RDX 2.2.1 Changelog

Description of Changes
RDXMessageVersion on all requests updated to 2.2.1 Addition of DSTransactionId to all RDX requests [New EMV Value] Addition of StepupCounter to all Stepup requests (Stepup, InitateAction, Validate) RiskRequest 3RIIndicator [New EMV values for 2.2] MerchantChallengeIndicator [New EMV values for 2.2] MerchantInfo > AcquirerCountryCode TransactionInfo > MandatedRegion, DeviceInfo, and BrowserJavascriptEnabled [New EMV Value]StepupRequest DeviceLocale - Increase field length to 2048 characters CardholderSelectionInfo > New support for Cardholder Selection OTP flow added to StepupRequest MerchantInfo AcquirerId AcquirerCountryCode MerchantId MerchantName MerchantURL MerchantCategoryCode MerchantCountryCodeTransactionInfo TransactionTimeStamp TransactionAmount TransactionCurrency Mandated RegionStepupResponse WhyInfo StepupType (New Values: OTP_AND_KBA and OTP_CHOICE_AND_KBA)InitiateActionRequest OtpReferenceCode MerchantInfo (AcquirerCountryCode) TransactionInfo (MandatedRegion)
New values for EMV Decoupled Authentication [Version 2.2.0 and above required] MerchantAuthInfo DecoupledRequestIndicator DecoupledMaxTimeNew values for EMV PSD2 Exemptions RiskRequest ExemptionInfo MerchantFraudRate SecureCorporatePayment WhitelistStatus WhitelistStatusSourceRiskResponse ExemptionResponse WhitelistStatus
Field Updates: RiskRequest Locale - Increase field length to 2048 charactersInitiateAction Request Removed StepupType (will be available in future RDX)Validate Request Removed StepupType (will be available in future RDX)
Updated Values: StepupRequest StepupReason > CARDHOLDER_RESENDInitiateActionRequest StepupType > PaymentInfoValidateRequest StepupType > FirstFactorOutcome, CredentialResponse (Type) Type
Update data Type field for TransactionExponent Risk Request > TransactionInfo object TransactionExponent Type changed from String to IntegerStepup Request > TransactionInfo object TransactionExponent Type changed from String to IntegerInitiateAction Request > TransactionInfo object TransactionExponent Type changed from String to Integer
Update Stepup Request with Channel and TransactionType: Stepup Request > TransactionInfo object: Added Channel Added TransactionTypeStepup Response > StepupResponse.Credentials.Credential added description that the Id value must be unique per Credential objectUpdates to ValidateRequest.CredentialResponse (List)(Object) Updated to reflect conditional value based on response typeNew RiskRequest Field RuleOutcome field added to RiskRequest.
Updates to TransactionAmount and TransactionCurrency fields to reflect conditional value based on NPA Requestor Authentication Indicator. Applies to the following objects: RiskRequest.TransactionInfo (Object) StepupRequest.TransactionInfo (Object) InitiateActionRequest.TransactionInfo (Object)Updates to DeviceModel field length updated to “up to 100 characters”. Updates to “Content and Message Formats” to address cases where VCAS does not perform field validation. Update to StepupResponse.Credentials.Credential (List)(Object) – Text field Updated information regarding mobile phone number format.
Removal of Authentication Types KBAMULTI and BIOMETRIC_IDENTITY_CHECK from the following objects: StepupResponse.Credentials.Credential (List)(Object) InitiateActionRequest.Credentials.Credential (List)(Object) InitiateActionResponse.Credentials (Object) ValidateRequest.CredentialResponse (List)(Object)
Addition of TransactionType and Channel fields in the following objects: InitiateActionRequest.TransactionInfoAddition of ReasonDescription field in the following objects: StepupResponse.Error InitiateActionResponse.Error ValidateResponse.Error