Onboarding Existing WhatsApp Business App Numbers
Enter your login number and verify via OTP.

Select your Facebook Business Manager Portfolio

Select “Connect your existing WhatsApp Business App”

Enter the phone number used on WhatsApp Business App.

A 5-digit OTP will be sent on your WhatsApp Business App.

Enter OTP for verification.

Choose your Time Zone.

Review and approve DoubleTick's Access Request.

Scan the QR Code from your WhatsApp Business App




Setup complete — you can now use the number on both App and API. You're now live on Co-Existence with DoubleTick!

🆕 For New Numbers
Install WhatsApp Business App
Use the number for at least 7 days with real conversations
Then follow the onboarding steps above
🔁 For Numbers Currently on WhatsApp Business API
Delete the Number from Facebook Business Manager
Log in to your Facebook Business Manager account.
Go to Business Settings → WhatsApp Accounts.
Select the relevant WhatsApp Account.
Click on Settings, then click the Trash icon to delete the API number.

Install WhatsApp Business App and Log In using the downgraded number.
Before downgrading number, it’s important to back up your chats to avoid losing any messages. Follow these steps:
Open WhatsApp Business App → Go to Settings → Chats → Chat Backup
Connect your Google Account (if not already connected)
Set Back up frequency to Daily
Tap Back Up Now and wait until the upload is confirmed
✅ Once the backup is complete, you can safely proceed.
Install WhatsApp Business App and Log In
Install the WhatsApp Business App on your phone.
Log in using the downgraded number (the one you just deleted from the API).
Restore your chat backup when prompted.
Reconnect the Number to DoubleTick
Once your WhatsApp Business App setup is complete and active:
Log in to DoubleTick.
Go to Settings → Manage WABAs → Add Number (green button).
Select “Add number using Embedded Sign Up.”
Choose your Facebook Portfolio.
Select “Connect your existing WhatsApp Business App.”
Enter your number → Verify OTP → Select Timezone → Approve Access.
A QR code will appear → Scan the QR using your WhatsApp Business App.
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