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Follow these steps if you already have a WhatsApp Business app installed on your mobile device and want to link it to Cal ID.
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.
Connect WhatsApp Business app option
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.
Entering the WhatsApp Business phone number
3

Get your access code

Click Use an access code instead to generate a secure access code, and note it down.
Using an access code instead
4

Enter the code on your mobile device

On your phone:
  1. Open the WhatsApp Business app.
  2. Go to Menu or Settings by tapping the menu icon.
  3. Select Account.
  4. Select Business platform.
  5. Enter the access code you copied earlier.
  6. Click Next.
  7. Paste the generated code.
Entering the access code in the WhatsApp Business app
5

Enter additional data

Complete any additional details requested, then click Next.
Filling in additional required information
6

Confirm the connection

Review all details to check that everything is correct, then click Confirm.
Confirming the connection setup
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.
Scanning the QR code to complete the connection
Your WhatsApp Business app is connected to Cal ID and ready to send workflow messages.