# Page Not Found

The URL `vietqr-api/ket-noi-test-va-golive/test/chuan-bi` does not exist.

You might be looking for one of these pages:
- [Thiết lập và kết nối](https://api.vietqr.vn/vi/cac-dich-vu-api-khac/api-host-to-device-mqtts/thiet-lap-va-ket-noi.md)
- [Các bước đồng bộ MQTT](https://api.vietqr.vn/vi/cac-dich-vu-api-khac/api-host-to-device-mqtts/cac-buoc-dong-bo-mqtt.md)
- [API Check Transaction](https://api.vietqr.vn/vi/cac-dich-vu-api-khac/host-to-client/api-check-transaction.md)
- [MQTT Nhận Biến Động Số Dư](https://api.vietqr.vn/vi/cac-dich-vu-api-khac/api-host-to-device-mqtts/mqtt-nhan-bien-dong-so-du.md)
- [WS: Sync Bank Account](https://api.vietqr.vn/vi/cac-dich-vu-api-khac/host-to-client/ws-sync-bank-account.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/vi/cac-dich-vu-api-khac/api-host-to-device-mqtts/thiet-lap-va-ket-noi.md`)
- Use `Accept: text/markdown` header for content negotiation