Glossary

WhatsApp Message Template: What It Is and How It Works

What a template is, when you must use one, and the rules that keep them approved.

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The short answer A WhatsApp template is a pre-approved message your business can send outside the 24-hour customer service window. The fixed text is locked by Meta after approval; only the {{variables}} you mark can change per send. Templates are the only way to start a business conversation, so they carry the rules: approval, categories, and opt-out requirements.

01 · Glossary

When you must use a template

The 24-hour window decides everything.

Inside the window: free-form messages, no template needed
Outside the window: any business-initiated message must be a template
A template send opens a new conversation and bills it by category
Unapproved templates cannot be sent at all

02 · Glossary

How template variables work

The text is fixed; variables are the moving parts.

Variables are written as {{1}}, {{2}}, and so on
You fill in the values at send time (name, order number, date)
Sample values like [NAME] instead of {{1}} cause rejection
The final rendered message must still read naturally

03 · Glossary

The rules that get templates approved

Most rejections come from a predictable shortlist.

No excessive capitalisation or urgency language
No promotional buzzwords in utility templates
Emoji are risky; plain text is safer
Marketing templates need opt-in and a clear opt-out
Category must match the message's real purpose

04 · Glossary

What approved templates cannot do

Approval locks the text.

You cannot edit an approved template
Wording changes require a new template and a new review
Reusing approved templates is the efficient path: change variables, not text
Wutt's template section flags rejection patterns before you submit

Last updated 5 August 2026

Common questions

No. Replies inside the 24-hour service window are free-form. Templates are only for business-initiated messages outside the window.

Usually a few hours to a couple of days. Authentication templates move fastest; marketing templates are checked most strictly.

Yes, but links without context are a common rejection reason. Explain what the link is and where it goes.

The usual causes: capitalisation, urgency, promotional words in the wrong category, missing opt-out, or placeholder-style values.

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WhatsApp Message Template: What It Is and How It Works

When you must use a template

How template variables work

The rules that get templates approved

What approved templates cannot do

Common questions

Master the WhatsApp terms that matter

Stay up to date

Important Links

Company Links

Contact Info

WhatsApp Message Template: What It Is and How It Works

When you must use a template

How template variables work

The rules that get templates approved

What approved templates cannot do

Common questions

Do I need a template to reply to a customer?

How long does template approval take?

Can I include a link in a template?

Why did my template get rejected?

Master the WhatsApp terms that matter

Stay up to date

Important Links

Company Links

Contact Info