> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.opla.co/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).

# Is there a referral programme?

Yes. Refer a friend and earn €5 every time. Your friend gets €5 off their first order, provided the gross total reaches €15 (item + fees + shipping).