Use the Active Campaign tag for the server GTM to track user activity on your website in Active Campaign. Using this tag, you can:

• Track event
• Create or update contact
• Create or update contact and track events simultaneously

Email. Add user email. This field is required. 

Event information. 

• Event Key. Find this value in your ActiveCampaign account, go to Settings > Tracking > Event Tracking inside your ActiveCampaign account.
• Actid. Find this value in your ActiveCampaign account, go to Settings > Tracking > Event Tracking API.
• Event name.
• Event data.

Contact information. 

• API URL. To find your API URL, log in to your AC account, go to the My Settings page under the "Developer" tab.
• API Key. To find your API URL, log in to your AC account, go to the My Settings page under the "Developer" tab.
• First name
• Last name
• Phone 

Use cases:

• How to integrate ActiveCampaign with the website using Google Tag Manager Server container