diff --git a/.gitignore b/.gitignore
index 7d2734e..1ea1d3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 /cmd/cmd
+/.vscode
diff --git a/internal/backend.go b/internal/backend.go
index 62778d3..5f45da0 100644
--- a/internal/backend.go
+++ b/internal/backend.go
@@ -1,10 +1,13 @@
 package internal
 
-import "github.com/nxshock/signaller/internal/models"
+import (
+	"github.com/nxshock/signaller/internal/models"
+	"github.com/nxshock/signaller/internal/models/sync"
+)
 
 type Backend interface {
 	Register(username, password, device string) (token string, error *models.ApiError)
 	Login(username, password, device string) (token string, err *models.ApiError)
 	Logout(token string) *models.ApiError
-	Sync(token string, request models.SyncRequest) (response *models.SyncReply, err *models.ApiError)
+	Sync(token string, request sync.SyncRequest) (response *sync.SyncReply, err *models.ApiError)
 }
diff --git a/internal/handlers.go b/internal/handlers.go
index 8f17045..0eee6b0 100644
--- a/internal/handlers.go
+++ b/internal/handlers.go
@@ -9,6 +9,9 @@ import (
 	"strings"
 
 	"github.com/nxshock/signaller/internal/models"
+	login "github.com/nxshock/signaller/internal/models/login"
+	register "github.com/nxshock/signaller/internal/models/register"
+	mSync "github.com/nxshock/signaller/internal/models/sync"
 )
 
 func RootHandler(w http.ResponseWriter, r *http.Request) {
@@ -50,7 +53,7 @@ func LoginHandler(w http.ResponseWriter, r *http.Request) {
 	// https://models.org/docs/spec/client_server/latest#post-models-client-r0-login
 	case "POST":
 		{
-			var request models.LoginRequest
+			var request login.LoginRequest
 			getRequest(r, &request) // TODO: handle error
 
 			// delete start "@" if presents
@@ -64,7 +67,7 @@ func LoginHandler(w http.ResponseWriter, r *http.Request) {
 				return
 			}
 
-			response := models.LoginReply{
+			response := login.LoginReply{
 				UserID:      request.Identifier.User,
 				AccessToken: token}
 
@@ -109,7 +112,7 @@ func RegisterHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var request models.RegisterRequest
+	var request register.RegisterRequest
 	getRequest(r, &request) // TODO: handle error
 
 	token, apiErr := currServer.Backend.Register(request.Username, request.Password, request.DeviceID)
@@ -118,7 +121,7 @@ func RegisterHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var response models.RegisterResponse
+	var response register.RegisterResponse
 	response.UserID = "@" + request.Username
 	response.DeviceID = request.DeviceID
 	response.AccessToken = token
@@ -128,7 +131,7 @@ func RegisterHandler(w http.ResponseWriter, r *http.Request) {
 
 // https://models.org/docs/spec/client_server/latest#get-models-client-r0-sync
 func SyncHandler(w http.ResponseWriter, r *http.Request) {
-	var request models.SyncRequest
+	var request mSync.SyncRequest
 	request.Filter = r.FormValue("filter")
 
 	timeout, err := strconv.Atoi(r.FormValue("timeout"))
@@ -148,7 +151,7 @@ func SyncHandler(w http.ResponseWriter, r *http.Request) {
 	response, _ := currServer.Backend.Sync(token, request) // TODO: handle error
 
 	response.NextBatch = "123"
-	response.Rooms = models.RoomsSyncReply{}
+	response.Rooms = mSync.RoomsSyncReply{}
 
 	sendJsonResponse(w, http.StatusOK, response)
 }
diff --git a/internal/models/common/authentication_type.go b/internal/models/common/authentication_type.go
new file mode 100644
index 0000000..7d3b0e4
--- /dev/null
+++ b/internal/models/common/authentication_type.go
@@ -0,0 +1,31 @@
+package common
+
+type AuthenticationType string
+
+// Authentication types
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#id198
+const (
+	// Password-based
+	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id199
+	AuthenticationTypePassword AuthenticationType = "m.login.password"
+
+	// Google ReCaptcha
+	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id200
+	AuthenticationTypeRecaptcha AuthenticationType = "m.login.recaptcha"
+
+	// OAuth2-based
+	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id202
+	AuthenticationTypeOauth2 AuthenticationType = "m.login.oauth2"
+
+	// Email-based (identity server)
+	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id203
+	AuthenticationTypeEmail AuthenticationType = "m.login.email.identity"
+
+	// Token-based
+	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id201
+	AuthenticationTypeToken AuthenticationType = "m.login.token"
+
+	// Dummy Auth
+	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id204
+	AuthenticationTypeDummy AuthenticationType = "m.login.dummy"
+)
diff --git a/internal/models/common/device_lists.go b/internal/models/common/device_lists.go
new file mode 100644
index 0000000..a983d27
--- /dev/null
+++ b/internal/models/common/device_lists.go
@@ -0,0 +1,6 @@
+package common
+
+type DeviceLists struct {
+	Changed []string `json:"changed"` // List of users who have updated their device identity keys, or who now share an encrypted room with the client since the previous sync response.
+	Left    []string `json:"left"`    // List of users with whom we do not share any encrypted rooms anymore since the previous sync response.
+}
diff --git a/internal/models/common/event.go b/internal/models/common/event.go
new file mode 100644
index 0000000..8fa41bc
--- /dev/null
+++ b/internal/models/common/event.go
@@ -0,0 +1,69 @@
+package common
+
+import "encoding/json"
+
+type Membership string
+
+const (
+	MembershipInvite Membership = "invite"
+	MembershipJoin   Membership = "join"
+	MembershipKnock  Membership = "knock"
+	MembershipLeave  Membership = "leave"
+	MembershipBan    Membership = "ban"
+)
+
+type Event struct {
+	// TODO: object
+	Content json.RawMessage `json:"content"` // Required. The fields in this object will vary depending on the type of event. When interacting with the REST API, this is the HTTP body.
+	Type    string          `json:"type"`    // Required. The type of event. This SHOULD be namespaced similar to Java package naming conventions e.g. 'com.example.subdomain.event.type'
+}
+
+type EventContent struct {
+	AvatarURL string `json:"avatar_url"` // The avatar URL for this user, if any. This is added by the homeserver.
+	// TODO: string or null
+	DisplayName      string       `json:"displayname"`        // The display name for this user, if any. This is added by the homeserver.
+	Membership       Membership   `json:"membership"`         // Required. The membership state of the user. One of: ["invite", "join", "knock", "leave", "ban"]
+	IsDirect         bool         `json:"is_direct"`          // Flag indicating if the room containing this event was created with the intention of being a direct chat. See Direct Messaging.
+	ThirdPartyInvite Invite       `json:"third_party_invite"` //
+	Unsigned         UnsignedData `json:"unsigned"`           // Contains optional extra information about the event.
+}
+
+type StateEvent struct {
+	// TODO: object?
+	Content        json.RawMessage `json:"content"`          // Required. The fields in this object will vary depending on the type of event. When interacting with the REST API, this is the HTTP body.
+	Type           string          `json:"type"`             // Required. The type of event. This SHOULD be namespaced similar to Java package naming conventions e.g. 'com.example.subdomain.event.type'
+	EventID        string          `json:"event_id"`         // Required. The globally unique event identifier.
+	Sender         string          `json:"sender"`           // Required. Contains the fully-qualified ID of the user who sent this event.
+	OriginServerTs int             `json:"origin_server_ts"` // Required. Timestamp in milliseconds on originating homeserver when this event was sent.
+	Unsigned       UnsignedData    `json:"unsigned"`         // Contains optional extra information about the event.
+	PrevContent    EventContent    `json:"prev_content"`     // Optional. The previous content for this event. If there is no previous content, this key will be missing.
+	StateKey       string          `json:"state_key"`        // Required. A unique key which defines the overwriting semantics for this piece of room state. This value is often a zero-length string. The presence of this key makes this event a State Event. State keys starting with an @ are reserved for referencing user IDs, such as room members. With the exception of a few events, state events set with a given user's ID as the state key MUST only be set by that user.
+}
+
+type signed struct {
+	Mxid string `json:"mxid"` // Required. The invited matrix user ID. Must be equal to the user_id property of the event.
+	// TODO:
+	// Signatures Signatures `json:"signatures"` // Required. A single signature from the verifying server, in the format specified by the Signing Events section of the server-server API.
+	Token string `json:"token"` // Required. The token property of the containing third_party_invite object.
+}
+
+type State struct {
+	events []StateEvent `json:"events"` // List of events.
+}
+
+type Invite struct {
+	DisplayName string `json:"display_name"` // Required. A name which can be displayed to represent the user instead of their third party identifier
+	Signed      signed `json:"signed"`       // Required. A block of content which has been signed, which servers can use to verify the event. Clients should ignore this.
+}
+
+type Ephemeral struct {
+	Events []Event `json:"events"` // List of events.
+}
+
+type StrippedState struct {
+	// TODO: в документации EventContent, хотя вроде сервер выдаёт json.RawMessage
+	Content  json.RawMessage `json:"content"`   // Required. The content for the event.
+	StateKey string          `json:"state_key"` // Required. The state_key for the event.
+	Type     string          `json:"type"`      // Required. The type for the event.
+	Sender   string          `json:"sender"`    // Required. The sender for the event.
+}
diff --git a/internal/models/types.go b/internal/models/common/member_event.go
similarity index 68%
rename from internal/models/types.go
rename to internal/models/common/member_event.go
index 7a2335a..08d8a27 100644
--- a/internal/models/types.go
+++ b/internal/models/common/member_event.go
@@ -1,20 +1,4 @@
-package models
-
-type MRelatesTo struct {
-	InReplyTo MInReplyTo `json:"m.in_reply_to"`
-}
-
-type MInReplyTo struct {
-	EventID string `json:"event_id"`
-}
-
-// Invite3pid represents third party IDs to invite into the room
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-createroom
-type Invite3pid struct {
-	IDServer string `json:"id_server"` // Required. The hostname+port of the identity server which should be used for third party identifier lookups.
-	Medium   string `json:"medium"`    // Required. The kind of address being passed in the address field, for example email.
-	Address  string `json:"address"`   // Required. The invitee's third party identifier.
-}
+package common
 
 // https://matrix.org/docs/spec/client_server/r0.4.0.html#get-matrix-client-r0-rooms-roomid-members
 type MemberEvent struct {
diff --git a/internal/models/common/message_type.go b/internal/models/common/message_type.go
new file mode 100644
index 0000000..a5776c8
--- /dev/null
+++ b/internal/models/common/message_type.go
@@ -0,0 +1,15 @@
+package common
+
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#m-room-message-msgtypes
+type MessageType string
+
+const (
+	MessageTypeText     MessageType = "m.text"     // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-text
+	MessageTypeEmote    MessageType = "m.emote"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-emote
+	MessageTypeNotice   MessageType = "m.notice"   // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-notice
+	MessageTypeImage    MessageType = "m.image"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-image
+	MessageTypeFile     MessageType = "m.file"     // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-file
+	MessageTypeVideo    MessageType = "m.video"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-video
+	MessageTypeAudio    MessageType = "m.audio"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-audio
+	MessageTypeLocation MessageType = "m.location" // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-location
+)
diff --git a/internal/models/common/presence.go b/internal/models/common/presence.go
new file mode 100644
index 0000000..0ec0e42
--- /dev/null
+++ b/internal/models/common/presence.go
@@ -0,0 +1,5 @@
+package common
+
+type Presence struct {
+	events []Event `json:"events"` // List of events.
+}
diff --git a/internal/models/common/room_event.go b/internal/models/common/room_event.go
new file mode 100644
index 0000000..a0c128a
--- /dev/null
+++ b/internal/models/common/room_event.go
@@ -0,0 +1,50 @@
+package common
+
+import "encoding/json"
+
+type Timeline struct {
+	Events    []RoomEvent `json:"events"`     // List of events.
+	Limited   bool        `json:"limited"`    // True if the number of events returned was limited by the limit on the filter.
+	PrevBatch string      `json:"prev_batch"` // A token that can be supplied to the from parameter of the rooms/{roomId}/messages endpoint.
+}
+
+type RoomEvent struct {
+	// TODO: object
+	Content        json.RawMessage `json:"content"`          // Required. The fields in this object will vary depending on the type of event. When interacting with the REST API, this is the HTTP body.
+	Type           string          `json:"type"`             // Required. The type of event. This SHOULD be namespaced similar to Java package naming conventions e.g. 'com.example.subdomain.event.type'
+	EventID        string          `json:"event_id"`         // Required. The globally unique event identifier.
+	Sender         string          `json:"sender"`           // Required. Contains the fully-qualified ID of the user who sent this event.
+	OriginServerTs int64           `json:"origin_server_ts"` // Required. Timestamp in milliseconds on originating homeserver when this event was sent.
+	Unsigned       UnsignedData    `json:"unsigned"`         // Contains optional extra information about the event.
+}
+
+type JoinedRoom struct {
+	State               State                    `json:"state"`                // Updates to the state, between the time indicated by the since parameter, and the start of the timeline (or all state up to the start of the timeline, if since is not given, or full_state is true).
+	Timeline            Timeline                 `json:"timeline"`             // The timeline of messages and state changes in the room.
+	Ephemeral           Ephemeral                `json:"ephemeral"`            // The ephemeral events in the room that aren't recorded in the timeline or state of the room. e.g. typing.
+	AccountData         AccountData              `json:"account_data"`         // The private data that this user has attached to this room.
+	UnreadNotifications UnreadNotificationCounts `json:"unread_notifications"` // Counts of unread notifications for this room
+}
+
+type AccountData struct {
+	Events []Event `json:"events"` // List of events.
+}
+
+type UnreadNotificationCounts struct {
+	HighlightCount    int `json:"highlight_count"`    // The number of unread notifications for this room with the highlight flag set
+	NotificationCount int `json:"notification_count"` // The total number of unread notifications for this room
+}
+
+type LeftRoom struct {
+	State       State       `json:"state"`        // The state updates for the room up to the start of the timeline.
+	Timeline    Timeline    `json:"timeline"`     // The timeline of messages and state changes in the room up to the point when the user left.
+	AccountData AccountData `json:"account_data"` // The private data that this user has attached to this room.
+}
+
+type InvitedRoom struct {
+	InviteState InviteState `json:"invite_state"` // The state of a room that the user has been invited to. These state events may only have the sender, type, state_key and content keys present. These events do not replace any state that the client already has for the room, for example if the client has archived the room. Instead the client should keep two separate copies of the state: the one from the invite_state and one from the archived state. If the client joins the room then the current state will be given as a delta against the archived state not the invite_state.
+}
+
+type InviteState struct {
+	Events []StrippedState `json:"events"` // The StrippedState events that form the invite state.
+}
diff --git a/internal/models/common/to_device.go b/internal/models/common/to_device.go
new file mode 100644
index 0000000..ef288be
--- /dev/null
+++ b/internal/models/common/to_device.go
@@ -0,0 +1,6 @@
+package common
+
+// TODO: проверить правильность выбора типа
+type ToDevice struct {
+	events []Event `json:"events` // List of send-to-device messages
+}
diff --git a/internal/models/common/unsigned_data.go b/internal/models/common/unsigned_data.go
new file mode 100644
index 0000000..6234fe9
--- /dev/null
+++ b/internal/models/common/unsigned_data.go
@@ -0,0 +1,7 @@
+package common
+
+type UnsignedData struct {
+	Age             int    `json:"age"`              // The time in milliseconds that has elapsed since the event was sent. This field is generated by the local homeserver, and may be incorrect if the local time on at least one of the two servers is out of sync, which can cause the age to either be negative or greater than it actually is.
+	RedactedBecause Event  `json:"redacted_because"` // Optional. The event that redacted this event, if any.
+	TransactionID   string `json:"transaction_id"`   // The client-supplied transaction ID, if the client being given the event is the same one which sent it.
+}
diff --git a/internal/models/common/user_identifier.go b/internal/models/common/user_identifier.go
new file mode 100644
index 0000000..7bf9397
--- /dev/null
+++ b/internal/models/common/user_identifier.go
@@ -0,0 +1,21 @@
+package common
+
+// UserIdentifier represents user identifier object
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-login
+type UserIdentifier struct {
+	Type    IdentifierType `json:"type"`              // Required. The type of identification. See Identifier types for supported values and additional property descriptions.
+	User    string         `json:"user,omitempty"`    // The fully qualified user ID or just local part of the user ID, to log in.
+	Medium  string         `json:"medium,omitempty"`  // When logging in using a third party identifier, the medium of the identifier. Must be 'email'.
+	Address string         `json:"address,omitempty"` // Third party identifier for the user.
+	Country string         `json:"country,omitempty"`
+	Phone   string         `json:"phone,omitempty"`
+}
+
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#id207
+type IdentifierType string
+
+const (
+	IdentifierTypeUser       IdentifierType = "m.id.user"       // https://matrix.org/docs/spec/client_server/r0.4.0.html#id208
+	IdentifierTypeThirdparty IdentifierType = "m.id.thirdparty" // https://matrix.org/docs/spec/client_server/r0.4.0.html#id209
+	IdentifierTypePhone      IdentifierType = "m.id.phone"      // https://matrix.org/docs/spec/client_server/r0.4.0.html#id210
+)
diff --git a/internal/models/createroom/reply.go b/internal/models/createroom/reply.go
new file mode 100644
index 0000000..20960a1
--- /dev/null
+++ b/internal/models/createroom/reply.go
@@ -0,0 +1,5 @@
+package createroom
+
+type CreateRoomReply struct {
+	RoomID string `json:"room_id"`
+}
diff --git a/internal/models/createroom/request.go b/internal/models/createroom/request.go
new file mode 100644
index 0000000..3f36774
--- /dev/null
+++ b/internal/models/createroom/request.go
@@ -0,0 +1,38 @@
+package createroom
+
+import (
+	common "github.com/nxshock/signaller/internal/models/common"
+)
+
+type VisibilityType string
+
+const (
+	VisibilityTypePrivate = "private"
+	VisibilityTypePublic  = "public"
+)
+
+// Invite3pid represents third party IDs to invite into the room
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-createroom
+type Invite3pid struct {
+	IDServer string `json:"id_server"` // Required. The hostname+port of the identity server which should be used for third party identifier lookups.
+	Medium   string `json:"medium"`    // Required. The kind of address being passed in the address field, for example email.
+	Address  string `json:"address"`   // Required. The invitee's third party identifier.
+}
+
+// CreateRoomRequest represents room creation request
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-createroom
+type CreateRoomRequest struct {
+	Visibility    VisibilityType `json:"visibility,omitempty"`
+	RoomAliasName string         `json:"room_alias_name,omitempty"`
+	Name          string         `json:"name,omitempty"`
+	Topic         string         `json:"topic,omitempty"`
+	Invite        []string       `json:"invite,omitempty"`
+	Invite3pids   []Invite3pid   `json:"invite_3pid,omitempty"`
+	RoomVersion   string         `json:"room_version,omitempty"`
+	// TODO: проверить тип
+	// CreationContent CreationContentType `json:"creation_content,omitempty"`
+	InitialState []common.StateEvent `json:"initial_state,omitempty"`
+	Preset       string              `json:"preset,omitempty"` // TODO: проверить тип
+	IsDirect     bool                `json:"is_direct,omitempty"`
+	// PowerLevelContentOverride `json:"power_level_content_override"`
+}
diff --git a/internal/models/enums.go b/internal/models/enums.go
index 9dcd48c..c072ec8 100644
--- a/internal/models/enums.go
+++ b/internal/models/enums.go
@@ -1,86 +1,5 @@
 package models
 
-type Membership string
-
-const (
-	MembershipInvite Membership = "invite"
-	MembershipJoin   Membership = "join"
-	MembershipKnock  Membership = "knock"
-	MembershipLeave  Membership = "leave"
-	MembershipBan    Membership = "ban"
-)
-
-type SetPresence string
-
-const (
-	SetPresenceOffline     SetPresence = "offline"
-	SetPresenceOnline      SetPresence = "online"
-	SetPresenceUnavailable SetPresence = "unavailable"
-)
-
-type JoinRule string
-
-const (
-	JoinRulePublic  JoinRule = "public"
-	JoinRuleKnock   JoinRule = "knock"
-	JoinRuleInvite  JoinRule = "invite"
-	JoinRulePrivate JoinRule = "private"
-)
-
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#m-room-message-msgtypes
-type MessageType string
-
-const (
-	MessageTypeText     MessageType = "m.text"     // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-text
-	MessageTypeEmote    MessageType = "m.emote"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-emote
-	MessageTypeNotice   MessageType = "m.notice"   // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-notice
-	MessageTypeImage    MessageType = "m.image"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-image
-	MessageTypeFile     MessageType = "m.file"     // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-file
-	MessageTypeVideo    MessageType = "m.video"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-video
-	MessageTypeAudio    MessageType = "m.audio"    // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-audio
-	MessageTypeLocation MessageType = "m.location" // https://matrix.org/docs/spec/client_server/r0.4.0.html#m-location
-
-)
-
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#id207
-type IdentifierType string
-
-const (
-	IdentifierTypeUser       IdentifierType = "m.id.user"       // https://matrix.org/docs/spec/client_server/r0.4.0.html#id208
-	IdentifierTypeThirdparty IdentifierType = "m.id.thirdparty" // https://matrix.org/docs/spec/client_server/r0.4.0.html#id209
-	IdentifierTypePhone      IdentifierType = "m.id.phone"      // https://matrix.org/docs/spec/client_server/r0.4.0.html#id210
-)
-
-// Authentication types
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#id198
-type AuthenticationType string
-
-const (
-	// Password-based
-	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id199
-	AuthenticationTypePassword AuthenticationType = "m.login.password"
-
-	// Google ReCaptcha
-	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id200
-	AuthenticationTypeRecaptcha AuthenticationType = "m.login.recaptcha"
-
-	// OAuth2-based
-	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id202
-	AuthenticationTypeOauth2 AuthenticationType = "m.login.oauth2"
-
-	// Email-based (identity server)
-	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id203
-	AuthenticationTypeEmail AuthenticationType = "m.login.email.identity"
-
-	// Token-based
-	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id201
-	AuthenticationTypeToken AuthenticationType = "m.login.token"
-
-	// Dummy Auth
-	// https://matrix.org/docs/spec/client_server/r0.4.0.html#id204
-	AuthenticationTypeDummy AuthenticationType = "m.login.dummy"
-)
-
 type VisibilityType string
 
 const (
diff --git a/internal/models/joinroom/reply.go b/internal/models/joinroom/reply.go
new file mode 100644
index 0000000..23c87e7
--- /dev/null
+++ b/internal/models/joinroom/reply.go
@@ -0,0 +1,6 @@
+package joinroom
+
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#id276
+type JoinRoomReply struct {
+	RoomID string `json:"room_id"` // The joined room ID must be returned in the room_id field.
+}
diff --git a/internal/models/login/get_login_flows.go b/internal/models/login/get_login_flows.go
new file mode 100644
index 0000000..db8a7bd
--- /dev/null
+++ b/internal/models/login/get_login_flows.go
@@ -0,0 +1,5 @@
+package login
+
+type GetLoginReply struct {
+	Flows []Flow `json:"flows"` // The homeserver's supported login types
+}
diff --git a/internal/models/login/reply.go b/internal/models/login/reply.go
new file mode 100644
index 0000000..8a0e61f
--- /dev/null
+++ b/internal/models/login/reply.go
@@ -0,0 +1,15 @@
+package login
+
+import (
+	common "github.com/nxshock/signaller/internal/models/common"
+)
+
+type LoginReply struct {
+	AccessToken string `json:"access_token"`
+	HomeServer  string `json:"home_server,omitempty"` // TODO: check api
+	UserID      string `json:"user_id"`
+}
+
+type Flow struct {
+	Type common.AuthenticationType `json:"type"`
+}
diff --git a/internal/models/login/request.go b/internal/models/login/request.go
new file mode 100644
index 0000000..b8360e0
--- /dev/null
+++ b/internal/models/login/request.go
@@ -0,0 +1,16 @@
+package login
+
+import (
+	common "github.com/nxshock/signaller/internal/models/common"
+)
+
+// LoginRequest represents login request
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-login
+type LoginRequest struct {
+	Type                     common.AuthenticationType `json:"type"`                                  // Required. The login type being used. One of: ["m.login.password", "m.login.token"]
+	Identifier               common.UserIdentifier     `json:"identifier"`                            // Identification information for the user.
+	Password                 string                    `json:"password,omitempty"`                    // Required when type is m.login.password. The user's password.
+	Token                    string                    `json:"token,omitempty"`                       // Required when type is m.login.token. Part of Token-based login.
+	DeviceID                 string                    `json:"device_id,omitempty"`                   // ID of the client device. If this does not correspond to a known client device, a new device will be created. The server will auto-generate a device_id if this is not specified.
+	InitialDeviceDisplayName string                    `json:"initial_device_display_name,omitempty"` // A display name to assign to the newly-created device. Ignored if device_id corresponds to a known device.
+}
diff --git a/internal/models/register/reply.go b/internal/models/register/reply.go
new file mode 100644
index 0000000..f691cdf
--- /dev/null
+++ b/internal/models/register/reply.go
@@ -0,0 +1,8 @@
+package register
+
+// https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-register
+type RegisterResponse struct {
+	UserID      string `json:"user_id"`                // Required. The fully-qualified Matrix user ID (MXID) that has been registered. Any user ID returned by this API must conform to the grammar given in the Matrix specification.
+	AccessToken string `json:"access_token,omitempty"` // An access token for the account. This access token can then be used to authorize other requests. Required if the inhibit_login option is false.
+	DeviceID    string `json:"device_id,omitempty"`    // ID of the registered device. Will be the same as the corresponding parameter in the request, if one was specified. Required if the inhibit_login option is false.
+}
diff --git a/internal/models/register/request.go b/internal/models/register/request.go
new file mode 100644
index 0000000..3e17941
--- /dev/null
+++ b/internal/models/register/request.go
@@ -0,0 +1,20 @@
+package register
+
+// https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-register
+type RegisterRequest struct {
+	Auth                     AuthenticationData `json:"auth"`                        // Additional authentication information for the user-interactive authentication API. Note that this information is not used to define how the registered user should be authenticated, but is instead used to authenticate the register call itself.
+	BindEmail                bool               `json:"bind_email"`                  // If true, the server binds the email used for authentication to the Matrix ID with the identity server.
+	BindMsisdn               bool               `json:"bind_msisdn"`                 // If true, the server binds the phone number used for authentication to the Matrix ID with the identity server.
+	Username                 string             `json:"username"`                    // The basis for the localpart of the desired Matrix ID. If omitted, the homeserver MUST generate a Matrix ID local part.
+	Password                 string             `json:"password"`                    // The desired password for the account.
+	DeviceID                 string             `json:"device_id"`                   // ID of the client device. If this does not correspond to a known client device, a new device will be created. The server will auto-generate a device_id if this is not specified.
+	InitialDeviceDisplayName string             `json:"initial_device_display_name"` // A display name to assign to the newly-created device. Ignored if device_id corresponds to a known device.
+	InhibitLogin             bool               `json:"inhibit_login"`               // If true, an access_token and device_id should not be returned from this call, therefore preventing an automatic login. Defaults to false.
+
+}
+
+// https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-register
+type AuthenticationData struct {
+	Type    string `json:"type"`              // Required. The login type that the client is attempting to complete.
+	Session string `json:"session,omitempty"` // The value of the session key given by the homeserver.
+}
diff --git a/internal/models/replies.go b/internal/models/replies.go
index b35c232..25489ac 100644
--- a/internal/models/replies.go
+++ b/internal/models/replies.go
@@ -1,50 +1,8 @@
 package models
 
-type JoinedRoomReply struct {
-	JoinedRooms []string `json:"joined_rooms"`
-}
-
-// SendMessageReply represents reply for send message command
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#put-matrix-client-r0-rooms-roomid-state-eventtype-statekey
-type SendMessageReply struct {
-	EventID string `json:"event_id"` // A unique identifier for the event.
-}
-
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-createroom
-type CreateRoomReply struct {
-	RoomID string `json:"room_id"` // Information about the newly created room.
-}
-
-type GetLoginReply struct {
-	Flows []Flow // The homeserver's supported login types
-}
-
-type LoginReply struct {
-	AccessToken string `json:"access_token"`
-	HomeServer  string `json:"home_server,omitempty"` // TODO: check api
-	UserID      string `json:"user_id"`
-}
-
-type SyncReply struct {
-	NextBatch              string         `json:"next_batch"`                 // Required. The batch token to supply in the since param of the next /sync request.
-	Rooms                  RoomsSyncReply `json:"rooms"`                      // Updates to rooms.
-	Presence               Presence       `json:"presence"`                   // The updates to the presence status of other users.
-	AccountData            AccountData    `json:"account_data"`               // The global private data created by this user.
-	ToDevice               ToDevice       `json:"to_device"`                  // Information on the send-to-device messages for the client device, as defined in Send-to-Device messaging.
-	DeviceLists            DeviceLists    `json:"device_lists"`               // Information on end-to-end device updates, as specified in End-to-end encryption.
-	DeviceOneTimeKeysCount map[string]int `json:"device_one_time_keys_count"` // Information on end-to-end encryption keys, as specified in End-to-end encryption.
-}
-
-type RoomsSyncReply struct {
-	Join   map[string]JoinedRoom  `json:"join"`   // The rooms that the user has joined.
-	Invite map[string]InvitedRoom `json:"invite"` // The rooms that the user has been invited to.
-	Leave  map[string]LeftRoom    `json:"leave"`  // The rooms that the user has left or been banned from.
-}
-
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#id276
-type JoinRoomReply struct {
-	RoomID string `json:"room_id"` // The joined room ID must be returned in the room_id field.
-}
+import (
+	common "github.com/nxshock/signaller/internal/models/common"
+)
 
 // https://matrix.org/docs/spec/client_server/r0.4.0.html#get-matrix-client-versions
 type VersionsReply struct {
@@ -59,12 +17,5 @@ type WhoAmIReply struct {
 
 // https://matrix.org/docs/spec/client_server/r0.4.0.html#get-matrix-client-r0-rooms-roomid-members
 type MembersReply struct {
-	Chunk []MemberEvent `json:"chunk"`
-}
-
-// https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-register
-type RegisterResponse struct {
-	UserID      string `json:"user_id"`                // Required. The fully-qualified Matrix user ID (MXID) that has been registered. Any user ID returned by this API must conform to the grammar given in the Matrix specification.
-	AccessToken string `json:"access_token,omitempty"` // An access token for the account. This access token can then be used to authorize other requests. Required if the inhibit_login option is false.
-	DeviceID    string `json:"device_id,omitempty"`    // ID of the registered device. Will be the same as the corresponding parameter in the request, if one was specified. Required if the inhibit_login option is false.
+	Chunk []common.MemberEvent `json:"chunk"`
 }
diff --git a/internal/models/requests.go b/internal/models/requests.go
deleted file mode 100644
index fa7c756..0000000
--- a/internal/models/requests.go
+++ /dev/null
@@ -1,66 +0,0 @@
-package models
-
-// LoginRequest represents login request
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-login
-type LoginRequest struct {
-	Type                     AuthenticationType `json:"type"`                                  // Required. The login type being used. One of: ["m.login.password", "m.login.token"]
-	Identifier               UserIdentifier     `json:"identifier"`                            // Identification information for the user.
-	Password                 string             `json:"password,omitempty"`                    // Required when type is m.login.password. The user's password.
-	Token                    string             `json:"token,omitempty"`                       // Required when type is m.login.token. Part of Token-based login.
-	DeviceID                 string             `json:"device_id,omitempty"`                   // ID of the client device. If this does not correspond to a known client device, a new device will be created. The server will auto-generate a device_id if this is not specified.
-	InitialDeviceDisplayName string             `json:"initial_device_display_name,omitempty"` // A display name to assign to the newly-created device. Ignored if device_id corresponds to a known device.
-}
-
-// UserIdentifier represents user identifier object
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-login
-type UserIdentifier struct {
-	Type    IdentifierType `json:"type"`              // Required. The type of identification. See Identifier types for supported values and additional property descriptions.
-	User    string         `json:"user,omitempty"`    // The fully qualified user ID or just local part of the user ID, to log in.
-	Medium  string         `json:"medium,omitempty"`  // When logging in using a third party identifier, the medium of the identifier. Must be 'email'.
-	Address string         `json:"address,omitempty"` // Third party identifier for the user.
-	Country string         `json:"country,omitempty"`
-	Phone   string         `json:"phone,omitempty"`
-}
-
-// CreateRoomRequest represents room creation request
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#post-matrix-client-r0-createroom
-type CreateRoomRequest struct {
-	Visibility    VisibilityType `json:"visibility,omitempty"`
-	RoomAliasName string         `json:"room_alias_name,omitempty"`
-	Name          string         `json:"name,omitempty"`
-	Topic         string         `json:"topic,omitempty"`
-	Invite        []string       `json:"invite,omitempty"`
-	Invite3pids   []Invite3pid   `json:"invite_3pid,omitempty"`
-	RoomVersion   string         `json:"room_version,omitempty"`
-	// TODO: проверить тип
-	// CreationContent CreationContentType `json:"creation_content,omitempty"`
-	InitialState []StateEvent `json:"initial_state,omitempty"`
-	Preset       string       `json:"preset,omitempty"` // TODO: проверить тип
-	IsDirect     bool         `json:"is_direct,omitempty"`
-	// PowerLevelContentOverride `json:"power_level_content_override"`
-}
-
-type SendMessageRequest struct {
-	Body        string      `json:"body"`    // Required. The textual representation of this message.
-	MessageType MessageType `json:"msgtype"` // Required. The type of message, e.g. m.image, m.text
-	RelatesTo   MRelatesTo  `json:"m.relates_to,omitempty"`
-}
-
-// https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-register
-type RegisterRequest struct {
-	Auth                     AuthenticationData `json:"auth"`                        // Additional authentication information for the user-interactive authentication API. Note that this information is not used to define how the registered user should be authenticated, but is instead used to authenticate the register call itself.
-	BindEmail                bool               `json:"bind_email"`                  // If true, the server binds the email used for authentication to the Matrix ID with the identity server.
-	BindMsisdn               bool               `json:"bind_msisdn"`                 // If true, the server binds the phone number used for authentication to the Matrix ID with the identity server.
-	Username                 string             `json:"username"`                    // The basis for the localpart of the desired Matrix ID. If omitted, the homeserver MUST generate a Matrix ID local part.
-	Password                 string             `json:"password"`                    // The desired password for the account.
-	DeviceID                 string             `json:"device_id"`                   // ID of the client device. If this does not correspond to a known client device, a new device will be created. The server will auto-generate a device_id if this is not specified.
-	InitialDeviceDisplayName string             `json:"initial_device_display_name"` // A display name to assign to the newly-created device. Ignored if device_id corresponds to a known device.
-	InhibitLogin             bool               `json:"inhibit_login"`               // If true, an access_token and device_id should not be returned from this call, therefore preventing an automatic login. Defaults to false.
-
-}
-
-// https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-register
-type AuthenticationData struct {
-	Type    string `json:"type"`              // Required. The login type that the client is attempting to complete.
-	Session string `json:"session,omitempty"` // The value of the session key given by the homeserver.
-}
diff --git a/internal/models/sendmessage/reply.go b/internal/models/sendmessage/reply.go
new file mode 100644
index 0000000..09a6100
--- /dev/null
+++ b/internal/models/sendmessage/reply.go
@@ -0,0 +1,7 @@
+package sendmessage
+
+// SendMessageReply represents reply for send message command
+// https://matrix.org/docs/spec/client_server/r0.4.0.html#put-matrix-client-r0-rooms-roomid-state-eventtype-statekey
+type SendMessageReply struct {
+	EventID string `json:"event_id"` // A unique identifier for the event.
+}
diff --git a/internal/models/sendmessage/request.go b/internal/models/sendmessage/request.go
new file mode 100644
index 0000000..ead9d15
--- /dev/null
+++ b/internal/models/sendmessage/request.go
@@ -0,0 +1,19 @@
+package sendmessage
+
+import (
+	common "github.com/nxshock/signaller/internal/models/common"
+)
+
+type SendMessageRequest struct {
+	Body        string             `json:"body"`    // Required. The textual representation of this message.
+	MessageType common.MessageType `json:"msgtype"` // Required. The type of message, e.g. m.image, m.text
+	RelatesTo   MRelatesTo         `json:"m.relates_to,omitempty"`
+}
+
+type MRelatesTo struct {
+	InReplyTo MInReplyTo `json:"m.in_reply_to"`
+}
+
+type MInReplyTo struct {
+	EventID string `json:"event_id"`
+}
diff --git a/internal/models/sync.go b/internal/models/sync.go
deleted file mode 100644
index f1670ad..0000000
--- a/internal/models/sync.go
+++ /dev/null
@@ -1,141 +0,0 @@
-package models
-
-import (
-	"encoding/json"
-)
-
-// https://matrix.org/docs/spec/client_server/r0.4.0.html#id242
-type SyncRequest struct {
-	Filter      string      `url:"filter,omitempty"`       // The ID of a filter created using the filter API or a filter JSON object encoded as a string. The server will detect whether it is an ID or a JSON object by whether the first character is a "{" open brace. Passing the JSON inline is best suited to one off requests. Creating a filter using the filter API is recommended for clients that reuse the same filter multiple times, for example in long poll requests.
-	Since       string      `url:"since,omitempty"`        // A point in time to continue a sync from.
-	FullState   bool        `url:"full_state,omitempty"`   // Controls whether to include the full state for all rooms the user is a member of.
-	SetPresence SetPresence `url:"set_presence,omitempty"` // Controls whether the client is automatically marked as online by polling this API. If this parameter is omitted then the client is automatically marked as online when it uses this API. Otherwise if the parameter is set to "offline" then the client is not marked as being online when it uses this API. When set to "unavailable", the client is marked as being idle. One of: ["offline", "online", "unavailable"]
-	Timeout     int         `url:"timeout,omitempty"`      // The maximum time to wait, in milliseconds, before returning this request. If no events (or other data) become available before this time elapses, the server will return a response with empty fields.
-}
-
-type JoinedRoom struct {
-	State               State                    `json:"state"`                // Updates to the state, between the time indicated by the since parameter, and the start of the timeline (or all state up to the start of the timeline, if since is not given, or full_state is true).
-	Timeline            Timeline                 `json:"timeline"`             // The timeline of messages and state changes in the room.
-	Ephemeral           Ephemeral                `json:"ephemeral"`            // The ephemeral events in the room that aren't recorded in the timeline or state of the room. e.g. typing.
-	AccountData         AccountData              `json:"account_data"`         // The private data that this user has attached to this room.
-	UnreadNotifications UnreadNotificationCounts `json:"unread_notifications"` // Counts of unread notifications for this room
-}
-
-type Ephemeral struct {
-	Events []Event `json:"events"` // List of events.
-}
-
-type UnreadNotificationCounts struct {
-	HighlightCount    int `json:"highlight_count"`    // The number of unread notifications for this room with the highlight flag set
-	NotificationCount int `json:"notification_count"` // The total number of unread notifications for this room
-}
-
-type InvitedRoom struct {
-	InviteState InviteState `json:"invite_state"` // The state of a room that the user has been invited to. These state events may only have the sender, type, state_key and content keys present. These events do not replace any state that the client already has for the room, for example if the client has archived the room. Instead the client should keep two separate copies of the state: the one from the invite_state and one from the archived state. If the client joins the room then the current state will be given as a delta against the archived state not the invite_state.
-}
-
-type InviteState struct {
-	Events []StrippedState `json:"events"` // The StrippedState events that form the invite state.
-}
-
-type StrippedState struct {
-	// TODO: в документации EventContent, хотя вроде сервер выдаёт json.RawMessage
-	Content  json.RawMessage `json:"content"`   // Required. The content for the event.
-	StateKey string          `json:"state_key"` // Required. The state_key for the event.
-	Type     string          `json:"type"`      // Required. The type for the event.
-	Sender   string          `json:"sender"`    // Required. The sender for the event.
-}
-
-type LeftRoom struct {
-	State       State       `json:"state"`        // The state updates for the room up to the start of the timeline.
-	Timeline    Timeline    `json:"timeline"`     // The timeline of messages and state changes in the room up to the point when the user left.
-	AccountData AccountData `json:"account_data"` // The private data that this user has attached to this room.
-}
-
-type State struct {
-	events []StateEvent `json:"events"` // List of events.
-}
-
-type StateEvent struct {
-	// TODO: object?
-	Content        json.RawMessage `json:"content"`          // Required. The fields in this object will vary depending on the type of event. When interacting with the REST API, this is the HTTP body.
-	Type           string          `json:"type"`             // Required. The type of event. This SHOULD be namespaced similar to Java package naming conventions e.g. 'com.example.subdomain.event.type'
-	EventID        string          `json:"event_id"`         // Required. The globally unique event identifier.
-	Sender         string          `json:"sender"`           // Required. Contains the fully-qualified ID of the user who sent this event.
-	OriginServerTs int             `json:"origin_server_ts"` // Required. Timestamp in milliseconds on originating homeserver when this event was sent.
-	Unsigned       UnsignedData    `json:"unsigned"`         // Contains optional extra information about the event.
-	PrevContent    EventContent    `json:"prev_content"`     // Optional. The previous content for this event. If there is no previous content, this key will be missing.
-	StateKey       string          `json:"state_key"`        // Required. A unique key which defines the overwriting semantics for this piece of room state. This value is often a zero-length string. The presence of this key makes this event a State Event. State keys starting with an @ are reserved for referencing user IDs, such as room members. With the exception of a few events, state events set with a given user's ID as the state key MUST only be set by that user.
-}
-
-type Timeline struct {
-	Events    []RoomEvent `json:"events"`     // List of events.
-	Limited   bool        `json:"limited"`    // True if the number of events returned was limited by the limit on the filter.
-	PrevBatch string      `json:"prev_batch"` // A token that can be supplied to the from parameter of the rooms/{roomId}/messages endpoint.
-}
-
-type RoomEvent struct {
-	// TODO: object
-	Content        json.RawMessage `json:"content"`          // Required. The fields in this object will vary depending on the type of event. When interacting with the REST API, this is the HTTP body.
-	Type           string          `json:"type"`             // Required. The type of event. This SHOULD be namespaced similar to Java package naming conventions e.g. 'com.example.subdomain.event.type'
-	EventID        string          `json:"event_id"`         // Required. The globally unique event identifier.
-	Sender         string          `json:"sender"`           // Required. Contains the fully-qualified ID of the user who sent this event.
-	OriginServerTs int64           `json:"origin_server_ts"` // Required. Timestamp in milliseconds on originating homeserver when this event was sent.
-	Unsigned       UnsignedData    `json:"unsigned"`         // Contains optional extra information about the event.
-}
-
-type UnsignedData struct {
-	Age             int    `json:"age"`              // The time in milliseconds that has elapsed since the event was sent. This field is generated by the local homeserver, and may be incorrect if the local time on at least one of the two servers is out of sync, which can cause the age to either be negative or greater than it actually is.
-	RedactedBecause Event  `json:"redacted_because"` // Optional. The event that redacted this event, if any.
-	TransactionID   string `json:"transaction_id"`   // The client-supplied transaction ID, if the client being given the event is the same one which sent it.
-}
-
-type Presence struct {
-	events []Event `json:"events"` // List of events.
-}
-
-type AccountData struct {
-	Events []Event `json:"events"` // List of events.
-}
-
-type Event struct {
-	// TODO: object
-	Content json.RawMessage `json:"content"` // Required. The fields in this object will vary depending on the type of event. When interacting with the REST API, this is the HTTP body.
-	Type    string          `json:"type"`    // Required. The type of event. This SHOULD be namespaced similar to Java package naming conventions e.g. 'com.example.subdomain.event.type'
-}
-
-type EventContent struct {
-	AvatarURL string `json:"avatar_url"` // The avatar URL for this user, if any. This is added by the homeserver.
-	// TODO: string or null
-	DisplayName      string       `json:"displayname"`        // The display name for this user, if any. This is added by the homeserver.
-	Membership       Membership   `json:"membership"`         // Required. The membership state of the user. One of: ["invite", "join", "knock", "leave", "ban"]
-	IsDirect         bool         `json:"is_direct"`          // Flag indicating if the room containing this event was created with the intention of being a direct chat. See Direct Messaging.
-	ThirdPartyInvite Invite       `json:"third_party_invite"` //
-	Unsigned         UnsignedData `json:"unsigned"`           // Contains optional extra information about the event.
-}
-
-type Invite struct {
-	DisplayName string `json:"display_name"` // Required. A name which can be displayed to represent the user instead of their third party identifier
-	Signed      signed `json:"signed"`       // Required. A block of content which has been signed, which servers can use to verify the event. Clients should ignore this.
-}
-
-type signed struct {
-	Mxid string `json:"mxid"` // Required. The invited matrix user ID. Must be equal to the user_id property of the event.
-	// TODO:
-	// Signatures Signatures `json:"signatures"` // Required. A single signature from the verifying server, in the format specified by the Signing Events section of the server-server API.
-	Token string `json:"token"` // Required. The token property of the containing third_party_invite object.
-}
-
-// TODO: проверить правильность выбора типа
-type ToDevice struct {
-	events []Event `json:"events` // List of send-to-device messages
-}
-
-type DeviceLists struct {
-	Changed []string `json:"changed"` // List of users who have updated their device identity keys, or who now share an encrypted room with the client since the previous sync response.
-	Left    []string `json:"left"`    // List of users with whom we do not share any encrypted rooms anymore since the previous sync response.
-}
-
-type Flow struct {
-	Type AuthenticationType `json:"type"`
-}
diff --git a/internal/models/sync/reply.go b/internal/models/sync/reply.go
new file mode 100644
index 0000000..44cb4b7
--- /dev/null
+++ b/internal/models/sync/reply.go
@@ -0,0 +1,21 @@
+package sync
+
+import (
+	common "github.com/nxshock/signaller/internal/models/common"
+)
+
+type SyncReply struct {
+	NextBatch              string             `json:"next_batch"`                 // Required. The batch token to supply in the since param of the next /sync request.
+	Rooms                  RoomsSyncReply     `json:"rooms"`                      // Updates to rooms.
+	Presence               common.Presence    `json:"presence"`                   // The updates to the presence status of other users.
+	AccountData            common.AccountData `json:"account_data"`               // The global private data created by this user.
+	ToDevice               common.ToDevice    `json:"to_device"`                  // Information on the send-to-device messages for the client device, as defined in Send-to-Device messaging.
+	DeviceLists            common.DeviceLists `json:"device_lists"`               // Information on end-to-end device updates, as specified in End-to-end encryption.
+	DeviceOneTimeKeysCount map[string]int     `json:"device_one_time_keys_count"` // Information on end-to-end encryption keys, as specified in End-to-end encryption.
+}
+
+type RoomsSyncReply struct {
+	Join   map[string]common.JoinedRoom  `json:"join"`   // The rooms that the user has joined.
+	Invite map[string]common.InvitedRoom `json:"invite"` // The rooms that the user has been invited to.
+	Leave  map[string]common.LeftRoom    `json:"leave"`  // The rooms that the user has left or been banned from.
+}
diff --git a/internal/models/sync/request.go b/internal/models/sync/request.go
new file mode 100644
index 0000000..b103cdb
--- /dev/null
+++ b/internal/models/sync/request.go
@@ -0,0 +1,17 @@
+package sync
+
+type SetPresence string
+
+const (
+	SetPresenceOffline     SetPresence = "offline"
+	SetPresenceOnline      SetPresence = "online"
+	SetPresenceUnavailable SetPresence = "unavailable"
+)
+
+type SyncRequest struct {
+	Filter      string      `url:"filter,omitempty"`       // The ID of a filter created using the filter API or a filter JSON object encoded as a string. The server will detect whether it is an ID or a JSON object by whether the first character is a "{" open brace. Passing the JSON inline is best suited to one off requests. Creating a filter using the filter API is recommended for clients that reuse the same filter multiple times, for example in long poll requests.
+	Since       string      `url:"since,omitempty"`        // A point in time to continue a sync from.
+	FullState   bool        `url:"full_state,omitempty"`   // Controls whether to include the full state for all rooms the user is a member of.
+	SetPresence SetPresence `url:"set_presence,omitempty"` // Controls whether the client is automatically marked as online by polling this API. If this parameter is omitted then the client is automatically marked as online when it uses this API. Otherwise if the parameter is set to "offline" then the client is not marked as being online when it uses this API. When set to "unavailable", the client is marked as being idle. One of: ["offline", "online", "unavailable"]
+	Timeout     int         `url:"timeout,omitempty"`      // The maximum time to wait, in milliseconds, before returning this request. If no events (or other data) become available before this time elapses, the server will return a response with empty fields.
+}
diff --git a/internal/users.go b/internal/users.go
index 0654528..9547fa2 100644
--- a/internal/users.go
+++ b/internal/users.go
@@ -7,6 +7,8 @@ import (
 	"sync"
 
 	"github.com/nxshock/signaller/internal/models"
+	"github.com/nxshock/signaller/internal/models/common"
+	mSync "github.com/nxshock/signaller/internal/models/sync"
 )
 
 var first bool
@@ -84,7 +86,7 @@ func (memoryBackend MemoryBackend) Logout(token string) *models.ApiError {
 	return NewError(models.M_UNKNOWN_TOKEN, "unknown token") // TODO: create error struct
 }
 
-func (memoryBackend MemoryBackend) Sync(token string, request models.SyncRequest) (response *models.SyncReply, err *models.ApiError) {
+func (memoryBackend MemoryBackend) Sync(token string, request mSync.SyncRequest) (response *mSync.SyncReply, err *models.ApiError) {
 	memoryBackend.mutex.Lock()
 	defer memoryBackend.mutex.Unlock()
 
@@ -92,18 +94,18 @@ func (memoryBackend MemoryBackend) Sync(token string, request models.SyncRequest
 
 	if !first {
 		log.Println(1)
-		response = &models.SyncReply{
-			AccountData: models.AccountData{
-				Events: []models.Event{
-					models.Event{Type: "m.direct", Content: json.RawMessage(`"@vasyo2:localhost":"!room1:localhost"`)},
+		response = &mSync.SyncReply{
+			AccountData: common.AccountData{
+				Events: []common.Event{
+					common.Event{Type: "m.direct", Content: json.RawMessage(`"@vasyo2:localhost":"!room1:localhost"`)},
 				}},
-			Rooms: models.RoomsSyncReply{
-				Join: map[string]models.JoinedRoom{
-					"!room1:localhost": models.JoinedRoom{
-						Timeline: models.Timeline{
-							Events: []models.RoomEvent{
-								models.RoomEvent{Type: "m.room.create", Sender: "@vasyo2:localhost"},
-								models.RoomEvent{Type: "m.room.member", Sender: "@vasyo2:localhost", Content: json.RawMessage(`membership:"join",displayname:"vasyo2"`)},
+			Rooms: mSync.RoomsSyncReply{
+				Join: map[string]common.JoinedRoom{
+					"!room1:localhost": common.JoinedRoom{
+						Timeline: common.Timeline{
+							Events: []common.RoomEvent{
+								common.RoomEvent{Type: "m.room.create", Sender: "@vasyo2:localhost"},
+								common.RoomEvent{Type: "m.room.member", Sender: "@vasyo2:localhost", Content: json.RawMessage(`membership:"join",displayname:"vasyo2"`)},
 							}}}}}}
 		/*					InviteState: models.InviteState{
 							Events: []models.StrippedState{
@@ -114,7 +116,7 @@ func (memoryBackend MemoryBackend) Sync(token string, request models.SyncRequest
 		first = true
 	} else {
 		os.Exit(0)
-		response = &models.SyncReply{}
+		response = &mSync.SyncReply{}
 	}
 
 	return response, nil // TODO: implement