Domains (for "Add to Calendar" buttons)

When using an “Add to Calendar” button on your website, you will need to add the domain where you are using it to this page using the box below. Domains can be added manually or automatically to your list of licensed domains. If you want to add them automatically, simply include the client tag in your button code. Automatic domain creation is available to all plans except the Hobby plan.

Success. Your domain has been added.

Error. Please enter a valid URL (e.g. or a base domain (e.g.

Please enter your domain, e.g. "" or the full URL (including http://..) to where your "Add to Calendar" button is located. If you want to add a specific sub-domain only e.g. "" then enter that in the box below and also make sure you check the "Independent sub-domain" checkbox.

Independent sub-domain

Please only add domains that you own. Account usage is recorded by domain and adding a domain you do not own may result in you paying for someone else's usage.


List of licensed domains (total: 0)

If you discover a domain not added by you, someone might be using your client code illegally.
You can disable domains not added by you by blocking them in the list below.

Questions and answers

Below you'll find some of the most asked questions.

Why do I need to add my domain(s) in this list?
In order to use our services, you need a license. By adding the domain(s) where you use our services, you let our system know that the domain is part of your account and has a valid license.
What happens if I forget to add my domain?
Our software records and analyzes incoming usage. If activity on an unlicensed domain is detected, our software will try to send a notification to the particular website letting it know about the missing license.
I use AddEvent on a SaaS platform and don't want to add the domains manually.
If you want to add usage domains automatically, simply include the client tag in your button code.

We're happy to help you out in case you have any questions not listed above. Check out our Help Center or get in touch with Support.