PartyKit Has a Free API: Build Real-Time Multiplayer Apps With Cloudflare Durable Objects

WebSockets are easy to start, impossible to scale. PartyKit makes multiplayer real-time apps deployable with one command. What Is PartyKit? PartyKit is a platform for building real-time, multiplayer, collaborative applications. It runs on Cloudflare's network using Durable Objects for stateful server logic. // party/main.ts — server logic import type { Party , Connection } from " partykit/server " export default class ChatRoom implements Party . Server { messages : string [] = [] onConnect ( conn : Connection ) { // Send message history to new connections conn . send ( JSON . stringify ({ type : " history " , messages : this . messages })) } onMessage ( message : string , sender : Connection ) { this . messages . push ( message ) // Broadcast to ALL connections in this room this . room . broadcast ( JSON . stringify ({ type : " message " , text : message })) } } npx partykit dev # Local dev npx partykit deploy # Deploy globally Client import PartySocket from " partysocket " const ws =