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Meta owns Facebook, Instagram, WhatsApp, and Messenger — and every Meta product shares one login. That’s why connecting WhatsApp to ChatSyncs always starts with a personal Facebook login, even for a business that never touches Facebook the social network itself. What you actually need:
  • One person’s Facebook account, just to log in with.
  • No Facebook Page.
  • No posts or followers.
That login is used once, to create (or select) the Meta Business Portfolio and Meta app that ChatSyncs connects to.

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Frequently asked

No. A personal Facebook login is enough — a Page is a separate product from the Business Portfolio that actually holds the WhatsApp setup.
Yes, though Meta sometimes asks brand-new accounts for extra identity checks. An established personal account tends to go through setup with fewer hiccups.
For the full picture — how the Facebook login, Business Portfolio, and WABA fit together — see What Is Meta? in the Meta WhatsApp API reference.