/n software 3-D Secure V2 Python Edition

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authentication_cavv Property

Cardholder Authentication Verification Value.

Syntax

def get_authentication_cavv() -> str: ...

authentication_cavv = property(get_authentication_cavv, None)

Default Value

""

Remarks

This property is determined by the Access Control Server (ACS), and is filled after receiving a response to a Payer Authentication Request (PAReq). This property contains a 28-byte Base-64 encoded Cardholder Authentication Verification Value (CAVV). The data contained within this property is only valid if the authentication_status is "Y", or if a proof of authentication attempt was generated (authentication_status is "A").

Some regions may require that this value be included in the VIP authorization message.

Note: When using American Express SafeKey, this value may be referred to as the American Express Verification Value (AEVV).

This property is read-only.
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/n software 3-D Secure V2 Python Edition - Version 2.2 [Build 8162]