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

# Usage | 使用

- [API](https://doc.pic.re/usage-shi-yong/api.md)
- [Categories | 常见分类](https://doc.pic.re/usage-shi-yong/categories-chang-jian-fen-lei.md): Categories