generated: '2026-07-21'
method: searched
source: https://sandbox.vnpayment.vn/apis/docs/thanh-toan-pay/pay.html
scheme: request-field (vnp_Version)
current_version: 2.1.0
note: >-
  VNPAY does not publish a dated public changelog for the payment gateway; the
  contract is versioned through the vnp_Version request field. The 2.1.0 line is
  the current documented gateway version (succeeding the 2.0.x line).
entries:
- version: 2.1.0
  date: null
  breaking: null
  highlights:
  - Current documented VNPAY-QR / vpcpay gateway version.
  - vnp_ parameter set with HMAC-SHA512 vnp_SecureHash signing.
  - QR, domestic ATM/bank, international card, tokenization and installment flows.