FastPubSub Network

Live pub/sub. Paths that heal themselves.

Publish once. Many screens keep moving.

Backend fires one event. The mesh carries it. A path dies, traffic hops. Dashboards do not freeze on a broken route.

SaaS pokes. Live status. Quotes. Ops boards. Collab beacons. Customer feeds. If the product is the live update, this is the pipe.

API Backend Edge Relay Relay Mesh Dashboard Mobile App Customer Feed

Where API fan-out gets expensive

Every event has many listeners

One backend update can need delivery to hundreds, thousands, or millions of connected customers at roughly the same time.

Origin servers become broadcast servers

Without a relay fabric, your API tier often ends up holding realtime connections and repeating the same message again and again.

Global users do not share one path

Customers arrive through different ISPs, mobile carriers, and cloud regions. A single direct path is rarely good for everyone.

What changes with FastPubSub

Publish once, deliver many times

Your backend sends the event once. FastPubSub handles replication and delivery near subscribed listeners.

api fan-out dashboards market data

Lower jitter across regions

The relay mesh measures RTT, jitter, and loss, then shifts traffic away from degraded Internet paths when better routes are available.

fintech live ops global saas

Protect backend capacity

Realtime delivery moves out of the origin hot path, so your API servers can focus on product logic instead of connection fan-out.

api platforms backend teams startups

Good fits

SaaS dashboards

Status changes, metrics, alerts, and workflow updates pushed to open customer screens.

Market and pricing feeds

Small, time-sensitive updates fanned out to many subscribers with lower jitter.

Customer-facing API events

Live notifications, product events, and account updates delivered through WebSocket-compatible pub/sub.

Not a queue. Closer to a live CDN

Why not a queue

Queues are for work you must not lose. Fan-out here is: get the live event to the UI while it still matters.

CDN for live traffic, not for files

A file CDN caches objects. FastPubSub does not. Same idea as a CDN, but for tiny live messages: land on a nearby edge, ride a measured overlay, fan out to whoever is subscribed right now.

See detailed comparison with Kafka, NATS, RabbitMQ →

Related solutions

Turn backend events into realtime product updates

Use FastPubSub to fan out API events without turning your origin backend into a global broadcast layer.