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

# 料金プラン管理と決済

- [#1 料金プラン管理と決済](https://docs.letr.ai/ja/puranto/1-puranto.md)
- [#2 追加使用量のお支払い](https://docs.letr.ai/ja/puranto/2-nooi.md)