diff --git a/packages/core-realtime/src/realtime-server.interface.ts b/packages/core-realtime/src/realtime-server.interface.ts
new file mode 100644
index 0000000..30cbbd8
--- /dev/null
+++ b/packages/core-realtime/src/realtime-server.interface.ts
@@ -0,0 +1,16 @@
+import type { Server as HttpServer } from "node:http";
+import type { Server as IOServer } from "socket.io";
+import type { IRealtimeAuthenticator } from "./realtime-authenticator.interface";
+import type { IRealtimeHandlerRegistry } from "./realtime-handler-registry";
+
+export type IRealtimeServerOptions = {
+  httpServer: HttpServer;
+  io: IOServer;
+  authenticator: IRealtimeAuthenticator;
+  registry: IRealtimeHandlerRegistry;
+};
+
+export interface IRealtimeServer {
+  start(): Promise<void>;
+  stop(): Promise<void>;
+}