System Architecture & Documentationv1.0.0
Combind Pusher Realtime Platform
Combind Pusher is a high-performance, distributed realtime messaging platform compatible with Pusher protocol v7. Built on Go, NATS JetStream, Redis, and PostgreSQL to deliver sub-5ms event fanout.
3 Min Setup
Quickstart Guide
Install the JavaScript client and publish your first event in under 3 minutes.
Read guide
RFC 6455
WebSocket Transport Protocol
Explore handshakes, socket IDs, ping/pong heartbeats, and backpressure handling.
View wire protocol
HMAC-SHA256
Channel Authorization
Secure private and presence channels using server-signed authorization tokens.
Security spec
State Sync
Presence & Member Rosters
Maintain online participant lists, who is currently online, and member joined/left events.
View presence
Pusher 1:1 Protocol Compatibility
Drop-in compatible with official Pusher client libraries across JavaScript, iOS Swift, Android Kotlin, Python, PHP Laravel Echo, and Go. No migration rewrites required.