# Page Not Found

The URL `extensions-reference` does not exist.

You might be looking for one of these pages:
- [Extensions reference](https://gitbook.com/docs/api-references/extensions-reference.md)
- [Structuring your API reference](https://gitbook.com/docs/api-references/guides/structuring-your-api-reference.md)
- [Insert API reference in your docs](https://gitbook.com/docs/api-references/openapi/insert-api-reference-in-your-docs.md)
- [Version control](https://gitbook.com/docs/creating-content/version-control.md)
- [API Reference](https://gitbook.com/docs/publishing-documentation/embedding/configuration/reference.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/docs/api-references/extensions-reference.md`)
- Use `Accept: text/markdown` header for content negotiation