# Page Not Found

The URL `others/x-callback-url-endpoints` does not exist.

You might be looking for one of these pages:
- [x-callback-url endpoints](https://help.getupnote.com/resources/x-callback-url-endpoints.md)
- [Share and publish notes](https://help.getupnote.com/import-and-export/share-and-publish-notes.md)
- [Release notes](https://help.getupnote.com/resources/release-notes.md)
- [Create a note](https://help.getupnote.com/get-started/create-a-note.md)
- [Manage your account](https://help.getupnote.com/get-started/manage-your-account.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/resources/x-callback-url-endpoints.md`)
- Use `Accept: text/markdown` header for content negotiation