# Page Not Found

The URL `concepts` does not exist.

You might be looking for one of these pages:
- [Aliases](https://docs.verygoodsecurity.com/vault/tokens.md)
- [Regional Deployments](https://docs.verygoodsecurity.com/vault/vaults.md)
- [Accepting Payments](https://docs.verygoodsecurity.com/vault/guides/payments.md)
- [Example Integrations](https://docs.verygoodsecurity.com/vault/example-integrations.md)
- [VGS Collect and 3DS](https://docs.verygoodsecurity.com/vault/developer-tools/vgs-collect/collect-3ds.md)

## How to find the correct page

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

## Tips for requesting documentation

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