ECI table

The ECI (Electronic Commerce Indicator) is a code returned by the card networks and indicates the result of the cardholder's 3DS authentication. Check the ECIs corresponding to each network and the authentication result in the table below.

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After the authentication, the ECI value must be sent in the transaction authorization request in the parameterPayment.ExternalAuthentication.Eci.

MastercardVisaEloAmexAuthentication resultWas the transaction authenticated?
02050505Authenticated by the issuer – chargeback risk goes to the issuer.Yes
01060606Authenticated by the issuer – chargeback risk goes to the issuer.Yes
Different than 01, 02 and 04Different than 05 and 06Different than 05 and 06Different than 05 and 06Not authenticated - chargeback liability remais with the merchant.No
0407--Not authenticated, transaction characterized as Data Only - chargeback liability remains with the merchant.No