American Express reason code F29: Card Not Present

Quick answer: American Express reason code F29 is Card Not Present. The Cardmember says they did not make the online, phone or mail-order charge. It is Amex's equivalent of Visa 10.4 and Mastercard 4837, and on Shopify it appears as Fraudulent. You win by connecting the order to the real Cardmember: authentication through American Express SafeKey, matching address and security checks, delivery to the billing address, earlier undisputed orders and activity after the sale.

Last reviewed 8 October 2026. Card network rules and Shopify's process change, so always check the due date and instructions on your own dispute.

Amex F29 at a glance

Network and code	American Express F29, Card Not Present
Shopify label	Fraudulent
What the customer claims	"I did not make this online or phone purchase."
Who it affects	Any store taking American Express online
Your response window on Shopify	Usually 7 to 21 days, shown on the dispute page
Bank decision time	Up to 75 days after you submit, per Shopify
How many times you can submit	Once
Strongest evidence	SafeKey completed, matching address and security checks, delivery to the billing address, earlier undisputed orders
Default call	Fight if the order is linked to the Cardmember. Accept if it is a first-time buyer with failed checks and a new address.

What Amex F29 means

American Express uses a letter and number for its codes. The F prefix marks a fraud dispute, and F29 is the one used when the card was not present at the sale, which covers every online purchase. A related code, F24, is No Cardmember Authorization, used more generally when the Cardmember denies approving a charge.

American Express calls its customers Cardmembers, and the claim is the same as on other networks: someone other than the Cardmember used the card, or the Cardmember says so. Some F29 disputes are real fraud. Others are friendly fraud, where the Cardmember placed the order and disputes it later.

Equivalent codes on other networks

Network	Code	Name
American Express	F29	Card Not Present
Visa	10.4	Other Fraud: Card-Absent Environment. See our 10.4 guide
Mastercard	4837	No Cardholder Authorization. See our 4837 guide
Discover	UA02	Fraud: Card-Not-Present

How an F29 dispute unfolds on Shopify

Shopify's help pages describe the sequence:

Stage	What happens
Day 0	The dispute is raised. Shopify withdraws the disputed amount and the chargeback fee from your balance straight away.
Days 1 to 21	You gather evidence. Shopify says you usually have 7 to 21 days, and the exact deadline is on the dispute page.
Submission	You submit your response, which can be done once.
Review	The case is reviewed. Shopify says this can take up to 75 days.
Outcome	If you win, the amount is returned, and the fee may be too, depending on your country. If you lose, the money stays with the customer.

American Express is a closed network, which means it handles the relationship with the Cardmember and the merchant itself. Disputes can arrive in two stages: a request for information first (often called an inquiry), then a formal chargeback. Shopify shows whatever applies to your dispute and the deadline for it. Treat the first response as final and put everything into it.

What the reviewer checks

The question is whether the real Cardmember was behind the order. These are the signals.

1. Authentication. Did the customer complete American Express SafeKey, the 3-D Secure service for Amex cards? Where it was completed, responsibility for a fraud dispute generally moves away from the merchant.
2. Payment checks. Did address verification and the security code return a match?
3. Delivery. Was the order delivered to the billing address, or an address in the customer's history?
4. History. Does the customer have earlier orders with the same card that were never disputed?
5. Technical match. Do the IP address, device and email fit earlier orders from the same customer?
6. Behaviour after the sale. Did the customer log in, use the product or write to you?

Signals that point to friendly fraud and to true fraud

Signal	Points to the real Cardmember (friendly fraud)	Points to a stolen card (true fraud)
Authentication	SafeKey completed	Not attempted, or failed then retried
Address checks	Both matched	Failed, or billing address in a different country
Delivery	To the billing address, signed for or photographed	To a new address, freight forwarder or distant parcel locker
History	Earlier orders, no disputes	First order, account created minutes before
Contact after sale	Tracking emails opened, customer wrote in	No contact
Order pattern	Normal basket	High-value items, express shipping, repeated attempts

Where most signals sit in the left column, fight. Where most sit in the right column, accept and prevent.

What SafeKey changes

American Express SafeKey is the Amex version of 3-D Secure. During checkout the customer is asked to approve the payment with their issuer, for example through a banking app or a one-time code. When it is completed, responsibility for a later fraud dispute generally moves away from the merchant.

In practice:

• If the order was authenticated and you still received an F29, put that at the top of your response and attach the proof from the order.
• Ask your payment provider whether the dispute should have been blocked or rejected.
• If the order was not authenticated, because it was exempt or the issuer did not ask, the rest of your evidence has to carry the case.

Availability depends on your payment setup and region. Check with your provider.

Worked example 1: a winnable case

A store selling furniture accessories receives an order for £212.00 from a customer in Manchester paying with an American Express card. The customer completes SafeKey. The address check and the security code check both match, and the order is delivered to the billing address on 21 September. On 29 October the dispute is raised as F29.

The merchant collects:

• A record that SafeKey authentication was completed.
• A match on the address and security code checks.
• A delivery scan to the billing address, dated 21 September.
• Two earlier orders from the same email and card (£58 and £94), neither disputed.
• A message from the customer on 24 September asking about assembly instructions.

The letter opens with the authentication, lists the checks, shows the delivery and then the order history and the customer's message. The reviewer sees a Cardmember who completed authentication, received the goods and contacted the store. This is a strong case.

Worked example 2: a case to accept

A different store receives an order for £445.00 from a new email, shipped to a freight forwarder. SafeKey was not used, the address check failed, and the account was created three minutes before checkout. Shopify flagged the order as high risk. The merchant shipped anyway. Six weeks later an F29 arrives.

There is nothing to connect the order to the Cardmember. Accept the loss, and spend the time on prevention: review orders with this profile before shipping and cancel the ones you cannot verify.

The break-even maths

The disputed amount and the fee are already withdrawn whether you fight or not, so the only extra cost of fighting is your time.

Break-even win chance = value of your time ÷ money you would recover if you win.

Order value	Time to respond (45 min at £20/hour)	Break-even win chance
£50	£15	30%
£212	£15	7%
£445	£15	3%
£900	£15	2%

Amex orders tend to be higher in value, so even weak links to the Cardmember can justify the time. Use our Should I Fight This Chargeback? calculator for your own figures.

Should you fight it or accept it?

What your records show	What to do
SafeKey completed by the customer	Fight. Lead with it.
Delivered to the billing address, checks matched	Fight. Add the delivery scan.
Repeat customer with undisputed earlier orders	Fight. List them in a table.
Customer contacted you or logged in after the sale	Fight. Show the activity with dates.
First-time buyer, new shipping address, failed checks	Usually accept. Chances are low.
Shopify flagged high risk and you shipped anyway	Usually accept, then tighten rules.
Order not yet shipped	Cancel and refund.

How to respond to an Amex F29 dispute, step by step

1. Read the dispute and note the deadline. Open the dispute in Shopify and check the reason, the amount and the due date. If it is an information request, treat it with the same urgency.
2. Check authentication and fraud analysis. Look for SafeKey, the address and security-code results and the risk level.
3. Compare billing and shipping addresses. Put them side by side.
4. Search for earlier orders. Search by email and address. Note dates, amounts, delivery status and any disputes.
5. Collect delivery proof. Tracking number, carrier, status, date and time, and any signature or photo.
6. Gather activity after the sale. Logins, tracking emails opened, messages, downloads.
7. Write a short, factual letter. One page. Lead with the strongest fact and use the template below.
8. Attach the proof and submit once. Check every attachment opens, and remember you cannot add anything afterwards.

The evidence checklist

Evidence	Where to find it
Order number, date, items, amount and currency	The order page
Whether SafeKey authentication was completed	The order's payment details and fraud analysis
Address verification and security-code results	The order's payment details
Billing and shipping address side by side	The order page
Tracking number, carrier, delivery status, date and time	The fulfilment section and the carrier
Delivery photo or signature	The carrier's tracking page, if provided
A table of earlier orders from the same customer	Search the orders list by email
Logins, downloads or product use after the sale	Your account system or logs
Customer messages about the order	Support inbox or chat
Your refund and shipping policy	Your store policies

A letter you can adapt

To American Express,

We ask that this dispute for order [ORDER NUMBER], [AMOUNT] placed on [DATE], is reversed. The evidence shows the order was placed by the Cardmember.

Authentication and checks. [American Express SafeKey was completed on this order.] The address verification check and the security code check both returned a match.

Delivery. The order was shipped with [CARRIER] under tracking number [NUMBER] and delivered on [DATE] at [TIME] to [ADDRESS], which matches the billing address.

History. The same customer placed [N] earlier orders, none of which were disputed: [DATE, AMOUNT], [DATE, AMOUNT].

Activity after the sale. [The customer wrote to us on DATE / logged in on DATE.]

The attachments show the order, delivery confirmation and order history. We ask that the dispute is reversed.

Keep it to one page and state facts only. Do not accuse the Cardmember.

Common mistakes

• Leaving out the authentication result. It can change who is responsible.
• Not showing the billing address next to the shipping address.
• Forgetting earlier orders.
• Treating an information request as optional. If Amex asks for documents before a chargeback, answer in full and on time.
• Fighting with no link to the Cardmember. You will pay the fee and lose the sale.
• Adding documents after submitting. You cannot.
• Missing the deadline.

How to reduce F29 disputes

1. Offer SafeKey and 3-D Secure wherever your payment setup supports it.
2. Review higher-risk orders before shipping and cancel those you cannot verify.
3. Be careful with different billing and shipping addresses, especially on first orders.
4. Send clear order and shipping emails.
5. Use a clear billing descriptor.
6. Verify high-value first orders with a short email before dispatch.
7. Watch your overall dispute rate with our chargeback rate guide.
8. Keep order history searchable, so repeat-customer proof is easy to find.

Glossary

• Cardmember. American Express's term for the cardholder.
• SafeKey. American Express's 3-D Secure authentication service.
• F29. Card Not Present, the Amex fraud reason for online and phone orders.
• F24. No Cardmember Authorization.
• Inquiry. A request for information from American Express that can come before a formal chargeback.
• Representment. Your response with evidence, sent back to the bank.

How ChargeFix handles it

ChargeFix reads the order, payment and shipping records from Shopify. It shows the billing and shipping addresses side by side, includes the address and security-check results the payment returned, and pulls the delivery status and tracking events. Where something is missing it says so instead of writing around it. It scores the evidence, tells you whether the case looks worth fighting, and drafts a letter using only facts found in your records. You review it before anything is saved or filed. Install it free.

Frequently asked questions

What does American Express reason code F29 mean? The Cardmember says they did not make a card-not-present purchase, such as an online or phone order. On Shopify it shows as Fraudulent.

What is the difference between F29 and F24? F29 is specific to card-not-present sales. F24 is No Cardmember Authorization, used more generally.

What is SafeKey? American Express SafeKey is the Amex version of 3-D Secure, an authentication step the customer completes with their issuer. Where it is completed, responsibility for a fraud dispute generally moves away from the merchant.

What evidence wins an F29 dispute? Authentication, matching address and security checks, delivery to the billing address, earlier undisputed orders and activity after the sale.

How long do I have to respond on Shopify? Shopify says you usually have 7 to 21 days, and the exact date is on the dispute page. Evidence can be submitted only once.

How long does the bank take to decide? Shopify says the review can take up to 75 days after you submit.

Can I fight an F29 on a first-time order shipped to a new address? Usually not. Without a link to the real Cardmember, the chances are low.

Is an F29 always fraud? No. Some are friendly fraud, where the Cardmember placed the order and disputes it later.

Do American Express disputes work differently from Visa? Amex handles the process itself and may ask for information before a formal chargeback. The evidence you gather is similar.

What if the Cardmember's family member placed the order? The dispute still stands if the Cardmember says it was not authorised. Delivery to the Cardmember's address and use of the product can still help.

How many F29 disputes are too many? Card networks watch dispute counts and ratios, and thresholds change. Use the calculators on this site and your provider's guidance.

Do I get the chargeback fee back if I win? It depends on your country and payment provider. Check Shopify's help page for your region.

Sources and review

• Shopify Help Centre, Overview of the chargeback and inquiry process: response window, decision time, fees and accepted evidence.
• Shopify Help Centre, Chargeback reasons: how Shopify groups dispute reasons
• Stripe, Dispute categories and reason codes: the card network code and the category it falls under
• Adyen, Dispute reason codes and defense requirements: what each code covers
• American Express's published reason code lists, as summarised by major payment providers. Card network rules change, so confirm current details with your payment provider.

Written by the ChargeFix team. We update this page when Shopify or the card networks change their rules.