Cloudflare RealtimeKit - Voice, Video & Multimodal Apps

RealtimeKit

Build, voice, video and multi-modal apps without infrastructure headache

A complete toolkit to integrate real-time audio and video communication with near-zero latency globally. With multiple abstraction levels, you can meet your specific product and feature requirements without handling WebRTC complexities and low-level infrastructure plumbing.

One toolkit for any platform

Platform-ready SDKs that handle the hard parts of WebRTC like connection management, bandwidth adaptation, device handling.

Advanced media features built-in

Easily integrate complex capabilities like recording, transcriptions, and real-time AI participants with simple, clean APIs.

Real-time observability

Get real-time analytics on latency, packet loss, and other critical health metrics to help you identify and solve issues faster.

Network built for real-time

Latency is critical for real-time apps. Anything above ~100ms starts to feel sluggish. RealtimeKit leverages Cloudflare's Anycast network, which spans over 335+ cities and automatically connects users to the nearest server, ensuring consistent performance and ultra low-latency worldwide. <50ms for 95% of the Internet connected population globally, with 11,500+ interconnects including major ISPs and cloud services.

Faster

Slower

RealtimeKit

Perfect for modern real-time applications

You can use RealtimeKit for:

View docs

Audio/Video Apps

Build seamless calling and meeting experiences for any device. Perfect for collaboration, telehealth, proctoring, social apps, gaming, and more.

Voice Agents

With RealtimeKit Agents, build intelligent voice bots, interactive assistants, automated support systems that understand conversational turns and respond in real-time.

AI & Multimodal

Feed live audio and video directly into AI agents, robotics, and multimodal systems, enabling them to see, hear, and interact with the world naturally.

Interactive live streaming

Go beyond one-way broadcasts. Create dynamic live experiences with co-hosting, live shopping, watch parties, and massive audience participation at any scale.

Media processing

Turn raw streams into actionable insights. Automate recording, transcription, translation, and summarization for use cases like security, surveillance, and content analysis.

Cloudflare RealtimeKit delivers ultra-low latency communication at global scale

Build voice, video, and multimodal applications with near-zero latency worldwide. RealtimeKit handles WebRTC complexities, connection management, and global routing — letting you focus on creating great user experiences instead of managing real-time infrastructure.