Antom | Knowledge Source

PromptPay

Written by Antom | May 22, 2026 7:40:02 AM

As a national real-time online payment system introduced by the Thai government, PromptPay has quickly amassed more than 67 million users since its launch in 2016. It is now one of Thailand's key online payment methods and widely regarded as the "national payment method".

What sets PromptPay apart is its perfect blend of inclusiveness and convenience. It bridges all major banks and digital wallets in Thailand, allowing users to complete online transfers and payments with a single QR code, eliminating the need to remember complex bank account numbers. This one-code-for-all design has allowed PromptPay to seamlessly integrate into the daily lifestyle of Thai consumers, from street vendors to large shopping malls, from government benefit distributions to peer-to-peer transfers. It has fundamentally changed payment habits in Thailand and accelerated the widespread adoption of cashless transactions, making it one of the most popular online payment methods in the country.

For merchants looking to expand into the Thai market, integrating PromptPay is almost a necessity. In addition to its near-universal user base, PromptPay offers a significant cost advantage, with transaction processing fees much lower than those of local credit cards and digital wallets. Furthermore, its payment limit of up to THB 9.9 billion is more than sufficient to cover everything from everyday purchases to large-value business transactions.

As a core component of Thailand's digital payment infrastructure, PromptPay stands out for its unparalleled reach, low transaction costs, and continuous cross-border expansion, providing merchants with the most direct and efficient way to connect with consumers in Thailand and throughout Southeast Asia.

Properties

The following table lists the product properties supported by PromptPay:

Payment type

Real-time payment

Acquirer

AntomSG, AntomUS

Refund

Merchant entity location

SG, HK, US

Partial refund

Buyer country/region

Thailand

Refund period

Processing currency

THB

Time to return refund result

Payment flow

Code-scanning

Time to return payment result

Real-time

Minimum payment amount

0.01 THB

Chargeback/Dispute

Maximum payment amount

9,999,999,999.99 THB

Customise the timeout

✔️

Default timeout

14 minutes

 

User experience

Note: The following payment flows on different terminals are for reference only. For supported merchants' terminal types, consult Antom Technical Support.

The following screenshots show the journey of paying with PromptPay through app.

1. The buyer selects PromptPay to pay.

2. The buyer obtains the payment code.

3. The buyer manually opens a bank app and taps Scan on the bank page.

4. The buyer confirms the transaction information.

5. The buyer is redirected to the merchant's result page.

FAQ

1. How widely adopted is PromptPay in Thailand?

PromptPay is deeply entrenched in everyday life in Thailand. With over 67 million users, it reaches nearly the entire consumer population. PromptPay is used everywhere, from small street vendors, large shopping malls, government services to peer-to-peer transfers. For merchants, integrating PromptPay means connecting to Thailand's most widely used online payment network.

2. How much can I save on payment costs by using PromptPay?

PromptPay offers a significant cost advantage. Its transaction processing fees are generally lower than those of local bank cards and most digital wallets. While the exact fee structure varies based on transaction volume and business type, PromptPay generally allows you to reach Thailand's largest consumer base at a more affordable cost.

3. Can PromptPay really help attract tourists from other Southeast Asian countries?

Yes. This is one of PromptPay's unique advantages. The system is interconnected with national payment QR schemes in Malaysia, Singapore, Indonesia, and the Philippines. When tourists from these countries visit Thailand, they can pay by scanning a PromptPay QR code using their home country's payment apps, effectively unlocking access to five Southeast Asian markets with a single integration.

4. What security protections does PromptPay provide?

As a national payment system, PromptPay adheres to the highest security standards set by the Bank of Thailand. All transactions are transmitted through encrypted channels and protected by multiple authentication mechanisms, ensuring bank-grade security for both merchants and consumers.

5. Is it technically complex to integrate PromptPay via Antom?

The integration process is fully standardised. Antom has already completed system integration with PromptPay, eliminating the need for you to manage separate relationships with the government or banks. We provide clear API documentation and dedicated technical support. Typically, technical teams can complete testing and go live within 1-2 weeks, allowing you to quickly leverage the capabilities of this national payment method.

 

If you are looking to reach a wider demographic in Thailand and Southeast Asia with greater cost-efficiency, PromptPay is the ideal choice. Contact Antom's payment experts today for a customised integration solution.