Liveblocks

API

Hosted sync engine and components for multiplayer collaboration in your app

Price: Free tier, then paid
Access: Secret key

About

Hosted realtime collaboration service with React hooks and ready-made components for presence, shared storage, collaborative text editors, comments and notifications. Its server is open source (AGPL-3.0) for local development only. The free plan includes 3,000 collaboration minutes a month.

What you can do with it

Add live cursors, presence and multiplayer editing to a React app
Build collaborative text editors with Tiptap, Lexical or BlockNote
Add comment threads and in-app notifications to documents

Get started

Create a project and copy its secret key
Create a room over REST or with @liveblocks/node
Connect clients with the hooks from @liveblocks/react

Example

curl -X POST https://api.liveblocks.io/v2/rooms \
  -H "Authorization: Bearer $LIVEBLOCKS_SECRET_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "id": "my-room-3ebc26e2bf96",
    "defaultAccesses": ["*:write"],
    "metadata": {"color": "blue"}
  }'

Details

Hosting: Hosted service
Available in: Worldwide
Official SDKs: JavaScript/TypeScript, Python
MCP server: Local