La valeur ECI est fournie par l'émetteur (ACS). Il indique le niveau d'authentification qui a été effectué sur la transaction. La valeur ECI reçue de l'authentification est transmise dans la demande d'autorisation et détermine également si une transaction bénéficie d'une protection de responsabilité.
Visa
| ECI | Description | Merchant Liability Shift |
|---|---|---|
| 05 | Cardholder authentication successful (this includes successful authentication using risk-based authentication and/or a dynamic password) | Yes |
| 06 | Merchant attempted to authenticate the cardholder
| Yes |
| 07 | Non-authenticated e-commerce transaction
| No |
MasterCard
| ECI | Description | Merchant Liability Shift |
|---|---|---|
| 00 | Non-authenticated e-commerce transaction
| No |
| 01 | Merchant attempted to authenticate the cardholder and received authentication value (Accountholder Authentication Value (AVV)) | Yes |
| 02 | Cardholder authentication successful (this includes successful authentication using risk-based authentication and/or a dynamic password) | Yes |
| 04 | Data share only: non-authenticated e-commerce transaction but merchants have chosen to share data via the 3DS flow with the issuer to improve authorization approval rates | No |
| 06 | Acquirer exemption | No |
| 07 | Recurring payments might be applicable for initial or subsequent transaction)
| Yes |