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Introducing Minimo: Send Automated Emails & WhatsApp from Supabase Database Events

January 18, 20255 min readWritten by Minimo Team
Minimo platform dashboard showing automated email and WhatsApp workflows triggered by Supabase database events

Building a SaaS product means sending hundreds of automated messages: welcome emails, password resets, trial reminders, payment confirmations. Most teams cobble together 3-4 different tools, write custom webhook integrations, and spend hours debugging when things break.

There's a better way. Minimo connects directly to your Supabase database and triggers lifecycle messages when your data changes—no webhooks, no cron jobs, no sync scripts.


Why Traditional Lifecycle Messaging Is Broken

The typical SaaS messaging stack looks like this:

LayerToolPurpose
TransactionalSendGrid, Postmark, ResendPassword resets, receipts
MarketingCustomer.io, Intercom, BrazeOnboarding, re-engagement
IntegrationCustom webhooks, ZapierConnect DB to messaging tools
SyncCron jobs, ETL pipelinesKeep data in sync

This fragmented approach creates real problems:

  • Data silos — User data lives in 4+ different systems
  • Webhook failures — Messages get lost when integrations break
  • Delayed triggers — Batch syncs mean hours of latency
  • Mounting costs — Each tool adds another monthly bill
  • Maintenance burden — Every schema change requires updates everywhere

The Hidden Cost of Webhooks

Every webhook you write is a liability. It needs error handling, retry logic, monitoring, and updates when your schema changes. A typical SaaS has 10-20 webhook endpoints just for messaging—that's thousands of lines of glue code that adds zero value to your product.


How Minimo Works: DB-Native Messaging

Minimo takes a fundamentally different approach. Instead of syncing data out of your database, we connect directly to it.

Step 1: Connect Your Supabase Project

One-click OAuth connection. Minimo reads your schema (read-only) and shows you available tables and columns. No connection strings to copy, no credentials to manage.

Step 2: Define Your Triggers

Create rules based on database events:

WHEN users.email_verified changes to TRUE
THEN send "Welcome" email template
WHEN subscriptions.status changes to "past_due"
THEN send "Payment Failed" email + WhatsApp reminder

Triggers fire in real-time using Supabase's native change data capture—no polling, no delays.

Step 3: Design Your Messages

Use our visual template editor to create beautiful, responsive emails. Personalize with any column from your database using simple {{user.first_name}} syntax.

For WhatsApp, we handle Meta Business API compliance. You submit templates for approval, and we manage the delivery infrastructure.

Step 4: Go Live

Flip the switch. Messages start flowing automatically based on your database activity. Monitor opens, clicks, and conversions in real-time.


Why We Built Minimo for Supabase

Supabase is becoming the default backend for modern applications. It gives you PostgreSQL, real-time subscriptions, auth, and storage—all in one platform with a generous free tier.

But Supabase doesn't have built-in lifecycle messaging. You still need to:

  1. Set up webhook endpoints for auth events
  2. Integrate a transactional email provider
  3. Build custom flows for trial reminders, re-engagement, etc.
  4. Maintain all of this as your product evolves

Minimo fills this gap. We're purpose-built for Supabase, leveraging its real-time capabilities to deliver instant, reliable messaging without the integration overhead.

Key Benefits

FeatureTraditional StackMinimo
Setup timeDays to weeks20 minutes
Webhook code1000+ linesZero
Data syncManual/batchReal-time
Message latencyMinutes to hoursMilliseconds
Monthly tools3-4 subscriptions1 subscription

What You Can Build with Minimo

Transactional Emails

Replace Supabase's default auth emails with your own branded templates. Customize welcome emails, magic links, password resets, and email verification—all while keeping the same template UIDs (no code changes required).

Trial & Subscription Flows

Trigger messages based on your billing data:

  • Trial ending — Send reminders 7, 3, and 1 day before expiration
  • Payment failed — Notify users immediately when charges fail
  • Upgrade prompts — Message users approaching usage limits

WhatsApp Notifications

For high-priority messages that need immediate attention:

  • Order confirmations and shipping updates
  • Appointment reminders
  • Support ticket responses
  • Two-factor authentication codes

Re-engagement Campaigns

Win back inactive users with automated sequences:

  • Inactivity triggers — Message users who haven't logged in for 7+ days
  • Feature announcements — Notify users about new capabilities
  • Feedback requests — Ask for reviews after key milestones

Getting Started

Minimo is now available in early access. Here's what's included:

  • Unlimited contacts — Only pay for messages sent
  • Email + WhatsApp channels — Both included in every plan
  • Visual template editor — No HTML required
  • Real-time analytics — Opens, clicks, conversions
  • White-glove onboarding — We'll help you set up your first workflows

Early Access Benefits

Join now and lock in special pricing for 12 months:

  1. Personal onboarding call with our team
  2. Domain verification and deliverability setup
  3. 2 starter workflows configured in your first week
  4. WhatsApp Business API setup included

Start Sending in Minutes

Ready to simplify your messaging stack?

  1. Create your free account — No credit card required
  2. Connect your Supabase project with one click
  3. Choose a starter template or build your own
  4. Go live and watch messages flow

Have questions? Book a 15-minute call with our team or email us at hello@minimo.it.


Minimo is the lifecycle messaging platform built for modern SaaS teams. We help you send the right message at the right time—triggered directly from your database.

Minimo

At Minimo, our mission is to be the plug-and-play CRM and marketing tool for modern softwares.

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