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Adyen · Decline codes

What does Adyen refusal reason 11 “3D Not Authenticated” mean?

Checked

Adyen refusal reason 11, "3D Not Authenticated", means 3D Secure authentication was not executed, or did not execute successfully. The shopper may have closed the bank's verification screen, failed the challenge, or the step never ran. A retry with the shopper present to complete 3D Secure often succeeds; a renewal charged without the customer cannot pass it.

Type
Authentication failure
Who declined
The 3D Secure step (shopper and issuer)
Retry
Yes, with the shopper present to complete 3D Secure.
Shopper action
Try again and complete the bank's verification step.
Merchant action
Let the shopper retry with 3D Secure.

What PlatformDTC does

PlatformDTC does not connect to Adyen; its checkout runs on Stripe and PayPal. A card failing the bank's 3D Secure check arrives as Stripe's payment_intent_authentication_failure; PlatformDTC never retries that off-session and asks the customer to confirm the payment with their bank.

Why it happens

3D Secure asks the cardholder to prove it is them, through a banking app, code or password. Abandoning or failing that step ends the payment with code 11.

What the shopper can do

Pay again and finish the verification your bank shows (app approval, text code). Make sure pop-ups are not blocked.

What the store can do

Encourage a retry with a clear message. Do not retry silently in the background; 3D Secure needs the shopper.

For developers

refusalReasonCode "11". Compare with 38 Authentication required (the issuer refused an exemption) and 42 3DS Authentication Error (a technical fault in the network or issuer).

Frequently asked questions

What causes Adyen refusal 11?
3D Secure was not completed: the shopper abandoned or failed the challenge, or it did not run successfully.
Can a subscription renewal fix Adyen refusal 11?
No. 3D Secure needs the cardholder, so ask the customer to complete a payment themselves.

Sources

Related

Payments library