# Page Not Found

The URL `developer/api/authentication` does not exist.

You might be looking for one of these pages:
- [Authentication](https://edgex-1.gitbook.io/edgex-documentation/api/authentication.md)
- [Account API](https://edgex-1.gitbook.io/edgex-documentation/api/private-api/account-api.md)
- [Asset API](https://edgex-1.gitbook.io/edgex-documentation/api/private-api/asset-api.md)
- [Meta Data API](https://edgex-1.gitbook.io/edgex-documentation/api/public-api/metadata-api.md)
- [Quote API](https://edgex-1.gitbook.io/edgex-documentation/api/public-api/quote-api.md)

## How to find the correct page

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

## Tips for requesting documentation

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