Flux

Real-time event infrastructure for modern applications. Send, receive, and react to events across your entire stack with a simple API.

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Why Flux

Purpose-built for event-driven applications at any scale.

Simple Integration

Drop-in SDKs for Node.js, Python, Go, and more. Start sending events in minutes.

Guaranteed Delivery

Events are persisted and retried automatically. Never lose critical data.

Real-time Webhooks

Receive events instantly via webhooks with automatic signature verification.

Full Observability

Debug issues fast with event logs, traces, and delivery analytics.

Quick example

Send your first event in minutes

import Flux from '@flux/node';

const flux = new Flux('sk_live_...');

await flux.events.send({
  type: 'user.signup',
  data: {
    userId: 'usr_123',
    email: 'jane@example.com',
    plan: 'pro'
  }
});