> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.doclingo.ai/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 to obtain an invoice?

After payment, the invoice will be automatically sent to your registered email address by Stripe. You can search for "Doclingo" in your inbox. The email subject will look like: "Your receipt from Doclingo #2042-7173...".