What is a WhatsApp Business number?
A phone number registered on WhatsApp Business — the app or the API — rather than on personal WhatsApp; it shows a business profile to customers, and on the API it can be a landline or virtual number worked by software.
A phone number registered on WhatsApp Business — the app or the API — rather than on personal WhatsApp; it shows a business profile to customers, and on the API it can be a landline or virtual number worked by software.
A phone number registered to a business account on WhatsApp — either the free WhatsApp Business app or the WhatsApp Business API — instead of a personal account. Customers see a business profile, a "business account" label, and on a verified business the green tick. On the app it is a mobile number on a phone; on the API it can be a landline, a virtual number or a toll-free number, registered once and then worked by software.
A number is on one or the other; moving it from the app to the API keeps the number and the chats' customers, not the chat history on the phone.
App vs API explains which kind of number a business needs.
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