Cross-Border QR & PromptPay: Thailand-Laos-Cambodia-ASEAN — What You Can Actually Do 2025 | zrate.io
Short Answer: Many people heard that "Thailand has connected QR with Laos, Cambodia, and Vietnam" and mistakenly assume they can scan QR to send money home to family. The truth is: cross-border QR is designed for "paying for goods/services while traveling" — not for sending money to a relative's bank account (remittance). This article clarifies what you can and cannot do, and where things are heading.
What Is Cross-Border QR?
It connects each country's fast payment systems so that "tourists/travelers" can scan a merchant's QR code in another country and pay using their home country's banking app. The system converts currency automatically. The primary purpose is convenience while traveling or doing short-term business — not sending lump sums home.
Thailand's QR Connectivity Status with Neighbors
Thailand-Laos
Phase 1 started April 2024 (Lao users can scan Thai PromptPay QR at Thai merchants to pay). Phase 2 launched mid-2024 (Thai users can scan QR at Lao merchants), via participating Thai bank apps.Thailand-Cambodia
Cross-border QR is now live. Thai travelers can use Thai banking apps (e.g., Krungthai, Krungsri, SCB) to pay at Cambodian merchants, and Cambodian tourists can pay in Thailand too. Per-transaction caps apply (e.g., around 100,000 THB per transaction at some stages).Thailand-Vietnam and Beyond
Thailand is a hub for the ASEAN Payment Connectivity initiative, linking QR with Laos, Malaysia, Singapore, Indonesia, and Vietnam — plus non-ASEAN partners like Hong Kong, Japan, and South Korea. Support and terms vary by country pair; check your banking app.Travel Spending vs. Sending Money Home
| Aspect | Cross-Border QR | Remittance (Sending Home) |
|---|---|---|
| Purpose | Pay merchants while traveling | Send money to family's account |
| Who receives | Merchant/seller | Individual bank account |
| Limits | Per-transaction/per-day, small sums | Higher, suited for lump sums |
| Best for | Tourists, short-term business | Workers sending money home |
Future: QR and Remittance Are Converging
The trend is moving toward more person-to-person transfers. A notable example: in 2026, Wise began connecting with PromptPay, allowing users to send/receive money via PromptPay ID (mobile number or national ID). This is a major step blurring the line between "QR payment" and "money transfer." However, for now, licensed remittance channels remain the primary option for sending money home in meaningful amounts.
*Disclaimer: This information is for general reference only and does not constitute financial advice. Country support, limits, and cross-border QR terms may change. Always verify with your bank before use.*
Frequently Asked Questions (FAQs)
What exchange rate applies when scanning QR in Laos?
The system converts currency at the provider's rate at that moment. Before traveling, compare against the mid-market rate at zrate.io/thb-lak or zrate.io/thb-khr to see the rate spread.
Can I use cross-border QR to send money to family?
No — cross-border QR is primarily designed for merchant payments while traveling and has per-transaction limits. For sending money home, use licensed remittance channels.
Do I need to register before using cross-border QR?
Use it through participating Thai bank apps. Check in your app whether it supports your destination country.