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

# Note For Developer

**success case**

paid\_status = normal

paid\_status = high\_paid

**failure case**

paid\_status = low\_paid

**API case**

transaction\_status = waiting