Now in early access

Emails that respond
to behavior

Retainly watches what your users do, detects intent, and sends personal emails from your real inbox — automatically.

Acme CorpStartifyBuildFastLaunchPadScaleHQ

Emails triggered by real behavior

Not scheduled blasts. Retainly fires emails the moment a user does something meaningful — like visiting pricing for the third time.

sarah@buildfast.com
Auto-sent
Visited pricing 3×

noticed you almost upgraded twice

Hey Sarah,

I saw you checked out our Pro plan a couple of times this week. Totally get that the pricing page is not the most exciting place to hang out.

Want me to walk you through what you'd get? Happy to jump on a quick call.

Opened in 4 minutes

Every user gets a profile

Retainly silently builds a behavioral fingerprint of every user. Page views, feature usage, billing events — all scored into a single intent signal.

M

mike@startup.io

Free Plan · 14 days ago

84
Intent Score
Visited Pricing PageJust now

path: /pricing

Hit usage limit2h ago

metric: automations_run

Logged in2h ago
12 rules evaluated

A 5-minute integration

Install the SDK, identify users, and fire events. That's it. Retainly handles the rest.

your-app.ts
import { RetainlyServer } from 'retainly'

const retainly = new RetainlyServer(
  process.env.RETAINLY_API_KEY!
)

// Identify users as they sign up
await retainly.identify(user.id, {
  email: user.email,
  plan: user.plan,
})

// Track the moments that matter
await retainly.track(user.id, 'visited_pricing', {
  count: 3,
  plan: 'free'
})
$ bun add retainlyTypeScript · Node.js · Next.js · Express

From your inbox, not a no-reply

Connect Gmail or Amazon SES. Emails land in Primary, not Promotions. Replies go straight to you.

PrimarySocialPromotions
you@yourcompany.com4 min ago

noticed you almost upgraded twice — want a quick walkthrough?

team@linear.app1h ago

Your weekly project update is ready

notifications@github.com3h ago

[retainly/sdk] New pull request #42

Simple pricing

Start free. Scale when you're ready.

Starter

Free
  • 500 tracked users
  • 1 automation rule
  • Email via Gmail
  • Basic analytics
Get started
Popular

Growth

$19/mo
  • 5,000 tracked users
  • Unlimited rules
  • Gmail + SES sending
  • A/B testing
  • Priority support
Start free trial

Scale

$99/mo
  • Unlimited users
  • Unlimited everything
  • Custom integrations
  • Dedicated support
  • SLA guarantee
Contact us