> For the complete documentation index, see [llms.txt](https://slproject.gitbook.io/sl-einv-project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://slproject.gitbook.io/sl-einv-project/readme.md).

# Introduction

e首發票 ERP API 相關說明文件

* [中文版](/sl-einv-project/cht.md)
* [英文版](/sl-einv-project/en.md)