Powerful primitives to build any realtime experience
Real-time publish/subscribe with < 10ms latency. Fan-out to thousands of subscribers instantly.
Send Web Push, FCM, and APNs notifications. Broadcast to segments or individual devices.
Know who is online in real-time. Track users joining and leaving channels.
Persist & replay messages. Catch up on missed events with rewind APIs.
JWT tokens, API keys with granular permissions, rate limiting, E2E encryption.
HMAC-SHA256 signed HTTP callbacks. Retry with exponential backoff.
Auto reconnect with state recovery. Resume subscriptions seamlessly.
Pick your stack. Publishers run on your backend. Subscribers run on browser, mobile, or any frontend.
Start free, scale as you grow. Pay with card or Bitcoin.
Perfect for side projects
No credit card required
For growing products
Everything in Free plus:
Mission-critical scale
Contact Sales
Everything in Pro plus:
Join developers building the next generation of realtime applications.
No credit card required · Free tier forever · Deploy in minutes
TRUSTED BY TEAMS BUILDING REALTIME
Build realtime experiences your users will love. Start free, scale when you grow.
Develop rapidly using wSocket's simple pub/sub APIs. Combine channels, presence, and history to deliver the richest user experience.
Teams trust wSocket to power their apps — autoscaling to millions of devices with billions of messages each month.
Built to serve the world's most demanding realtime workloads, providing guaranteed message delivery and 99.999% uptime.