Error codes
Soft decline
Adyen
Adyen code 01 – Refer to Card Issuer
The transaction was refused by the card issuer. The shopper should contact their bank for clarification and can try again after resolving the issue or use another payment method.
What does Adyen refusal code 01 mean?
Adyen refusal code 01 Refer to Card Issuer is a generic issuer-level decline. The bank has blocked the transaction but hasn't provided a specific reason — similar to Stripe's do_not_honor. The card is typically valid and active, and the cardholder often doesn't know anything happened.
Is it a soft or hard decline?
Code 01 is a soft decline. Because the refusal is generic, the underlying reason is often transient (velocity, risk flag, geographic mismatch) and clears with a well-timed retry.
Common root causes
Issuer velocity or fraud-risk triggers
Geographic or MCC mismatches
Temporary issuer system conditions
Unrecognized recurring merchant descriptor
Recommended recovery steps
Retry with intelligent timing rather than immediately.
Apply 3-D Secure where supported to reduce risk scores.
If retries persistently fail, request a backup payment method from the customer.
How FlyCode handles Adyen code 01
FlyCode identifies the patterns behind each 01 decline using per-merchant ML models and Mastercard/Visa network-level signals, scheduling retries only when recovery is statistically likely. For cards where the refusal persists, FlyCode's AI outreach engine contacts the customer for an alternate payment method at the optimal moment.
What does Adyen refusal code 01 mean?
Adyen refusal code 01 Refer to Card Issuer is a generic issuer-level decline. The bank has blocked the transaction but hasn't provided a specific reason — similar to Stripe's do_not_honor. The card is typically valid and active, and the cardholder often doesn't know anything happened.
Is it a soft or hard decline?
Code 01 is a soft decline. Because the refusal is generic, the underlying reason is often transient (velocity, risk flag, geographic mismatch) and clears with a well-timed retry.
Common root causes
Issuer velocity or fraud-risk triggers
Geographic or MCC mismatches
Temporary issuer system conditions
Unrecognized recurring merchant descriptor
Recommended recovery steps
Retry with intelligent timing rather than immediately.
Apply 3-D Secure where supported to reduce risk scores.
If retries persistently fail, request a backup payment method from the customer.
How FlyCode handles Adyen code 01
FlyCode identifies the patterns behind each 01 decline using per-merchant ML models and Mastercard/Visa network-level signals, scheduling retries only when recovery is statistically likely. For cards where the refusal persists, FlyCode's AI outreach engine contacts the customer for an alternate payment method at the optimal moment.
What does Adyen refusal code 01 mean?
Adyen refusal code 01 Refer to Card Issuer is a generic issuer-level decline. The bank has blocked the transaction but hasn't provided a specific reason — similar to Stripe's do_not_honor. The card is typically valid and active, and the cardholder often doesn't know anything happened.
Is it a soft or hard decline?
Code 01 is a soft decline. Because the refusal is generic, the underlying reason is often transient (velocity, risk flag, geographic mismatch) and clears with a well-timed retry.
Common root causes
Issuer velocity or fraud-risk triggers
Geographic or MCC mismatches
Temporary issuer system conditions
Unrecognized recurring merchant descriptor
Recommended recovery steps
Retry with intelligent timing rather than immediately.
Apply 3-D Secure where supported to reduce risk scores.
If retries persistently fail, request a backup payment method from the customer.
How FlyCode handles Adyen code 01
FlyCode identifies the patterns behind each 01 decline using per-merchant ML models and Mastercard/Visa network-level signals, scheduling retries only when recovery is statistically likely. For cards where the refusal persists, FlyCode's AI outreach engine contacts the customer for an alternate payment method at the optimal moment.
Understanding This Decline Code
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Frequently Asked Questions
Is Adyen code 01 a soft or hard decline?
Is Adyen 01 the same as Stripe do_not_honor?
Functionally yes — both are generic issuer declines with no specific reason given. Adyen 01 and Stripe do_not_honor map to the same underlying ISO response and are handled with similar recovery logic.
How does FlyCode handle Adyen code 01?
FlyCode's ML models distinguish retry-friendly 01 declines from persistent ones and use network-level signals to optimize retry timing or escalate to AI outreach when customer action is needed.
