Now in Beta

Voice Infrastructure
Built for Games

Ultra-low latency voice chat with AI-powered analytics.
Native Unreal Engine & Unity plugins. Integrate in minutes.

<150msLatency
96kbpsOpus Audio
AI-PoweredAnalytics

Everything your game needs for voice chat

From crystal-clear audio to AI-powered player insights, purpose-built for competitive gaming.

AI Voice Analytics

Real-time sentiment analysis, toxicity detection, and player behavior profiling. Understand your community at scale.

Ultra-Low Latency

Sub-150ms round-trip time with WebRTC and mediasoup SFU. Built for competitive gaming where milliseconds decide matches.

96kbps Opus Audio

Crystal-clear voice at 96kbps with the Opus codec. Noise suppression and echo cancellation built in for every player.

Push-to-Talk

Built-in PTT support via API. Toggle or hold-to-talk modes for every platform — web, desktop, mobile, and console.

Flexible Team Rooms

Configurable room sizes for any team structure — duos, squads, raids. Players join their team channel automatically.

Native Engine Plugins

Drop-in plugins for Unreal Engine and Unity — no boilerplate. One API key, drag into your project, and ship.


Up and running in three steps

1

Get Your API Key

Sign up, create a game, and generate your API key from the dashboard. Takes 30 seconds.

2

Drop In the Plugin

Add our Unreal Engine or Unity plugin to your project. Or connect directly via the WebSocket API.

// Connect to Kalem Voice
const ws = new WebSocket('wss://voice.kalem.chat');
ws.send(JSON.stringify({
  type: 'voice:auth',
  game_token: playerToken,
  client_version: '1.0.0',
  platform: 'windows'
}));
3

Monitor Everything

Players connect automatically. Track usage, sentiment, and moderation from your real-time dashboard.


Download Engine Plugins

Drop-in voice chat for your game engine. Full signaling, auth, PTT, and audio — ready to integrate.

Unreal Engine Plugin

v0.2.0 · UE 5.3+
  • Blueprint + C++ API
  • WebRTC via libdatachannel + DTLS-SRTP
  • Opus 48kHz + per-player playback & mute
  • Push-to-Talk built in
Download for UE5
3.7 MB · .zip

Unity Plugin

v1.0.0 · Unity 2022.3+
  • UPM package (com.kalem.voice)
  • HMAC-SHA256 auth (.NET)
  • All platforms (Win/Mac/Linux/Mobile/Console)
  • Push-to-Talk built in
Download for Unity
28 KB · .zip

<150ms Round-Trip Latency
96kbps Opus Audio Quality
99.9% Uptime SLA
Real-Time AI Analytics

Start free. Scale when ready.

No credit card required. Free tier includes everything to prototype and test.

Free
$0/mo

For prototyping and small indie games

  • 100 concurrent users
  • 1,000 voice minutes / mo
  • Basic analytics dashboard
  • Community support
Get Started
Enterprise
Custom

For AAA studios and large-scale deployments

  • Unlimited everything
  • Dedicated infrastructure
  • Custom SLA & uptime guarantee
  • On-premise deployment option
  • Dedicated account manager
Contact Sales

Currently in Beta — All features are free during the beta period. Your usage data carries over when billing launches.

Ready to level up your
game's voice chat?

Join the beta. Get your API key in 30 seconds. No credit card required.

Start Building Free