A
AdyenAdyen 42
3DS Authentication Error
Technical
System or connectivity issues
Retryable
This decline may succeed on retry
Description
3D Secure authentication failed due to an issue at the card network or issuer.
Recommended Action
Retry the transaction, or ask the customer to use a different payment method.
Common Causes
- Technical failure in 3DS authentication flow
- Card network or issuer 3DS service issue
Recovery Tips
- Retry after a short delay
- If persistent, suggest a different payment method
Quick Reference
Code
42
Category
Technical
Retryable
Yes
Source
Adyen
Recoverability verdict
42 is often recoverable
Payments failing with code 42 are often recoverable with the right retry timing and routing. Slicker recovers up to 70% of soft declines with smart retries.
Related Decline Codes
2Retryable
Refused
The transaction was refused by the issuer without additional information.
3Retryable
Referral
The issuer requires a referral — typically a voice authorisation or manual review.
4Retryable
Acquirer Error
The transaction did not go through due to an error on the acquirer's end.
7Retryable
Invalid Amount
An amount mismatch occurred during the transaction process.