# Page Not Found

The URL `knowledge-guides/items-and-characteristics` does not exist.

You might be looking for one of these pages:
- [Items and Characteristics endpoints](https://docs.unitary.ai/api-references/items-and-characteristics.md)
- [How to select thresholds](https://docs.unitary.ai/api-references/how-to-select-thresholds-for-items-and-characteristics.md)
- [List of Item and Characteristics](https://docs.unitary.ai/api-references/items-and-characteristics/list-of-i-and-c-classes.md)
- [Features and requirements](https://docs.unitary.ai/api-references/features-and-requirements.md)
- [Virtual Moderator endpoint](https://docs.unitary.ai/api-references/virtual-moderator-endpoint.md)

## How to find the correct page

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

## Tips for requesting documentation

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