> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.poptin.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What "maximum amount of domains" means?

When you get the message "maximum amount of domains" it means you've reached your plan limit of domain you can use.

Free plan and Basic plan - 1 domain.

Pro plan - 4 domains.

Agency plans - unlimited domain.

You can view and upgrade you plan here:

https://app.popt.in/settings/package