> For the complete documentation index, see [llms.txt](https://docs.twosense.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.twosense.ai/h2fa/readme.md).

# Introduction

These are the docs for using Twosense with the H2FA (Human 2 Factor Authentication) feature.