> For the complete documentation index, see [llms.txt](https://docs.blockchainsecurity.asia/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.blockchainsecurity.asia/documentation/kai-shi-shi-yong.md).

# 開始使用

- [服務概觀](https://docs.blockchainsecurity.asia/documentation/kai-shi-shi-yong/overview.md): BCS  API 的運作方式與基本概念。
- [快速上手](https://docs.blockchainsecurity.asia/documentation/kai-shi-shi-yong/quickstart.md): 五分鐘內完成第一次 API 呼叫。
- [認證與 API key](https://docs.blockchainsecurity.asia/documentation/kai-shi-shi-yong/authentication.md): 說明 API key 的使用方式、認證結果、保存規則、撤銷與輪替流程。