# Page Not Found

The URL `reference/api/resources/api_key` does not exist.

You might be looking for one of these pages:
- [API key](https://docs.balena.io/reference/api/resources/api-key.md)
- [SSH key](https://docs.balena.io/reference/api/resources/ssh-key.md)
- [Resources](https://docs.balena.io/reference/api/resources.md)
- [Device](https://docs.balena.io/reference/api/resources/device.md)
- [Fleet](https://docs.balena.io/reference/api/resources/fleet.md)

## How to find the correct page

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

## Tips for requesting documentation

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