Payment corridor notes

• 2026-09-06

  UPI, QRIS and GCash Are Not the Same Rail

  UPI, QRIS, PromptPay and GCash can all feel instant and still be different APIs. The method code is the fact a buyer can check.

• 2026-10-28

  How to Read a TopPay Method Code

  Cashier mode can omit the method. API mode requires it. A code in the guide still has to be enabled on the merchant. theo@toppay.com.