A onboarding and activation sequences playbook for SaaS & Startups, built in the editor. Starting from a user signs up or starts a trial, Mailable designs every on-brand email in the flow and ships it through product events and the tools you already use - inbox-ready in every client.
Trigger
A user signs up or starts a trial
SaaS & Startups
Design engine

Mailable
prompt → on-brand email
Brand kit
colors · fonts · voice
Who runs it
Build mode
Designed in the Mailable editor
Growth & lifecycle
team
Product teams
team
Founders
team
Integrations
Synced via API & MCP
Sends to
Product events
CRM
Data warehouse
Trigger: A user signs up or starts a trial
Mailable designs a welcome email and a multi-step activation sequence
Each step nudges toward the next milestone toward the aha moment
It skips anyone who has already activated
Triggered straight from your product via the API
Synced from your stack; designs stay on-brand by default.
Designed in the Mailable editor
Product events
CRM
Data warehouse
In the editor
A marketer describes the flow in plain English, then refines by chatting or nudging blocks. Brand kit keeps every email on-brand. No code, no waiting on a designer.
Start free, or talk to us about designing email at scale through the editor and the headless API.