multiplayerapi

Home/Multiplayer for every engine

engines · one key, every build

Multiplayer for every engine

The Multiplayer API is JSON over HTTP plus WebRTC — things every engine already speaks. Pick yours for a complete, working integration.

Get your API keys →Play a live demo

Free sandbox · $19.99/mo to go live · cancel anytime

choose your engine
2d · browser

Phaser

Scenes, arcade physics and a multiplayer room in the same update loop.

Read →3d · browser

Three.js

Stream transforms peer-to-peer, keep health authoritative.

Read →3d · browser

Babylon.js

Multiplayer for Babylon scenes with interpolation on server time.

Read →2d · renderer

PixiJS

Sprites, ticker and rooms: a .io game in a few dozen lines.

Read →no engine

Vanilla JS & Canvas

One script tag and a canvas. The smallest possible online game.

Read →desktop · mobile

Unity

UPM package, optional com.unity.webrtc, same rooms as your web build.

Read →open source

Godot

HTTPRequest for native exports, the JavaScript SDK for web exports.

Read →

Make your game online today

Free sandbox keys in one call, no account and no card. $19.99/month when you ship, for every game you make.

Get your API keys →Play a live demo

Free sandbox · $19.99/mo to go live · cancel anytime