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SaaS Onboarding Email Templates

Convert trials in 7 emails.

A 7-email onboarding sequence for SaaS products: welcome, activation nudge, feature education, social proof, upgrade trigger, win-back, and cancellation save. Includes subject lines with A/B variants.

2 days of setup
5 minutes
80+Files
4,200+Lines of code
80%+Test coverage
5Services
Repository structure
project/
src/
api/
core/
models/
tests/
docker-compose.yml
.github/workflows/
README.md
src/api/auth.py

Tech stack

Python 3.12
FastAPI
PostgreSQL
Redis
Docker
GitHub Actions

The Problem

Most trial users never reach the activation event — the right email at the right time fixes this

Writing onboarding sequences from scratch takes 2-3 weeks for a solo founder

Generic email templates do not convert — SaaS sequences need product-specific triggers

What's Included

Everything you need to ship production-grade code

7 Email Sequence

Day 0: welcome, Day 1: activation nudge, Day 3: feature spotlight, Day 5: social proof, Day 7: upgrade, Day 14: win-back, Day 21: save.

A/B Subject Line Variants

Two subject line options per email with notes on which hypothesis each tests.

Plain Text + HTML Versions

Both versions provided. Plain text typically outperforms HTML in SaaS trials.

Trigger Logic Guide

Recommended behavioral triggers to replace time-based sends.

Get the Template

One-time payment. Full source code. Lifetime updates.

Template Pack

$39one-time
  • 7 email templates (plain + HTML)
  • Subject line A/B variants
  • Trigger logic guide
  • Copy customization notes
Commercial use allowed
Full source code
Lifetime updates

Frequently Asked Questions

Which ESP does this work with?

Any. Templates are plain Markdown/HTML. Import into ConvertKit, Customer.io, Intercom, or ActiveCampaign.