> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://knowledgebase.xtenav.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).

# How many friends can I refer?

As many as you’d like! There’s no limit to how many friends you can invite. More friends, more points and thus more free usage.