> For the complete documentation index, see [llms.txt](https://developers.esms.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.esms.vn/esms-api/ham-truy-xuat-va-dang-ky.md).

# Hàm truy xuất và đăng ký

Version: v2\_08\_2022