Card · 3DS Authentication

SPA AAV Calculator

Generate deterministic sandbox SPA AAV fixtures.

Build a Mastercard SPA AAV (CVC2) fixture for sandbox testing.

Merchant NamePANMode

ACS IDAuthentication Method

Sequence NumberKey Identifier

Sandbox Key32 hex digits. Used by this local fixture generator only.

The field model follows the reference SPA AAV calculator. The local CVC is a sandbox substitute, not Mastercard production AAV generation.

AAV Base64

No output yet.

AAV hex

No output yet.