Interface and Documentation Organisation for Thai Payment Systems

Thailand Payment System Interface and Documentation Organisation

Overview of major payment systems

1. PromptPay

  • typology:: Instant payment system
  • operator (of a power station, transport network etc):: Supported by the Bank of Thailand (BOT) with the participation of several banks
  • specificities:
    • QR code payment and mobile number transfer
    • Low-fee or free microtransactions
  • API documentation: PromptPay Official Specifications

2. Thai QR Payment (Standard QR)

  • typology: QR code payment standard
  • operator (of a power station, transport network etc): BOT regulation, common standards across banks
  • specificities:
    • EMVCo standard static and dynamic QR codes
    • Dolfin, Alipay and other international wallet compatibility

Bank-specific APIs (major commercial banks)

a. Kasikorn Bank (KBank)

Payment interface details for major commercial banks in Thailand

a. Kasikorn Bank (KBank)

  • open platform: KPlus Biz API
  • key function:
    • QR Payment (Thai QR Standard)
    • Instant Account Transfer (PromptPay)
    • Cross-border remittance (Ripple network support)
  • technical document:
  • Featured Services: 
    // KBank QR Payment Request Example
    
const kbankQRRequest = {
    
  merchantId: "YOUR_MERCHANT_ID",
    
  amount: 100.50.
    
  referenceNo: "INV20230001",
    
  callbackUrl: "https://yourdomain.com/callback"
    
};

b. Siam Commercial Bank (SCB)

  • open platform: SCB Easy API
  • Core competencies:
    • SCB Easy Pay (proprietary QR code system)
    • Bill Payment aggregation interface
  • sandbox environment: SCB Developer Portal

c. Bangkok Bank (BBL)