> For the complete documentation index, see [llms.txt](https://support.hachium.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.hachium.com/bat-dau-voi-hachium/tai-sao-hachium-co-chinh-sach-mien-phi.md).

# Tại sao Hachium có chính sách miễn phí?