Cloudflare Worker + Durable Object

RoomBox

Spin up a room, share the link, and let the Durable Object own the live state.

Create a room Open a demo room
What it does

Each room is a single Durable Object that stores history, broadcasts live updates over WebSocket, and tracks who is connected.

Try it

Open the same room in two tabs and watch messages sync instantly.

Rooms Presence Message history