Your address and Tax ID must be verified to trigger the message.
1
Select the connection method
From the integration screen, click Connect WhatsApp Business app. This opens the connection process for your existing app.

2
Enter your phone number
Type the phone number associated with your WhatsApp Business app, then click Next. Only verified phone numbers are shown here.

3
Get your access code
Click Use an access code instead to generate a secure access code, and note it down.

4
Enter the code on your mobile device
On your phone:
- Open the WhatsApp Business app.
- Go to Menu or Settings by tapping the menu icon.
- Select Account.
- Select Business platform.
- Enter the access code you copied earlier.
- Click Next.
- Paste the generated code.

5
Enter additional data
Complete any additional details requested, then click Next.

6
Confirm the connection
Review all details to check that everything is correct, then click Confirm.

7
Scan the QR code
A QR code page appears. Scan the code with your mobile device and follow the on-screen instructions to complete any additional steps.

Your WhatsApp Business app is connected to Cal ID and ready to send workflow messages.