These fields are optional when requesting the Payer Authentication Validation service:
consumerAuthenticationInformation.authenticationTransactionId
Required for Hybrid integration.
consumerAuthenticationInformation.credentialEncrypted
consumerAuthenticationInformation.responseAccessToken
Required for Hybrid integration when you use the generated access token.
consumerAuthenticationInformation.signedPares
The field is in Base64. Remove all carriage returns and line feeds before adding the PARes to the request.
clientReferenceInformation.code
paymentInformation.card.expirationMonth
Required when
paymentInformation.card.number
 is included.
paymentInformation.card.expirationYear
Required when
paymentInformation.card.number
 is included.