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Connecting WhatsApp Business to Cal ID lets your workflow reminders and confirmations reach guests from your own official business number instead of the default Cal ID number. This page is the hub for the full integration; the steps below walk you through installing the app, choosing your number, and attaching it to a workflow.

Integrate WhatsApp Business with Cal ID

1

Install WhatsApp Business and connect

  • Log in to Cal ID.
  • Go to the Apps section.
  • Search for WhatsApp Business and install it.
Choose the account type to install on:
  • Personal account β€” for individual use.
  • Team account β€” for team collaboration.
Selecting the account type for WhatsApp Business
A page appears asking you to connect WhatsApp Business. Click it to proceed.
Connect WhatsApp Business prompt
On the confirmation screen, click Continue to move to the next step.
Confirmation screen with Continue button
Pick the path that matches your situation:
2

Choose your business portfolio

Select the business portfolio associated with your WhatsApp Business account, then pick the WhatsApp Business account (the number) you want to use.
Your address and Tax ID must be verified on Meta to trigger the templates.
Choosing a business portfolio and WhatsApp Business account
3

Select your phone number

Choose the phone number from the list you want to use with WhatsApp Business, then click Next to proceed to the confirmation step. This number becomes the main contact point for your WhatsApp Business integration.
Selecting the WhatsApp Business phone number
4

Confirm the information

Review the information and click Confirm to verify your settings. This ensures everything is set up correctly before finalizing the connection.
Reviewing and confirming the integration settings
5

Set up the workflow

After you click Confirm, your WhatsApp Business app is installed and connected to your Cal ID account.Next, go to Cal ID and choose the event type where you want the workflow. Select your WhatsApp Business phone number, choose the template from the Message Template dropdown, and save the workflow.
Selecting the WhatsApp Business number and template in a workflow
If you don’t have a template yet, click Create Template and create one.
Create Template option for WhatsApp workflows
WhatsApp Business is connected and attached to your workflow. Reminders will now be sent from your own business number.

Next steps

Connect an existing app

Link a WhatsApp Business app already installed on your phone.

Create a new account

Set up a new business portfolio and WhatsApp Business account in Meta.