Businesses must use a new phone number to sign up for the API.They are not able to sign up with a number that is currently active on WhatsApp Messenger App or the WhatsApp Business App. Learn how to delete your account on WhatsApp by clicking here
Your phone number must be active during the verification process. You will receive an SMS or a voice call for two-factor authentication to confirm ownership.
You cannot use the embedded sign-up to register toll-free/UAN numbers or numbers under IVR. Contact your E Ocean account manager if you need to do so.