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

# I need an invoice.

If you need an invoice, please send the following information to the official email address: [support@notegpt.io](support@notegpt.io) , and we will assist you with the process.
1. Your payment email address 
2. Receipt