diff --git a/api/stream/project.ts b/api/stream/project.ts
new file mode 100644
index 0000000..2f748aa
--- /dev/null
+++ b/api/stream/project.ts
@@ -0,0 +1,20 @@
+import type { StringLc, UnixTime } from "../../base.ts";
+import type { ProjectUpdatesStreamEvent } from "../../stream-event.ts";
+import type { Page } from "../pages/project/title.ts";
+
+/** The response type of /api/stream/:projectname */
+export interface Stream {
+  /** The project name */
+  projectName: string;
+  /** The latest updates in the project */
+  end: UnixTime;
+  /** The page updates in the stream */
+  pages: Page[];
+  /** The latest events in the project */
+  events: ProjectUpdatesStreamEvent[];
+}
+
+export interface StreamPage extends Pick<Page, "id" | "title" | "lines"> {
+  /** Icons in the page */
+  iconsLc: StringLc[];
+}
diff --git a/rest.ts b/rest.ts
index cbff2c9..58a2cc4 100644
--- a/rest.ts
+++ b/rest.ts
@@ -6,6 +6,7 @@
 export * from "./base.ts";
 export * from "./change.ts";
 export * from "./error.ts";
+export * from "./stream-event.ts";
 
 export * from "./api/commits/project/pageId.ts";
 export * from "./api/embed-text/twitter.ts";
@@ -24,4 +25,5 @@ export * from "./api/project-backup/project/backupId.ts";
 export * from "./api/project-backup/project/list.ts";
 export * from "./api/projects/project.ts";
 export * from "./api/projects.ts";
+export * from "./api/stream/project.ts";
 export * from "./api/users/me.ts";
diff --git a/stream-event.ts b/stream-event.ts
new file mode 100644
index 0000000..0d3e51e
--- /dev/null
+++ b/stream-event.ts
@@ -0,0 +1,47 @@
+import type { PageId, ProjectId, StringLc, UnixTime, UserId } from "./base.ts";
+
+export type ProjectUpdatesStreamEvent =
+  | PageDeleteEvent
+  | MemberJoinEvent
+  | MemberAddEvent
+  | AdminAddEvent
+  | AdminDeleteEvent
+  | OwnerSetEvent
+  | InvitationResetEvent;
+
+export interface ProjectEvent {
+  id: string;
+  pageId: PageId;
+  userId: UserId;
+  projectId: ProjectId;
+  created: UnixTime;
+  updated: UnixTime;
+}
+
+export interface PageDeleteEvent extends ProjectEvent {
+  type: "page.delete";
+  data: {
+    titleLc: StringLc;
+  };
+}
+export interface MemberJoinEvent extends ProjectEvent {
+  type: "member.join";
+}
+export interface MemberAddEvent extends ProjectEvent {
+  type: "member.add";
+}
+export interface InvitationResetEvent extends ProjectEvent {
+  type: "invitation.reset";
+}
+export interface AdminAddEvent extends ProjectEvent {
+  type: "admin.add";
+  targetUserId: UserId;
+}
+export interface AdminDeleteEvent extends ProjectEvent {
+  type: "admin.delete";
+  targetUserId: UserId;
+}
+export interface OwnerSetEvent extends ProjectEvent {
+  type: "owner.set";
+  targetUserId: UserId;
+}
diff --git a/websocket.ts b/websocket.ts
index 3353cf1..dd90e2b 100644
--- a/websocket.ts
+++ b/websocket.ts
@@ -1,2 +1,3 @@
 export * from "./websocket/change.ts";
 export * from "./websocket/event.ts";
+export * from "./stream-event.ts";
diff --git a/websocket/event.ts b/websocket/event.ts
index c5539e8..5ce5922 100644
--- a/websocket/event.ts
+++ b/websocket/event.ts
@@ -14,6 +14,7 @@ import type {
   InsertChange,
 } from "../change.ts";
 import type { User } from "../api/pages/project/title.ts";
+import type { ProjectUpdatesStreamEvent } from "../stream-event.ts";
 
 export interface EmitEventMap {
   "socket.io-request": (
@@ -118,52 +119,6 @@ export interface ProjectUpdatesStreamCommit {
   freeze: true;
 }
 
-export type ProjectUpdatesStreamEvent =
-  | PageDeleteEvent
-  | MemberJoinEvent
-  | MemberAddEvent
-  | AdminAddEvent
-  | AdminDeleteEvent
-  | OwnerSetEvent
-  | InvitationResetEvent;
-
-export interface ProjectEvent {
-  id: string;
-  pageId: string;
-  userId: string;
-  projectId: string;
-  created: number;
-  updated: number;
-}
-
-export interface PageDeleteEvent extends ProjectEvent {
-  type: "page.delete";
-  data: {
-    titleLc: string;
-  };
-}
-export interface MemberJoinEvent extends ProjectEvent {
-  type: "member.join";
-}
-export interface MemberAddEvent extends ProjectEvent {
-  type: "member.add";
-}
-export interface InvitationResetEvent extends ProjectEvent {
-  type: "invitation.reset";
-}
-export interface AdminAddEvent extends ProjectEvent {
-  type: "admin.add";
-  targetUserId: UserId;
-}
-export interface AdminDeleteEvent extends ProjectEvent {
-  type: "admin.delete";
-  targetUserId: UserId;
-}
-export interface OwnerSetEvent extends ProjectEvent {
-  type: "owner.set";
-  targetUserId: UserId;
-}
-
 export interface CommitNotification extends PageCommit {
   id: string;
 }