A per-client brand kits with locked guardrails playbook for Agencies & Freelancers, built automated sequence. Starting from a client brief lands, Mailable designs every on-brand email in the flow and ships it through client esps and the tools you already use - inbox-ready in every client.
Trigger
A client brief lands
Agencies & Freelancers
Design engine

Mailable
prompt → on-brand email
Brand kit
colors · fonts · voice
Who runs it
Build mode
Runs automatically on triggers
Account & strategy
team
Designers
team
Agency owners
team
Integrations
Synced via API & MCP
Sends to
Client ESPs
Client brand kits
Project tools
Trigger: A client brief lands
Switch to the client’s brand kit in a click
Mailable designs the campaign on-brand, same day
Refine to the client’s notes by chatting or nudging blocks
Deliver white-labeled, or export clean HTML
Synced from your stack; designs stay on-brand by default.
Runs automatically on triggers
Client ESPs
Client brand kits
Project tools
Automated sequence
Triggered by events from your stack - signup, purchase, inactivity - Mailable designs and sends every step automatically, with timing and branching you control.
Start free, or talk to us about designing email at scale through the editor and the headless API.