# Template message

> A template message is a WhatsApp message a business writes in advance and Meta approves, the only kind it can send outside the 24-hour window.

Canonical: https://heykiko.io/glossary/template-message
Last updated: 2026-11-05

## What it means

Also called WhatsApp template, HSM.

Templates can hold variables, such as the customer's name, and are reviewed by Meta, usually within a day. Each belongs to a category that sets its price.

[Meta: message templates](https://developers.facebook.com/docs/whatsapp/business-management-api/message-templates)

## Related

- [WhatsApp message categories](https://heykiko.io/glossary/whatsapp-message-categories)
- [WhatsApp 24-hour window](https://heykiko.io/glossary/customer-service-window)
- [Opt-in and opt-out](https://heykiko.io/glossary/opt-in)
- [Full glossary](https://heykiko.io/glossary)