generated: '2026-07-21'
method: derived
status: candidate
source: https://sandbox.vnpayment.vn/apis/docs/thanh-toan-pay/pay.html
note: No official VNPAY MCP server was found. This is a candidate tool list derived from the documented
  VNPAY payment-gateway operations, as a starting point for an agent integration. Not an authoritative
  provider offering.
server:
  name: vnpay
  transport: http
  url: null
tools:
- name: create_payment_url
  description: Build a signed vpcpay redirect URL (vnp_ parameters + HMAC-SHA512 vnp_SecureHash) to send
    a customer to the VNPAY gateway.
  source_operation: docs/thanh-toan-pay/pay.html#create-payment
- name: verify_return
  description: Verify the vnp_SecureHash checksum on the Return URL query and read vnp_ResponseCode.
  source_operation: docs/thanh-toan-pay/pay.html#return-url
- name: handle_ipn
  description: Validate the server-to-server IPN callback and respond with RspCode JSON.
  source_operation: docs/thanh-toan-pay/pay.html#ipn
- name: query_transaction
  description: Query a transaction's status via the merchant web API.
  source_operation: /merchant_webapi/api/transaction#querydr
- name: refund_transaction
  description: Request a full or partial refund via the merchant web API.
  source_operation: /merchant_webapi/api/transaction#refund
deployment:
  mode: none
  verified: derived
  tools: 5
  checked: '2026-08-12'
  source: catalog MCP census