About
PromptPay is Thailand's national real-time transfer and QR payment service, operated by National ITMX, a payments infrastructure company whose membership in 2025 comprised 35 banks and 2 non-bank institutions. Users register a mobile number, citizen ID or business tax ID as a proxy for their bank account, so money can be sent without an account number. At online and in-store checkout the shopper scans the merchant's dynamic Thai QR code in their bank app, and the payment confirms within seconds. PromptPay had 81.06 million registrations at end-March 2025 and handled 2.1 billion transactions worth 4.43 trillion baht in March 2025 alone.
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