Product analytics
shipped by engineers.

Event pipeline, funnels, cohorts, and session replay — all running on your own warehouse. Install in four lines, query in SQL, no sampling.

Start free → $ npm i @flux/sdk

No credit card · 50M events free tier · SOC 2 Type II

app/checkout.ts

import { flux } from '@flux/sdk';

// ⚡ Type-safe, autocompleted events
flux.track('checkout_completed', {
  user_id: user.id,
  amount: 129.00,
  currency: 'USD',
  plan: 'team_annual',
});

// → streamed to your warehouse in < 2s

Trusted by engineering teams at

Linear

Retool

Vercel

Supabase

Railway

Tailscale

Built for the stack you already run

Everything a staff engineer would build in-house.
Without spending six months building it.

Event pipeline

Stream billions of product events a day through a warehouse-native pipeline. Schema-enforced, zero data loss, and typed SDKs for every language.

Read the docs

Funnels & cohorts

Build retention cohorts and conversion funnels in seconds. No PRs, no pipeline changes — your PM and your staff engineer work from the same numbers.

See funnels

SQL workbench

Drop into SQL when the UI runs out. Query raw events with a notebook-style editor, share results as dashboards, and alert on thresholds.

Open workbench

Pricing

Starts free. Scales with your MRR, not your event volume.

Every plan includes unlimited seats, SQL workbench, and warehouse sync. We bill on monthly tracked users — so you can fire as many events as you like.

Hobby

$0/mo

50M events · 10k MTUs

Team

$99/mo

1B events · 100k MTUs

Scale

Custom

SSO · Audit logs · DPA

Install in four lines. Ship today.

Start free, keep your data in your warehouse, and never argue about numbers in a standup again.

Start free Read the docs

Product analytics shipped by engineers.