# Page Not Found

The URL `backend-api/paper/change-paper-url` does not exist.

You might be looking for one of these pages:
- [ChangePaperUrl](https://docs.ipaper.io/flipbook-backend-api/paper/change-paper-url.md)
- [CreatePaper](https://docs.ipaper.io/flipbook-backend-api/paper/create-paper.md)
- [DeletePaper](https://docs.ipaper.io/flipbook-backend-api/paper/delete-paper.md)
- [MovePaper](https://docs.ipaper.io/flipbook-backend-api/paper/move-paper.md)
- [GetPaperIDFromUrl](https://docs.ipaper.io/flipbook-backend-api/paper/get-paper-id-from-url.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.ipaper.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.ipaper.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/flipbook-backend-api/paper/change-paper-url.md`)
- Use `Accept: text/markdown` header for content negotiation