B.I.A. sends a one-time sign-in link to your WhatsApp chat with the bot. The link works once and expires in 15 minutes.
Include the country code. B.I.A. never replies here with whether the number is registered.
Message B.I.A. on WhatsApp and ask for a sign-in link. The bot sends the same one-time link to your direct chat.
Community manager sign-in