/Internal/Api/LoginWithUsernameAndPassword/Api.elm
+++ b/src/Internal/Api/LoginWithUsernameAndPassword/Api.elm
@@ -191,7 +191,7 @@ loginWithUsernameAndPasswordV1 { username, password } =
                             }
                         , E.RemovePasswordIfNecessary
                         , out.user
-                            |> Maybe.map (V.SetUser >> E.ContentUpdate)
+                            |> Maybe.map E.SetUser
                             |> E.Optional
                         ]
                     , Text.logs.loggedInAs username
@@ -233,7 +233,7 @@ loginWithUsernameAndPasswordV2 { deviceId, initialDeviceDisplayName, username, p
                             }
                         , E.RemovePasswordIfNecessary
                         , out.user
-                            |> Maybe.map (V.SetUser >> E.ContentUpdate)
+                            |> Maybe.map E.SetUser
                             |> E.Optional
                         , out.deviceId
                             |> Maybe.map E.SetDeviceId
@@ -285,7 +285,7 @@ loginWithUsernameAndPasswordV3 { deviceId, initialDeviceDisplayName, username, p
                             }
                         , E.RemovePasswordIfNecessary
                         , out.user
-                            |> Maybe.map (V.SetUser >> E.ContentUpdate)
+                            |> Maybe.map E.SetUser
                             |> E.Optional
                         , out.deviceId
                             |> Maybe.map E.SetDeviceId
@@ -337,7 +337,7 @@ loginWithUsernameAndPasswordV4 { deviceId, initialDeviceDisplayName, username, p
                             }
                         , E.RemovePasswordIfNecessary
                         , out.user
-                            |> Maybe.map (V.SetUser >> E.ContentUpdate)
+                            |> Maybe.map E.SetUser
                             |> E.Optional
                         , out.wellKnown
                             |> Maybe.map (.homeserver >> .baseUrl)
@@ -393,7 +393,7 @@ loginWithUsernameAndPasswordV5 { deviceId, initialDeviceDisplayName, username, p
                             }
                         , E.RemovePasswordIfNecessary
                         , out.user
-                            |> Maybe.map (V.SetUser >> E.ContentUpdate)
+                            |> Maybe.map E.SetUser
                             |> E.Optional
                         , out.wellKnown
                             |> Maybe.map (.homeserver >> .baseUrl)
@@ -450,7 +450,7 @@ loginWithUsernameAndPasswordV6 { deviceId, enableRefreshToken, initialDeviceDisp
                             }
                         , E.RemovePasswordIfNecessary
                         , out.user
-                            |> Maybe.map (V.SetUser >> E.ContentUpdate)
+                            |> Maybe.map E.SetUser
                             |> E.Optional
                         , out.wellKnown
                             |> Maybe.map (.homeserver >> .baseUrl)
@@ -506,7 +506,7 @@ loginWithUsernameAndPasswordV7 { deviceId, enableRefreshToken, initialDeviceDisp
                             , value = out.accessToken
                             }
                         , E.RemovePasswordIfNecessary
-                        , E.ContentUpdate (V.SetUser out.user)
+                        , E.SetUser out.user
                         , out.wellKnown
                             |> Maybe.map (.homeserver >> .baseUrl)
                             |> Maybe.map E.SetBaseUrl
diff --git a/src/Internal/Api/Main.elm b/src/Internal/Api/Main.elm
index bf9b1ea..385d7ed 100644
--- a/src/Internal/Api/Main.elm
+++ b/src/Internal/Api/Main.elm
@@ -1,6 +1,6 @@
 module Internal.Api.Main exposing
     ( Msg
-    , sendMessageEvent, sync
+    , banUser, inviteUser, kickUser, sendMessageEvent, sendStateEvent, setAccountData, setRoomAccountData, sync
     )
 
 {-|
@@ -18,7 +18,7 @@ This module is used as reference for getting
 
 ## Actions
 
-@docs sendMessageEvent, sync
+@docs banUser, inviteUser, kickUser, sendMessageEvent, sendStateEvent, setAccountData, setRoomAccountData, sync
 
 -}
 
@@ -26,6 +26,8 @@ import Internal.Api.Task as ITask exposing (Backpack)
 import Internal.Tools.Json as Json
 import Internal.Values.Context as Context
 import Internal.Values.Envelope as E
+import Internal.Values.User as User exposing (User)
+import Internal.Values.Vault as V
 
 
 {-| Update message type that is being returned.
@@ -34,6 +36,77 @@ type alias Msg =
     Backpack
 
 
+{-| Ban a user from a room.
+-}
+banUser :
+    E.Envelope a
+    ->
+        { reason : Maybe String
+        , roomId : String
+        , toMsg : Msg -> msg
+        , user : User
+        }
+    -> Cmd msg
+banUser env data =
+    ITask.run
+        data.toMsg
+        (ITask.banUser
+            { reason = data.reason
+            , roomId = data.roomId
+            , user = data.user
+            }
+        )
+        (Context.apiFormat env.context)
+
+
+{-| Invite a user to a room.
+-}
+inviteUser :
+    E.Envelope a
+    ->
+        { reason : Maybe String
+        , roomId : String
+        , toMsg : Msg -> msg
+        , user : User
+        }
+    -> Cmd msg
+inviteUser env data =
+    ITask.run
+        data.toMsg
+        (ITask.inviteUser
+            { reason = data.reason
+            , roomId = data.roomId
+            , user = data.user
+            }
+        )
+        (Context.apiFormat env.context)
+
+
+{-| Kick a user from a room.
+-}
+kickUser :
+    E.Envelope a
+    ->
+        { reason : Maybe String
+        , roomId : String
+        , toMsg : Msg -> msg
+        , user : User
+        }
+    -> Cmd msg
+kickUser env data =
+    ITask.run
+        data.toMsg
+        (ITask.kickUser
+            { avatarUrl = Nothing
+            , displayname = Nothing
+            , reason = data.reason
+            , roomId = data.roomId
+            , user = data.user
+            }
+        )
+        (Context.apiFormat env.context)
+
+
 {-| Send a message event.
 -}
 sendMessageEvent :
@@ -59,6 +132,91 @@ sendMessageEvent env data =
         (Context.apiFormat env.context)
 
 
+{-| Send a state event to a room.
+-}
+sendStateEvent :
+    E.Envelope a
+    ->
+        { content : Json.Value
+        , eventType : String
+        , roomId : String
+        , stateKey : String
+        , toMsg : Msg -> msg
+        }
+    -> Cmd msg
+sendStateEvent env data =
+    ITask.run
+        data.toMsg
+        (ITask.sendStateEvent
+            { content = data.content
+            , eventType = data.eventType
+            , roomId = data.roomId
+            , stateKey = data.stateKey
+            }
+        )
+        (Context.apiFormat env.context)
+
+
+{-| Set global account data.
+-}
+setAccountData :
+    E.Envelope a
+    ->
+        { content : Json.Value
+        , eventType : String
+        , toMsg : Msg -> msg
+        }
+    -> Cmd msg
+setAccountData env data =
+    case env.context.user of
+        Just u ->
+            ITask.run
+                data.toMsg
+                (ITask.setAccountData
+                    { content = data.content
+                    , eventType = data.eventType
+                    , userId = User.toString u
+                    }
+                )
+                (Context.apiFormat env.context)
+
+        Nothing ->
+            Cmd.none
+
+
+{-| Set the account data for a Matrix room.
+-}
+setRoomAccountData :
+    E.Envelope a
+    ->
+        { content : Json.Value
+        , eventType : String
+        , roomId : String
+        , toMsg : Msg -> msg
+        }
+    -> Cmd msg
+setRoomAccountData env data =
+    case env.context.user of
+        Just u ->
+            ITask.run
+                data.toMsg
+                (ITask.setRoomAccountData
+                    { content = data.content
+                    , eventType = data.eventType
+                    , roomId = data.roomId
+                    , userId = User.toString u
+                    }
+                )
+                (Context.apiFormat env.context)
+
+        Nothing ->
+            Cmd.none
+
+
+
+-- TODO: Return error about lacking user capabilities
+
+
 {-| Sync with the Matrix API to stay up-to-date.
 -}
 sync :
diff --git a/src/Internal/Api/SendStateEvent/Api.elm b/src/Internal/Api/SendStateEvent/Api.elm
new file mode 100644
index 0000000..a1e6656
--- /dev/null
+++ b/src/Internal/Api/SendStateEvent/Api.elm
@@ -0,0 +1,176 @@
+module Internal.Api.SendStateEvent.Api exposing (..)
+
+{-|
+
+
+# Send state event
+
+This module sends state events to Matrix rooms.
+
+@docs Phantom, sendStateEvent
+
+-}
+
+import Internal.Api.Api as A
+import Internal.Api.Request as R
+import Internal.Config.Log exposing (log)
+import Internal.Config.Text as Text
+import Internal.Tools.Json as Json
+import Internal.Values.Envelope as E
+
+
+{-| Send a state event to a Matrix room.
+-}
+sendStateEvent : SendStateEventInput -> A.TaskChain (Phantom a) (Phantom a)
+sendStateEvent =
+    A.startWithVersion "r0.0.0" sendStateEventV1
+        |> A.sameForVersion "r0.0.1"
+        |> A.sameForVersion "r0.1.0"
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.3.0"
+        |> A.sameForVersion "r0.4.0"
+        |> A.sameForVersion "r0.5.0"
+        |> A.sameForVersion "r0.6.0"
+        |> A.forVersion "r0.6.1" sendStateEventV2
+        |> A.forVersion "v1.1" sendStateEventV3
+        |> A.sameForVersion "v1.2"
+        |> A.sameForVersion "v1.3"
+        |> A.sameForVersion "v1.4"
+        |> A.sameForVersion "v1.5"
+        |> A.sameForVersion "v1.6"
+        |> A.sameForVersion "v1.7"
+        |> A.sameForVersion "v1.8"
+        |> A.sameForVersion "v1.9"
+        |> A.sameForVersion "v1.10"
+        |> A.sameForVersion "v1.11"
+        |> A.versionChain
+
+
+{-| Context needed for sending a state event
+-}
+type alias Phantom a =
+    { a | accessToken : (), baseUrl : (), versions : () }
+
+
+type alias PhantomV1 a =
+    { a | accessToken : (), baseUrl : () }
+
+
+type alias SendStateEventInput =
+    { content : Json.Value
+    , eventType : String
+    , roomId : String
+    , stateKey : String
+    }
+
+
+type alias SendStateEventInputV1 a =
+    { a
+        | content : Json.Value
+        , eventType : String
+        , roomId : String
+        , stateKey : String
+    }
+
+
+type alias SendStateEventOutputV1 =
+    { eventId : Maybe String }
+
+
+type alias SendStateEventOutputV2 =
+    { eventId : String }
+
+
+sendStateEventV1 : SendStateEventInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+sendStateEventV1 { content, eventType, roomId, stateKey } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "r0", "rooms", roomId, "state", eventType, stateKey ]
+        , toUpdate =
+            \out ->
+                ( E.More []
+                , out.eventId
+                    |> Text.logs.sendEvent
+                    |> log.debug
+                    |> List.singleton
+                )
+        }
+
+
+sendStateEventV2 : SendStateEventInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+sendStateEventV2 { content, eventType, roomId, stateKey } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV2
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "r0", "rooms", roomId, "state", eventType, stateKey ]
+        , toUpdate =
+            \out ->
+                ( E.More []
+                , out.eventId
+                    |> Maybe.Just
+                    |> Text.logs.sendEvent
+                    |> log.debug
+                    |> List.singleton
+                )
+        }
+
+
+sendStateEventV3 : SendStateEventInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+sendStateEventV3 { content, eventType, roomId, stateKey } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV2
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "v3", "rooms", roomId, "state", eventType, stateKey ]
+        , toUpdate =
+            \out ->
+                ( E.More []
+                , out.eventId
+                    |> Maybe.Just
+                    |> Text.logs.sendEvent
+                    |> log.debug
+                    |> List.singleton
+                )
+        }
+
+
+coderV1 : Json.Coder SendStateEventOutputV1
+coderV1 =
+    Json.object1
+        { name = "EventResponse"
+        , description =
+            [ "This object is returned after a state event has been sent."
+            ]
+        , init = SendStateEventOutputV1
+        }
+        (Json.field.optional.value
+            { fieldName = "event_id"
+            , toField = .eventId
+            , description = [ "A unique identifier for the event." ]
+            , coder = Json.string
+            }
+        )
+
+
+coderV2 : Json.Coder SendStateEventOutputV2
+coderV2 =
+    Json.object1
+        { name = "EventResponse"
+        , description =
+            [ "This object is returned after a state event has been sent."
+            ]
+        , init = SendStateEventOutputV2
+        }
+        (Json.field.required
+            { fieldName = "event_id"
+            , toField = .eventId
+            , description = [ "A unique identifier for the event." ]
+            , coder = Json.string
+            }
+        )
diff --git a/src/Internal/Api/SetAccountData/Api.elm b/src/Internal/Api/SetAccountData/Api.elm
new file mode 100644
index 0000000..f55a3b3
--- /dev/null
+++ b/src/Internal/Api/SetAccountData/Api.elm
@@ -0,0 +1,107 @@
+module Internal.Api.SetAccountData.Api exposing (Phantom, setAccountData)
+
+{-|
+
+
+# Set Account Data
+
+This module allows the developer to set global account data.
+
+@docs Phantom, setAccountData
+
+-}
+
+import Internal.Api.Api as A
+import Internal.Api.Request as R
+import Internal.Config.Log exposing (log)
+import Internal.Config.Text as Text
+import Internal.Tools.Json as Json
+import Internal.Values.Envelope as E
+import Internal.Values.Room as R
+import Internal.Values.Vault as V
+
+
+setAccountData : SetAccountDataInput -> A.TaskChain (Phantom a) (Phantom a)
+setAccountData =
+    A.startWithVersion "r0.0.0" setAccountDataV1
+        |> A.sameForVersion "r0.0.1"
+        |> A.sameForVersion "r0.1.0"
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.3.0"
+        |> A.sameForVersion "r0.4.0"
+        |> A.sameForVersion "r0.5.0"
+        |> A.sameForVersion "r0.6.0"
+        |> A.sameForVersion "r0.6.1"
+        |> A.forVersion "v1.1" setAccountDataV2
+        |> A.sameForVersion "v1.2"
+        |> A.sameForVersion "v1.3"
+        |> A.sameForVersion "v1.4"
+        |> A.sameForVersion "v1.5"
+        |> A.sameForVersion "v1.6"
+        |> A.sameForVersion "v1.7"
+        |> A.sameForVersion "v1.8"
+        |> A.sameForVersion "v1.9"
+        |> A.sameForVersion "v1.10"
+        |> A.sameForVersion "v1.11"
+        |> A.versionChain
+
+
+{-| Context needed for setting global account data.
+-}
+type alias Phantom a =
+    { a | accessToken : (), baseUrl : (), versions : () }
+
+
+type alias PhantomV1 a =
+    { a | accessToken : (), baseUrl : () }
+
+
+type alias SetAccountDataInput =
+    { content : Json.Value, eventType : String, userId : String }
+
+
+type alias SetAccountDataInputV1 a =
+    { a | content : Json.Value, eventType : String, userId : String }
+
+
+type alias SetAccountDataOutput =
+    ()
+
+
+setAccountDataV1 : SetAccountDataInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+setAccountDataV1 { content, eventType, userId } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "r0", "user", userId, "account_data", eventType ]
+        , toUpdate =
+            \() ->
+                ( V.SetAccountData eventType content
+                    |> E.ContentUpdate
+                , []
+                )
+        }
+
+
+setAccountDataV2 : SetAccountDataInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+setAccountDataV2 { content, eventType, userId } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "v3", "user", userId, "account_data", eventType ]
+        , toUpdate =
+            \() ->
+                ( V.SetAccountData eventType content
+                    |> E.ContentUpdate
+                , []
+                )
+        }
+
+
+coderV1 : Json.Coder SetAccountDataOutput
+coderV1 =
+    Json.unit
diff --git a/src/Internal/Api/SetRoomAccountData/Api.elm b/src/Internal/Api/SetRoomAccountData/Api.elm
new file mode 100644
index 0000000..eb74e0f
--- /dev/null
+++ b/src/Internal/Api/SetRoomAccountData/Api.elm
@@ -0,0 +1,111 @@
+module Internal.Api.SetRoomAccountData.Api exposing (..)
+
+{-|
+
+
+# Set Room Account Data
+
+This module allows the developer to set account data to a Matrix room.
+
+@docs Phantom, setRoomAccountData
+
+-}
+
+import Internal.Api.Api as A
+import Internal.Api.Request as R
+import Internal.Config.Log exposing (log)
+import Internal.Config.Text as Text
+import Internal.Tools.Json as Json
+import Internal.Values.Envelope as E
+import Internal.Values.Room as R
+import Internal.Values.Vault as V
+
+
+{-| Set account data to a Matrix room.
+-}
+setRoomAccountData : SetRoomAccountDataInput -> A.TaskChain (Phantom a) (Phantom a)
+setRoomAccountData =
+    A.startWithVersion "r0.0.0" setRoomAccountDataV1
+        |> A.sameForVersion "r0.0.1"
+        |> A.sameForVersion "r0.1.0"
+        |> A.sameForVersion "r0.2.0"
+        |> A.sameForVersion "r0.3.0"
+        |> A.sameForVersion "r0.4.0"
+        |> A.sameForVersion "r0.5.0"
+        |> A.sameForVersion "r0.6.0"
+        |> A.sameForVersion "r0.6.1"
+        |> A.forVersion "v1.1" setRoomAccountDataV2
+        |> A.sameForVersion "v1.2"
+        |> A.sameForVersion "v1.3"
+        |> A.sameForVersion "v1.4"
+        |> A.sameForVersion "v1.5"
+        |> A.sameForVersion "v1.6"
+        |> A.sameForVersion "v1.7"
+        |> A.sameForVersion "v1.8"
+        |> A.sameForVersion "v1.9"
+        |> A.sameForVersion "v1.10"
+        |> A.sameForVersion "v1.11"
+        |> A.versionChain
+
+
+{-| Context needed for setting account data on a room.
+-}
+type alias Phantom a =
+    { a | accessToken : (), baseUrl : (), versions : () }
+
+
+type alias PhantomV1 a =
+    { a | accessToken : (), baseUrl : () }
+
+
+type alias SetRoomAccountDataInput =
+    { content : Json.Value, eventType : String, roomId : String, userId : String }
+
+
+type alias SetRoomAccountDataInputV1 a =
+    { a | content : Json.Value, eventType : String, roomId : String, userId : String }
+
+
+type alias SetRoomAccountDataOutputV1 =
+    ()
+
+
+setRoomAccountDataV1 : SetRoomAccountDataInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+setRoomAccountDataV1 { content, eventType, roomId, userId } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "r0", "user", userId, "rooms", roomId, "account_data", eventType ]
+        , toUpdate =
+            \() ->
+                ( R.SetAccountData eventType content
+                    |> V.MapRoom roomId
+                    |> E.ContentUpdate
+                , []
+                )
+        }
+
+
+setRoomAccountDataV2 : SetRoomAccountDataInputV1 i -> A.TaskChain (PhantomV1 a) (PhantomV1 a)
+setRoomAccountDataV2 { content, eventType, roomId, userId } =
+    A.request
+        { attributes = [ R.accessToken, R.fullBody content ]
+        , coder = coderV1
+        , contextChange = always identity
+        , method = "PUT"
+        , path = [ "_matrix", "client", "v3", "user", userId, "rooms", roomId, "account_data", eventType ]
+        , toUpdate =
+            \() ->
+                ( R.SetAccountData eventType content
+                    |> V.MapRoom roomId
+                    |> E.ContentUpdate
+                , []
+                )
+        }
+
+
+coderV1 : Json.Coder SetRoomAccountDataOutputV1
+coderV1 =
+    Json.unit
diff --git a/src/Internal/Api/Sync/Api.elm b/src/Internal/Api/Sync/Api.elm
index ed094eb..38e34ed 100644
--- a/src/Internal/Api/Sync/Api.elm
+++ b/src/Internal/Api/Sync/Api.elm
@@ -106,7 +106,7 @@ syncV1 data =
         , method = "GET"
         , path = [ "_matrix", "client", "v3", "sync" ]
         , toUpdate =
-            Debug.log "Handling output v1" >> V1.updateSyncResponse { filter = Filter.pass, since = data.since } >> Debug.log "Received"
+            V1.updateSyncResponse { filter = Filter.pass, since = data.since }
         }
 
 
@@ -128,7 +128,7 @@ syncV2 data =
         , method = "GET"
         , path = [ "_matrix", "client", "v3", "sync" ]
         , toUpdate =
-            Debug.log "Handling output v2" >> V2.updateSyncResponse { filter = Filter.pass, since = data.since } >> Debug.log "Received"
+            V2.updateSyncResponse { filter = Filter.pass, since = data.since }
         }
 
 
@@ -150,7 +150,7 @@ syncV3 data =
         , method = "GET"
         , path = [ "_matrix", "client", "v3", "sync" ]
         , toUpdate =
-            Debug.log "Handling output v3" >> V3.updateSyncResponse { filter = Filter.pass, since = data.since } >> Debug.log "Received"
+            V3.updateSyncResponse { filter = Filter.pass, since = data.since }
         }
 
 
@@ -172,5 +172,5 @@ syncV4 data =
         , method = "GET"
         , path = [ "_matrix", "client", "v3", "sync" ]
         , toUpdate =
-            Debug.log "Handling output v4" >> V4.updateSyncResponse { filter = Filter.pass, since = data.since } >> Debug.log "Received"
+            V4.updateSyncResponse { filter = Filter.pass, since = data.since }
         }
diff --git a/src/Internal/Api/Task.elm b/src/Internal/Api/Task.elm
index 43d3845..76e27bb 100644
--- a/src/Internal/Api/Task.elm
+++ b/src/Internal/Api/Task.elm
@@ -1,6 +1,6 @@
 module Internal.Api.Task exposing
     ( Task, run, Backpack
-    , sendMessageEvent, sync
+    , banUser, inviteUser, kickUser, sendMessageEvent, sendStateEvent, setAccountData, setRoomAccountData, sync
     )
 
 {-|
@@ -23,16 +23,22 @@ up-to-date.
 
 ## Tasks
 
-@docs sendMessageEvent, sync
+@docs banUser, inviteUser, kickUser, sendMessageEvent, sendStateEvent, setAccountData, setRoomAccountData, sync
 
 -}
 
+import Internal.Api.BanUser.Api
 import Internal.Api.BaseUrl.Api
 import Internal.Api.Chain as C
+import Internal.Api.InviteUser.Api
+import Internal.Api.KickUser.Api
 import Internal.Api.LoginWithUsernameAndPassword.Api
 import Internal.Api.Now.Api
 import Internal.Api.Request as Request
 import Internal.Api.SendMessageEvent.Api
+import Internal.Api.SendStateEvent.Api
+import Internal.Api.SetAccountData.Api
+import Internal.Api.SetRoomAccountData.Api
 import Internal.Api.Sync.Api
 import Internal.Api.Versions.Api
 import Internal.Config.Log exposing (Log, log)
@@ -41,6 +47,7 @@ import Internal.Tools.Json as Json
 import Internal.Values.Context as Context exposing (APIContext)
 import Internal.Values.Envelope as E exposing (EnvelopeUpdate(..))
 import Internal.Values.Room exposing (RoomUpdate(..))
+import Internal.Values.User exposing (User)
 import Internal.Values.Vault exposing (VaultUpdate(..))
 import Task
 
@@ -65,6 +72,15 @@ type alias UFTask a b =
     C.TaskChain Request.Error (EnvelopeUpdate VaultUpdate) a b
 
 
+{-| Ban a user from a room.
+-}
+banUser : { reason : Maybe String, roomId : String, user : User } -> Task
+banUser input =
+    makeVBA
+        |> C.andThen (Internal.Api.BanUser.Api.banUser input)
+        |> finishTask
+
+
 {-| Get an access token to talk to the Matrix API
 -}
 getAccessToken : UFTask { a | baseUrl : (), now : (), versions : () } { a | accessToken : (), baseUrl : (), now : (), versions : () }
@@ -204,6 +220,31 @@ finishTask uftask =
             )
 
 
+{-| Invite a user to a room.
+-}
+inviteUser : { reason : Maybe String, roomId : String, user : User } -> Task
+inviteUser input =
+    makeVBA
+        |> C.andThen (Internal.Api.InviteUser.Api.inviteUser input)
+        |> finishTask
+
+
+{-| Kick a user from a room.
+-}
+kickUser :
+    { avatarUrl : Maybe String
+    , displayname : Maybe String
+    , reason : Maybe String
+    , roomId : String
+    , user : User
+    }
+    -> Task
+kickUser input =
+    makeVBA
+        |> C.andThen (Internal.Api.KickUser.Api.kickUser input)
+        |> finishTask
+
+
 {-| Establish a Task Chain context where the base URL and supported list of
 versions are known.
 -}
@@ -232,6 +273,33 @@ sendMessageEvent input =
         |> finishTask
 
 
+{-| Send a state event to a room.
+-}
+sendStateEvent : { content : Json.Value, eventType : String, roomId : String, stateKey : String } -> Task
+sendStateEvent input =
+    makeVBA
+        |> C.andThen (Internal.Api.SendStateEvent.Api.sendStateEvent input)
+        |> finishTask
+
+
+{-| Set global account data.
+-}
+setAccountData : { content : Json.Value, eventType : String, userId : String } -> Task
+setAccountData input =
+    makeVBA
+        |> C.andThen (Internal.Api.SetAccountData.Api.setAccountData input)
+        |> finishTask
+
+
+{-| Set account data for a Matrix room.
+-}
+setRoomAccountData : { content : Json.Value, eventType : String, roomId : String, userId : String } -> Task
+setRoomAccountData input =
+    makeVBA
+        |> C.andThen (Internal.Api.SetRoomAccountData.Api.setRoomAccountData input)
+        |> finishTask
+
+
 {-| Sync with the Matrix API to stay up-to-date.
 -}
 sync : { fullState : Maybe Bool, presence : Maybe String, since : Maybe String, timeout : Maybe Int } -> Task
diff --git a/src/Internal/Config/Default.elm b/src/Internal/Config/Default.elm
index 606468e..d1734c9 100644
--- a/src/Internal/Config/Default.elm
+++ b/src/Internal/Config/Default.elm
@@ -29,7 +29,7 @@ will assume until overriden by the user.
 -}
 currentVersion : String
 currentVersion =
-    "beta 3.4.0"
+    "beta 3.5.0"
 
 
 {-| The default device name that is being communicated with the Matrix API.
diff --git a/src/Internal/Config/Text.elm b/src/Internal/Config/Text.elm
index fbeba89..c43084e 100644
--- a/src/Internal/Config/Text.elm
+++ b/src/Internal/Config/Text.elm
@@ -278,6 +278,7 @@ fields :
         , serverName : Desc
         , suggestedAccessToken : Desc
         , transaction : Desc
+        , user : Desc
         , versions : Desc
         }
     , envelope :
@@ -409,6 +410,9 @@ fields =
         , transaction =
             [ "A unique identifier for a transaction initiated by the user."
             ]
+        , user =
+            [ "The Matrix user the Vault is representing."
+            ]
         , versions =
             [ "The versions of the Matrix protocol that are supported by the server."
             ]
diff --git a/src/Internal/Tools/DecodeExtra.elm b/src/Internal/Tools/DecodeExtra.elm
index b7a0ae8..12feceb 100644
--- a/src/Internal/Tools/DecodeExtra.elm
+++ b/src/Internal/Tools/DecodeExtra.elm
@@ -1,6 +1,6 @@
 module Internal.Tools.DecodeExtra exposing
     ( opField, opFieldWithDefault
-    , map9, map10, map11, map12
+    , map9, map10, map11, map12, map13
     )
 
 {-|
@@ -18,7 +18,7 @@ This module contains helper functions that help decode JSON.
 
 ## Extended map functions
 
-@docs map9, map10, map11, map12
+@docs map9, map10, map11, map12, map13
 
 -}
 
@@ -185,3 +185,36 @@ map12 func da db dc dd de df dg dh di dj dk dl =
         (D.map2 Tuple.pair dg dh)
         (D.map2 Tuple.pair di dj)
         (D.map2 Tuple.pair dk dl)
+
+
+{-| Try 12 decoders and combine the result.
+-}
+map13 :
+    (a -> b -> c -> d -> e -> f -> g -> h -> i -> j -> k -> l -> m -> value)
+    -> D.Decoder a
+    -> D.Decoder b
+    -> D.Decoder c
+    -> D.Decoder d
+    -> D.Decoder e
+    -> D.Decoder f
+    -> D.Decoder g
+    -> D.Decoder h
+    -> D.Decoder i
+    -> D.Decoder j
+    -> D.Decoder k
+    -> D.Decoder l
+    -> D.Decoder m
+    -> D.Decoder value
+map13 func da db dc dd de df dg dh di dj dk dl dm =
+    D.map8
+        (\a b c ( d, e ) ( f, g ) ( h, i ) ( j, k ) ( l, m ) ->
+            func a b c d e f g h i j k l m
+        )
+        da
+        db
+        dc
+        (D.map2 Tuple.pair dd de)
+        (D.map2 Tuple.pair df dg)
+        (D.map2 Tuple.pair dh di)
+        (D.map2 Tuple.pair dj dk)
+        (D.map2 Tuple.pair dl dm)
diff --git a/src/Internal/Tools/Json.elm b/src/Internal/Tools/Json.elm
index 799298a..e697f46 100644
--- a/src/Internal/Tools/Json.elm
+++ b/src/Internal/Tools/Json.elm
@@ -1,11 +1,11 @@
 module Internal.Tools.Json exposing
-    ( Coder, string, bool, int, float, value
+    ( Coder, string, bool, int, float, value, unit
     , Encoder, encode, Decoder, decode, Value
     , succeed, fail, andThen, lazy, map
     , Docs(..), RequiredField(..), toDocs
     , list, listWithOne, slowDict, fastDict, fastIntDict, set, iddict, maybe
     , Field, field, parser
-    , object1, object2, object3, object4, object5, object6, object7, object8, object9, object10, object11, object12
+    , object1, object2, object3, object4, object5, object6, object7, object8, object9, object10, object11, object12, object13
     )
 
 {-|
@@ -29,7 +29,7 @@ data types. Because this module uses dynamic builder types, this also means it
 is relatively easy to write documentation for any data type that uses this
 module to build its encoders and decoders.
 
-@docs Coder, string, bool, int, float, value
+@docs Coder, string, bool, int, float, value, unit
 
 
 ## JSON Coding
@@ -62,7 +62,7 @@ first.
 
 Once all fields are constructed, the user can create JSON objects.
 
-@docs object1, object2, object3, object4, object5, object6, object7, object8, object9, object10, object11, object12
+@docs object1, object2, object3, object4, object5, object6, object7, object8, object9, object10, object11, object12, object13
 
 -}
 
@@ -165,6 +165,7 @@ type Docs
     | DocsRiskyMap (Descriptive { content : Docs, failure : List String })
     | DocsSet Docs
     | DocsString
+    | DocsUnit
     | DocsValue
 
 
@@ -1272,6 +1273,85 @@ object12 { name, description, init } fa fb fc fd fe ff fg fh fi fj fk fl =
         }
 
 
+{-| Define an object with 13 keys
+-}
+object13 :
+    Descriptive { init : a -> b -> c -> d -> e -> f -> g -> h -> i -> j -> k -> l -> m -> object }
+    -> Field a object
+    -> Field b object
+    -> Field c object
+    -> Field d object
+    -> Field e object
+    -> Field f object
+    -> Field g object
+    -> Field h object
+    -> Field i object
+    -> Field j object
+    -> Field k object
+    -> Field l object
+    -> Field m object
+    -> Coder object
+object13 { name, description, init } fa fb fc fd fe ff fg fh fi fj fk fl fm =
+    Coder
+        { encoder =
+            objectEncoder
+                [ toEncodeField fa
+                , toEncodeField fb
+                , toEncodeField fc
+                , toEncodeField fd
+                , toEncodeField fe
+                , toEncodeField ff
+                , toEncodeField fg
+                , toEncodeField fh
+                , toEncodeField fi
+                , toEncodeField fj
+                , toEncodeField fk
+                , toEncodeField fl
+                , toEncodeField fm
+                ]
+        , decoder =
+            D.map13
+                (\( a, la ) ( b, lb ) ( c, lc ) ( d, ld ) ( e, le ) ( f, lf ) ( g, lg ) ( h, lh ) ( i, li ) ( j, lj ) ( k, lk ) ( l, ll ) ( m, lm ) ->
+                    ( init a b c d e f g h i j k l m
+                    , List.concat [ la, lb, lc, ld, le, lf, lg, lh, li, lj, lk, ll, lm ]
+                    )
+                )
+                (toDecoderField fa)
+                (toDecoderField fb)
+                (toDecoderField fc)
+                (toDecoderField fd)
+                (toDecoderField fe)
+                (toDecoderField ff)
+                (toDecoderField fg)
+                (toDecoderField fh)
+                (toDecoderField fi)
+                (toDecoderField fj)
+                (toDecoderField fk)
+                (toDecoderField fl)
+                (toDecoderField fm)
+        , docs =
+            DocsObject
+                { name = name
+                , description = description
+                , keys =
+                    [ toDocsField fa
+                    , toDocsField fb
+                    , toDocsField fc
+                    , toDocsField fd
+                    , toDocsField fe
+                    , toDocsField ff
+                    , toDocsField fg
+                    , toDocsField fh
+                    , toDocsField fi
+                    , toDocsField fj
+                    , toDocsField fk
+                    , toDocsField fl
+                    , toDocsField fm
+                    ]
+                }
+        }
+
+
 {-| Define a parser that converts a string into a custom Elm type.
 -}
 parser : { name : String, p : P.Parser ( a, List Log ), toString : a -> String } -> Coder a
@@ -1383,6 +1463,18 @@ toEncodeField (Field data) =
     ( data.fieldName, data.toField >> data.encoder )
 
 
+{-| Completely ignore whatever needs to be encoded, and simply return a unit
+value.
+-}
+unit : Coder ()
+unit =
+    Coder
+        { encoder = \() -> E.object []
+        , decoder = D.succeed ( (), [] )
+        , docs = DocsUnit
+        }
+
+
 {-| Do not do anything useful with a JSON value, just bring it to Elm as a
 JavaScript value.
 -}
diff --git a/src/Internal/Values/Context.elm b/src/Internal/Values/Context.elm
index d53783d..a81b0d1 100644
--- a/src/Internal/Values/Context.elm
+++ b/src/Internal/Values/Context.elm
@@ -71,6 +71,7 @@ import Internal.Config.Text as Text
 import Internal.Tools.Hashdict as Hashdict exposing (Hashdict)
 import Internal.Tools.Json as Json
 import Internal.Tools.Timestamp as Timestamp exposing (Timestamp)
+import Internal.Values.User as User exposing (User)
 import Set exposing (Set)
 import Time
 
@@ -101,6 +102,7 @@ type alias Context =
     , serverName : String
     , suggestedAccessToken : Maybe String
     , transaction : Maybe String
+    , user : Maybe User
     , username : Maybe String
     , versions : Maybe Versions
     }
@@ -152,7 +154,7 @@ fromApiFormat (APIContext c) =
 -}
 coder : Json.Coder Context
 coder =
-    Json.object12
+    Json.object13
         { name = Text.docs.context.name
         , description = Text.docs.context.description
         , init = Context
@@ -227,6 +229,13 @@ coder =
             , coder = Json.string
             }
         )
+        (Json.field.optional.value
+            { fieldName = "user"
+            , toField = .user
+            , description = Text.fields.context.user
+            , coder = User.coder
+            }
+        )
         (Json.field.optional.value
             { fieldName = "username"
             , toField = .username
@@ -305,8 +314,8 @@ encode =
 
 {-| A basic, untouched version of the Context, containing no information.
 -}
-init : String -> Context
-init sn =
+init : String -> Maybe User -> Context
+init sn mu =
     { accessTokens = Hashdict.empty .value
     , baseUrl = Nothing
     , deviceId = Nothing
@@ -317,6 +326,7 @@ init sn =
     , serverName = sn
     , suggestedAccessToken = Nothing
     , transaction = Nothing
+    , user = mu
     , username = Nothing
     , versions = Nothing
     }
diff --git a/src/Internal/Values/Envelope.elm b/src/Internal/Values/Envelope.elm
index 82c8d81..7cd9757 100644
--- a/src/Internal/Values/Envelope.elm
+++ b/src/Internal/Values/Envelope.elm
@@ -56,6 +56,7 @@ import Internal.Tools.Json as Json
 import Internal.Tools.Timestamp exposing (Timestamp)
 import Internal.Values.Context as Context exposing (AccessToken, Context, Versions)
 import Internal.Values.Settings as Settings
+import Internal.Values.User exposing (User)
 import Recursion
 import Recursion.Fold
 
@@ -87,6 +88,7 @@ type EnvelopeUpdate a
     | SetNextBatch String
     | SetNow Timestamp
     | SetRefreshToken String
+    | SetUser User
     | SetVersions Versions
 
 
@@ -188,10 +190,10 @@ getContent =
 {-| Create a new enveloped data type. All settings are set to default values
 from the [Internal.Config.Default](Internal-Config-Default) module.
 -}
-init : { serverName : String, content : a } -> Envelope a
+init : { content : a, serverName : String, user : Maybe User } -> Envelope a
 init data =
     { content = data.content
-    , context = Context.init data.serverName
+    , context = Context.init data.serverName data.user
     , settings = Settings.init
     }
 
@@ -374,6 +376,12 @@ update updateContent eu startData =
                             { data | context = { context | refreshToken = Just r } }
                         )
 
+                SetUser u ->
+                    Recursion.base
+                        (\({ context } as data) ->
+                            { data | context = { context | user = Just u } }
+                        )
+
                 SetVersions vs ->
                     Recursion.base
                         (\({ context } as data) ->
diff --git a/src/Internal/Values/Vault.elm b/src/Internal/Values/Vault.elm
index 3e048d3..d3eb906 100644
--- a/src/Internal/Values/Vault.elm
+++ b/src/Internal/Values/Vault.elm
@@ -54,7 +54,6 @@ type alias Vault =
     { accountData : Dict String Json.Value
     , nextBatch : Maybe String
     , rooms : Hashdict Room
-    , user : Maybe User
     }
 
 
@@ -68,14 +67,13 @@ type VaultUpdate
     | Optional (Maybe VaultUpdate)
     | SetAccountData String Json.Value
     | SetNextBatch String
-    | SetUser User
 
 
 {-| Convert a Vault to and from a JSON object.
 -}
 coder : Json.Coder Vault
 coder =
-    Json.object4
+    Json.object3
         { name = Text.docs.vault.name
         , description = Text.docs.vault.description
         , init = Vault
@@ -101,13 +99,6 @@ coder =
             , coder = Hashdict.coder .roomId Room.coder
             }
         )
-        (Json.field.optional.value
-            { fieldName = "user"
-            , toField = .user
-            , description = Text.fields.vault.user
-            , coder = User.coder
-            }
-        )
 
 
 {-| Get a given room by its room id.
@@ -126,12 +117,11 @@ getAccountData key vault =
 
 {-| Initiate a new Vault type.
 -}
-init : Maybe User -> Vault
-init mUser =
+init : Vault
+init =
     { accountData = Dict.empty
     , nextBatch = Nothing
     , rooms = Hashdict.empty .roomId
-    , user = mUser
     }
 
 
@@ -196,12 +186,6 @@ update vaultUpdate startVault =
                         (\vault ->
                             { vault | nextBatch = Just nb }
                         )
-
-                SetUser user ->
-                    Recursion.base
-                        (\vault ->
-                            { vault | user = Just user }
-                        )
         )
         vaultUpdate
         startVault
diff --git a/src/Matrix.elm b/src/Matrix.elm
index 6c66953..7ea641a 100644
--- a/src/Matrix.elm
+++ b/src/Matrix.elm
@@ -2,6 +2,7 @@ module Matrix exposing
     ( Vault, fromUserId, fromUsername
     , VaultUpdate, update, sync, logs
     , rooms, fromRoomId
+    , getAccountData, setAccountData
     , addAccessToken, sendMessageEvent
     )
 
@@ -33,6 +34,11 @@ support a monolithic public registry. (:
 @docs rooms, fromRoomId
 
 
+## Account data
+
+@docs getAccountData, setAccountData
+
+
 ## Debugging
 
 @docs addAccessToken, sendMessageEvent
@@ -80,6 +86,13 @@ fromRoomId roomId (Vault vault) =
         |> Maybe.map Types.Room
 
 
+{-| Get global account data.
+-}
+getAccountData : String -> Vault -> Maybe E.Value
+getAccountData key (Vault vault) =
+    Envelope.extract (Internal.getAccountData key) vault
+
+
 {-| Use a fully-fledged Matrix ID to connect.
 
     case Matrix.fromUserId "@alice:example.org" of
@@ -97,8 +110,9 @@ fromUserId uid =
         |> Maybe.map
             (\u ->
                 Envelope.init
-                    { serverName = "https://" ++ User.domain u
-                    , content = Internal.init (Just u)
+                    { content = Internal.init
+                    , serverName = "https://" ++ User.domain u
+                    , user = Just u
                     }
                     |> Envelope.mapContext (\c -> { c | username = Just uid })
             )
@@ -113,13 +127,14 @@ you can either insert `alice` or `@alice:example.org`.
 -}
 fromUsername : { username : String, host : String, port_ : Maybe Int } -> Vault
 fromUsername { username, host, port_ } =
-    { serverName =
+    { content = Internal.init
+    , serverName =
         port_
             |> Maybe.map String.fromInt
             |> Maybe.map ((++) ":")
             |> Maybe.withDefault ""
             |> (++) host
-    , content = Internal.init (User.fromString username)
+    , user = User.fromString username
     }
         |> Envelope.init
         |> Envelope.mapContext (\c -> { c | username = Just username })
@@ -197,6 +212,25 @@ sendMessageEvent data =
                 }
 
 
+{-| Set global account data.
+-}
+setAccountData :
+    { content : E.Value
+    , eventType : String
+    , room : Vault
+    , toMsg : Types.VaultUpdate -> msg
+    }
+    -> Cmd msg
+setAccountData data =
+    case data.room of
+        Vault vault ->
+            Api.setAccountData vault
+                { content = data.content
+                , eventType = data.eventType
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                }
+
+
 {-| Synchronize the Vault with the Matrix API.
 
 Effectively, this task asks the Matrix API to provide the latest information,
diff --git a/src/Matrix/Room.elm b/src/Matrix/Room.elm
index a3e24ae..6c1a6c7 100644
--- a/src/Matrix/Room.elm
+++ b/src/Matrix/Room.elm
@@ -1,6 +1,8 @@
 module Matrix.Room exposing
     ( Room, mostRecentEvents, roomId
-    , getAccountData
+    , getAccountData, setAccountData
+    , sendMessageEvent, sendStateEvent
+    , invite, kick, ban
     )
 
 {-|
@@ -33,10 +35,26 @@ data is linked to the user account: other logged in devices can see the account
 data too, as the server synchronizes it, but the server shouldn´t show it to
 other users.
 
-@docs getAccountData
+@docs getAccountData, setAccountData
+
+
+## Sending events
+
+Besides reading the latest events, one can also send new events to the Matrix
+room. These events are JSON objects that can be shaped in any way or form that
+you like. To help other users with decoding your JSON objects, you pass an
+`eventType` string which helps them figure out the nature of your JSON object.
+
+@docs sendMessageEvent, sendStateEvent
+
+
+## Moderating users
+
+@docs invite, kick, ban
 
 -}
 
+import Internal.Api.Main as Api
 import Internal.Values.Envelope as Envelope
 import Internal.Values.Room as Internal
 import Json.Encode as E
@@ -49,6 +67,26 @@ type alias Room =
     Types.Room
 
 
+{-| Ban a user from a room.
+-}
+ban :
+    { reason : Maybe String
+    , room : Room
+    , toMsg : Types.VaultUpdate -> msg
+    , user : Types.User
+    }
+    -> Cmd msg
+ban data =
+    case ( data.room, data.user ) of
+        ( Room room, Types.User user ) ->
+            Api.banUser room
+                { reason = data.reason
+                , roomId = roomId data.room
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                , user = Envelope.getContent user
+                }
+
+
 {-| Get a piece of account data linked to a certain string key.
 -}
 getAccountData : String -> Room -> Maybe E.Value
@@ -56,6 +94,46 @@ getAccountData key (Room room) =
     Envelope.extract (Internal.getAccountData key) room
 
 
+{-| Invite a user to a room.
+-}
+invite :
+    { reason : Maybe String
+    , room : Room
+    , toMsg : Types.VaultUpdate -> msg
+    , user : Types.User
+    }
+    -> Cmd msg
+invite data =
+    case ( data.room, data.user ) of
+        ( Room room, Types.User user ) ->
+            Api.inviteUser room
+                { reason = data.reason
+                , roomId = roomId data.room
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                , user = Envelope.getContent user
+                }
+
+
+{-| Kick a user from a room.
+-}
+kick :
+    { reason : Maybe String
+    , room : Room
+    , toMsg : Types.VaultUpdate -> msg
+    , user : Types.User
+    }
+    -> Cmd msg
+kick data =
+    case ( data.room, data.user ) of
+        ( Room room, Types.User user ) ->
+            Api.kickUser room
+                { reason = data.reason
+                , roomId = roomId data.room
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                , user = Envelope.getContent user
+                }
+
+
 {-| Get a room's room id. This is an opaque string that distinguishes rooms from
 each other.
 -}
@@ -70,3 +148,67 @@ mostRecentEvents : Room -> List Types.Event
 mostRecentEvents (Room room) =
     Envelope.mapList Internal.mostRecentEvents room
         |> List.map Types.Event
+
+
+{-| Send a message event to a given room.
+-}
+sendMessageEvent :
+    { content : E.Value
+    , eventType : String
+    , room : Room
+    , toMsg : Types.VaultUpdate -> msg
+    , transactionId : String
+    }
+    -> Cmd msg
+sendMessageEvent data =
+    case data.room of
+        Room room ->
+            Api.sendMessageEvent room
+                { content = data.content
+                , eventType = data.eventType
+                , roomId = roomId data.room
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                , transactionId = data.transactionId
+                }
+
+
+{-| Send a state event to a given room.
+-}
+sendStateEvent :
+    { content : E.Value
+    , eventType : String
+    , room : Room
+    , stateKey : String
+    , toMsg : Types.VaultUpdate -> msg
+    }
+    -> Cmd msg
+sendStateEvent data =
+    case data.room of
+        Room room ->
+            Api.sendStateEvent room
+                { content = data.content
+                , eventType = data.eventType
+                , roomId = roomId data.room
+                , stateKey = data.stateKey
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                }
+
+
+{-| Set account data to a Matrix room.
+-}
+setAccountData :
+    { content : E.Value
+    , eventType : String
+    , room : Room
+    , toMsg : Types.VaultUpdate -> msg
+    }
+    -> Cmd msg
+setAccountData data =
+    case data.room of
+        Room room ->
+            Api.setRoomAccountData room
+                { content = data.content
+                , eventType = data.eventType
+                , roomId = roomId data.room
+                , toMsg = Types.VaultUpdate >> data.toMsg
+                }
diff --git a/tests/Test/Values/Context.elm b/tests/Test/Values/Context.elm
index 888287d..b9d09cf 100644
--- a/tests/Test/Values/Context.elm
+++ b/tests/Test/Values/Context.elm
@@ -8,6 +8,7 @@ import Internal.Values.Context as Context exposing (Context, Versions)
 import Set
 import Test exposing (..)
 import Test.Tools.Timestamp as TestTimestamp
+import Test.Values.User as TestUser
 
 
 fuzzer : Fuzzer Context
@@ -17,22 +18,25 @@ fuzzer =
         maybeString =
             Fuzz.maybe Fuzz.string
     in
-    Fuzz.map8 (\a b c d ( e, f ) ( g, h ) ( i, j ) ( k, l ) -> Context a b c d e f g h i j k l)
+    Fuzz.map8 (\a b c ( d, e ) ( f, g ) ( h, i ) ( j, k ) ( l, m ) -> Context a b c d e f g h i j k l m)
         (Fuzz.constant <| Hashdict.empty .value)
         maybeString
         maybeString
-        maybeString
         (Fuzz.pair
+            maybeString
             (Fuzz.maybe TestTimestamp.fuzzer)
-            maybeString
         )
         (Fuzz.pair
             maybeString
+            maybeString
+        )
+        (Fuzz.pair
             Fuzz.string
+            maybeString
         )
         (Fuzz.pair
             maybeString
-            maybeString
+            (Fuzz.maybe TestUser.fuzzer)
         )
         (Fuzz.pair
             maybeString
diff --git a/tests/Test/Values/Envelope.elm b/tests/Test/Values/Envelope.elm
index 81bb569..2f1b2fb 100644
--- a/tests/Test/Values/Envelope.elm
+++ b/tests/Test/Values/Envelope.elm
@@ -25,7 +25,7 @@ suite =
                 [ fuzz Fuzz.string
                     "currentVersion"
                     (\s ->
-                        { content = s, serverName = "" }
+                        { content = s, serverName = "", user = Nothing }
                             |> Envelope.init
                             |> Envelope.extractSettings .currentVersion
                             |> Expect.equal Default.currentVersion
@@ -33,7 +33,7 @@ suite =
                 , fuzz Fuzz.string
                     "deviceName"
                     (\s ->
-                        { content = s, serverName = "" }
+                        { content = s, serverName = "", user = Nothing }
                             |> Envelope.init
                             |> Envelope.extractSettings .deviceName
                             |> Expect.equal Default.deviceName
@@ -41,7 +41,7 @@ suite =
                 , fuzz Fuzz.string
                     "syncTime"
                     (\s ->
-                        { content = s, serverName = "" }
+                        { content = s, serverName = "", user = Nothing }
                             |> Envelope.init
                             |> Envelope.extractSettings .syncTime
                             |> Expect.equal Default.syncTime
diff --git a/tests/Test/Values/Vault.elm b/tests/Test/Values/Vault.elm
index f1c90a0..5cf1aae 100644
--- a/tests/Test/Values/Vault.elm
+++ b/tests/Test/Values/Vault.elm
@@ -7,12 +7,11 @@ import Internal.Values.Vault exposing (Vault)
 import Test exposing (..)
 import Test.Tools.Hashdict as TestHashdict
 import Test.Values.Room as TestRoom
-import Test.Values.User as TestUser
 
 
 vault : Fuzzer Vault
 vault =
-    Fuzz.map4 Vault
+    Fuzz.map3 Vault
         (Fuzz.string
             |> Fuzz.map (\k -> ( k, Json.encode Json.int 0 ))
             |> Fuzz.list
@@ -20,4 +19,3 @@ vault =
         )
         (Fuzz.maybe Fuzz.string)
         (TestHashdict.fuzzer .roomId TestRoom.fuzzer)
-        (Fuzz.maybe TestUser.fuzzer)