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Headless API · email playbook

Booking confirmations and pre-arrival guides that match your brand

A booking confirmations and pre-arrival guides that match your brand playbook for Hotels & Hospitality, built headless api. Starting from a booking is confirmed in your pms or booking engine, Mailable designs every on-brand email in the flow and ships it through your esp and the tools you already use - inbox-ready in every client.

Headless APIBuild mode: Built via the headless API + MCP

Trigger

A booking is confirmed in your PMS or booking engine

Hotels & Hospitality

Design engine

Mailable

Mailable

prompt → on-brand email

Brand kit

colors · fonts · voice

Who runs it

Build mode

Built via the headless API + MCP

Marketing & brand

team

Front desk & ops

team

Revenue & loyalty

team

Integrations

Synced via API & MCP

mailchimp
klaviyo
salesforce
zapier

Sends to

Your ESP

PMS / booking engine

Guest CRM

How the flow works

Trigger: A booking is confirmed in your PMS or booking engine

  1. 1

    Mailable designs an on-brand confirmation with the itinerary, room, and dates

  2. 2

    A pre-arrival guide follows a few days out, with directions and things to do

  3. 3

    Both are personalized from the reservation data and your brand kit

  4. 4

    Sent through your ESP, rendering perfectly on the phone at check-in

Who runs it

  • Marketing & brand
  • Front desk & ops
  • Revenue & loyalty

Integrations

mailchimp
klaviyo
salesforce
zapier

Synced from your stack; designs stay on-brand by default.

Build mode & destinations

Built via the headless API + MCP

Your ESP

PMS / booking engine

Guest CRM

What keeps it on-brand & on-track

  • Personalized per reservation, never a plain-text receipt
  • Brand kit locked so every property stays on-brand
  • Renders in Apple Mail, Gmail and Outlook, light and dark

Headless API

Your product or an LLM agent calls the Mailable API (or MCP server) to design and send this flow programmatically - on-brand, inbox-ready HTML, no browser required.

Describe it. Ship beautiful email.

Start free, or talk to us about designing email at scale through the editor and the headless API.