Most users should follow the newer WhatsApp Full Setup flow instead. Use this page only if you specifically need the SMS provider method.
Enable SMS Provider for your Sub-account
- Select your target sub-account and go to settings
- Go to
Settings > Phone Number > Advance Settings
- Go to
- Select WhatsApp as custom SMS provider
- Click on Save button

Connect WhatsApp
Once you’ve successfully installed our app and changed the SMS provider, lets connect your WhatsApp

Your WhatsApp number is connected and ready to use.
- Go to the WhatsApp tab from your sub-account
- Click on
Connectbutton, wait for the QR Code.\

- Once QR code is visible follow the mentioned steps on your phone:
-
Open
WhatsApp → Settings → Linked Devices → Link Device → Scan QR
-
Open
- Wait a few moments, and you should see a confirmation in your console indicating that your WhatsApp is now connected.

Support
If you need help with the setup or onboarding:- Email: support@messagesync.ai


