All Checkout.com codes
CHECKOUT.COM · RESPONSE CODE

Checkout.com
20151

Cardholder failed 3DS authentication

Checkout.com saysSoft decline
20151

Cardholder failed 3DS authentication

What it means

Authentication failed

The shopper did not pass, or did not finish, the 3-D Secure challenge.

What to do

Let the shopper try again or choose another method. Check 3DS drop-off if this happens often.

Worth retryingWho can fix it: The shopper

Other Checkout.com codes with the same meaning

Reference only. Codes and descriptions come from each provider's public documentation. The Yuno response code is a reference mapping and does not guarantee how a specific transaction is processed.