WABA Registration Guide
Here are the steps to register your WhatsApp Business Account (WABA).
Creating a WhatsApp Business Account
To create a WhatsApp Business account (WABA), be handy the following information:
Facebook Business Manager ID
Business Name
Company logo (min 640x640 pixels, PNG/JPG via Publicly Hosted URL)
Company description
Company website, address, contact email
A phone number to associate with the WhatsApp Account (Standard Long Number), this number identifies the account on the WhatsApp platform and is used as the sender Identity and as a reference for inbound conversations. Make sure the phone number meets the following criteria:
The phone number must be in the standard international format.
As part of the onboarding process for your new WhatsApp Business API, this number will be validated to ensure number ownership by SMS or Voice call – make sure it is not in DND or fight mode.
The phone number must not be associated with a WhatsApp Account. If it is, it will require disassociation first.
Note: If your business is not yet Facebook verified, starting the registration process will walk you through the necessary steps.
WABA Validation
Following steps are involved in WhatsApp business account validation:
Business Manager ID verification
Performed using the Facebook Business ID provided by you.
WhatsApp validates industry vertical with the commerce policy (https://www.whatsapp.com/legal/commerce-policy/)
Meta approves the Message on Behalf of Authority notification, which arrives in your Facebook Business Manager console.
You can locate your Facebook Business Manager ID in the Business Settings > Business info section in the Facebook Business Manager console: https://business.facebook.com/settings/info

For further information on Business Verification refer to: