# Page Not Found

The URL `api` does not exist.

You might be looking for one of these pages:
- [Create Invoice（API）](https://docs.xca.sh/invoice/by-api.md)
- [Auth](https://docs.xca.sh/guide/auth.md)
- [Config](https://docs.xca.sh/prepare/config.md)
- [Supported](https://docs.xca.sh/guide/supported.md)
- [Recharge](https://docs.xca.sh/prepare/balance.md)

## How to find the correct page

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

## Tips for requesting documentation

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