What is the character limit for the WhatsApp template name?

Quick answer

The template name in MyOperator must follow Meta’s strict format rules to be accepted. These rules ensure smooth API processing and compliance with WhatsApp Business Platform guidelines.

Character Limit

Minimum: 1 character
Maximum (technical): 512 characters
Best practice: Keep names under 50 characters for readability and easier management.

Invalid Characters

Template names cannot include:

Spaces → order confirmation 🚫
Special characters → order#update, order@2024 🚫
Uppercase letters → OrderUpdate 🚫

Valid Format

Use only lowercase letters, numbers, and underscores.
Must be unique across your WhatsApp Business Account.

Examples

Template Name	Valid?	Reason
`order_update_123`	✅ Yes	Uses lowercase letters, numbers, and underscores only
`OrderUpdate2024`	❌ No	Contains uppercase letters
`order update`	❌ No	Contains a space
`order#update`	❌ No	Contains a special character `#`

What Happens If You Violate the Rules?

You will not be able to proceed with creating the template.
MyOperator will show an error message.
You’ll need to rename and resubmit following the correct format.

Best Practices for Naming Templates

Keep names short and descriptive (under 50 characters).
Use prefixes by use case for easier management:

order_update_2024
promo_summer_sale
otp_login_flow

Avoid generic names like template1 — they make it harder to track usage later.

Tip Treat template names as internal identifiers — customers won’t see them, but clear, consistent naming will save time for your team during approvals, audits, and reporting.

Updated on: 08/01/2026