You can dispute a charge on Amex by signing in to your American Express account, finding the transaction, and selecting the available dispute option. You can also contact American Express using the customer service number on the back of your card.
You may need to dispute a charge if you notice an unauthorized purchase, duplicate billing, an incorrect amount, a missing refund, or an item you paid for but never received.
This guide explains how to dispute a charge on Amex, submit supporting evidence, understand investigation timelines, and respond if your dispute is denied.
Table of Contents
How to Dispute a Charge on Amex
Step 1: Sign In to Your American Express Account
Open the American Express website or Amex mobile app and sign in.
Select the credit card account containing the transaction you want to dispute.
Navigate to your account activity or transaction history and locate the charge.
Before proceeding, review the merchant name, transaction date, and amount.
Some merchants use a different billing name from their store name. An unfamiliar description does not necessarily mean the transaction is fraudulent.
If you cannot recognize the charge, check your receipts and recent purchases.
Step 2: Select the Charge You Want to Dispute
American Express allows eligible cardmembers to initiate disputes through their online accounts.
To start:
- Sign in to your Amex account.
- Open your transaction history.
- Find the charge you want to dispute.
- Select the transaction.
- Click “Dispute this Charge.”
- Follow the on-screen instructions.
The available options may differ between the website and mobile app.
If you cannot find the dispute option, contact American Express using the customer service number on the back of your card.
Pending transactions may not be eligible for the standard dispute process until they post.
However, report suspected fraud immediately rather than waiting.
Step 3: Choose the Correct Dispute Reason
American Express needs to understand why you believe the transaction is incorrect.
Common dispute reasons include:
- Unauthorized charge: Someone used your card without permission.
- Duplicate transaction: The merchant charged you twice.
- Incorrect amount: You were billed more than the agreed price.
- Item not received: Your purchase never arrived.
- Refund not received: The merchant promised a refund but did not issue it.
- Canceled subscription: You were charged after canceling a service.
- Damaged merchandise: You received defective goods and could not resolve the issue with the merchant.
Select the reason that accurately describes your situation.
For example, if a merchant charged you $200 instead of $100, choose the incorrect amount category.
Do not classify an authorized purchase as fraud simply because you disagree with the merchant.
Step 4: Contact the Merchant if Appropriate
For problems involving an authorized purchase, American Express recommends contacting the merchant before opening a dispute.
The merchant may be able to correct a billing mistake or process a refund directly.
Provide your order number, transaction date, and explanation.
Ask the merchant to confirm any refund agreement in writing.
Keep copies of emails, chat messages, and receipts.
If the merchant refuses to resolve the issue, proceed with your Amex dispute.
For genuinely unauthorized transactions, contact American Express immediately instead of waiting for the merchant.
Do not let repeated merchant promises cause you to miss an applicable billing dispute deadline.
Step 5: Gather Evidence for Your Amex Dispute
Your supporting documents should explain why the charge is incorrect.
Amex Charge Dispute Evidence Checklist
- Transaction details: Shows the merchant, amount, and date.
- Purchase receipt: Confirms the original agreed price.
- Order confirmation: Shows the items or services purchased.
- Merchant correspondence: Documents your attempts to resolve the issue.
- Cancellation confirmation: Supports a subscription or canceled-service dispute.
- Refund confirmation: Shows that the merchant approved a refund.
- Return tracking: Proves that returned merchandise reached the seller.
- Product photographs: Documents damaged or incorrect merchandise.
You do not need every document for every dispute.
For example, a duplicate charge dispute may require only the purchase receipt and transaction history.
Organize your evidence by date so American Express can understand the sequence of events.
Step 6: Submit Your Dispute to American Express
Complete the dispute form using accurate information.
Clearly explain what happened and identify the amount you are challenging.
For example:
“I purchased a product for $150 on August 10. The merchant canceled the order and confirmed that a refund would be issued. However, the refund has not appeared on my American Express account.”
Include any supporting documents requested during submission.
Review the information before submitting your dispute.
Save the confirmation number and any acknowledgment you receive.
If you experience problems submitting the dispute online, contact Amex customer service.
Step 7: Track Your Amex Dispute Status
After submitting your dispute, monitor your American Express account for updates.
Amex may contact the merchant to request evidence or clarification.
You may also receive requests for additional documents.
Respond promptly and retain copies of your submissions.
Depending on the circumstances, American Express may issue a temporary credit while reviewing the charge.
A temporary credit is not a final refund.
If the investigation determines that the charge is valid, the credit may be reversed.
Continue monitoring the case until you receive a final decision.
How Long Does an American Express Dispute Take?
The investigation timeline depends on the type of dispute and the available evidence.
For qualifying billing errors under the Fair Credit Billing Act, a card issuer generally must acknowledge a proper written dispute within 30 days unless the issue has already been resolved.
It generally must complete the investigation within two billing cycles, not exceeding 90 days after receiving the notice.
Other merchant disagreements may follow different procedures.
An investigation involving delivery records, return policies, or merchant documentation may require additional review.
Check your Amex account and official dispute communications for updates about your specific case.
How Long Do You Have to Dispute an Amex Charge?
For qualifying credit card billing errors, you generally must send a written dispute notice within 60 days after American Express sends the first statement containing the error.
Your notice should identify the transaction, disputed amount, and reason you believe the charge is incorrect.
Follow the billing-error instructions on your statement and use the designated dispute address or an electronic method American Express specifically accepts for formal billing-error notices.
Starting an online dispute or making a phone call does not automatically satisfy every formal notice requirement.
Other types of disputes may have different deadlines.
Contact American Express promptly to protect your rights.
Can You Dispute an Unauthorized Charge on Amex?
Yes. If someone used your American Express card without permission, report the transaction immediately.
You can contact Amex using the number on the back of your card or its official account security channels.
American Express may investigate the transaction, restrict the compromised card, and issue a replacement.
Amex provides fraud protection for eligible unauthorized charges.
However, a transaction you knowingly authorized is not automatically fraudulent simply because the merchant failed to deliver a product or provide a refund.
Those situations should be reported using the appropriate purchase dispute reason.
Review your account for additional suspicious activity and update your login credentials if you believe your account was compromised.
Can You Dispute a Pending Amex Charge?
A pending charge is a transaction that has been authorized but has not fully posted to your account.
Pending charges may change or disappear before becoming final.
For example, a hotel may place a temporary authorization that differs from the final bill.
American Express generally requires charges to post before they can be disputed through the standard transaction dispute process.
If a pending charge looks incorrect, you can contact the merchant to request clarification.
If you suspect fraud, report it to American Express immediately.
You do not need to wait for suspected fraud to post before contacting the issuer.
Do You Have to Pay a Disputed Amex Charge?
For a qualifying billing error properly disputed under federal law, you generally do not have to pay the disputed amount or related finance charges while the investigation is pending.
However, you must continue paying undisputed amounts according to your account agreement.
For example, if your statement balance is $1,000 and you properly dispute a qualifying $250 billing error, you remain responsible for the undisputed $750 under the applicable payment terms.
American Express generally cannot report you as delinquent solely because you withheld payment of a properly disputed billing-error amount during the investigation.
If your dispute is unsuccessful, you may become responsible for the charge and applicable interest.
Contact Amex if you are uncertain about your required payment.
What to Do if American Express Denies Your Dispute
If Amex rejects your dispute, review its explanation carefully.
The merchant may have provided evidence that the charge was authorized, the merchandise was delivered, or a refund was already processed.
Common reasons for an unsuccessful dispute include:
- The merchant provided proof of delivery.
- The transaction was authorized.
- The charge matched the agreed purchase amount.
- A refund had already been credited.
- The submitted evidence did not support the claim.
- The dispute did not meet applicable requirements.
Ask American Express whether reconsideration is available.
If you have new evidence, submit it promptly.
For example, if the merchant claims that you received a package, provide documentation showing that it was delivered to the wrong address.
If you believe American Express mishandled a qualifying billing dispute, you can submit a complaint to the Consumer Financial Protection Bureau.
Sample Letter to Dispute an Amex Charge
Use this template to explain a disputed transaction.
Subject: Request to Investigate Disputed American Express Charge
Dear American Express Dispute Department,
I am requesting an investigation into a charge on my American Express account.
Merchant Name:
Transaction Date:
Disputed Amount: $Amount
Card Number:
I believe this charge is incorrect because .
I contacted the merchant on , but the issue remains unresolved.
I have attached supporting documentation, including relevant receipts, transaction details, and correspondence.
Please investigate this charge and advise me of the next steps.
Thank you.
Important: This sample is a starting point. To preserve federal billing-error rights, follow the formal notice instructions on your Amex statement and submit your notice through an accepted method within the applicable deadline.
FAQs: How to Dispute a Charge on Amex
Q. Can I dispute an American Express charge online?
A. Yes. Sign in to your Amex account, open your transaction history, select the eligible charge, and choose “Dispute this Charge.” Follow the instructions to submit your claim.
Q. Does Amex give temporary credit during a dispute?
A. American Express may provide a temporary credit while investigating an eligible transaction. However, temporary credit is not guaranteed for every dispute and can be reversed if the claim is unsuccessful.
Q. Can I dispute an Amex charge after paying my bill?
A. Yes. Paying the original charge does not automatically prevent you from disputing a qualifying billing error. You must still follow applicable deadlines and procedures. If the dispute succeeds, Amex should make the appropriate account correction.
Q. Will disputing an Amex charge affect my credit score?
A. Filing a dispute does not automatically lower your credit score. However, failing to pay undisputed amounts or other legally required payments could affect your account. Continue following your payment obligations during the investigation.
Conclusion
Knowing how to dispute a charge on Amex can help you resolve unauthorized transactions, duplicate billing, missing refunds, and other credit card problems.
Start by reviewing the transaction, contacting the merchant when appropriate, and gathering supporting evidence.
Submit your dispute through an available American Express channel, follow formal billing-error requirements when applicable, and track the investigation until you receive a final decision.
Disclaimer: This article provides general educational information for U.S. consumers and does not constitute legal or financial advice. American Express dispute procedures, deadlines, investigation timelines, and consumer protections depend on the card product, transaction, and applicable law. Contact American Express or a qualified professional for guidance regarding your specific circumstances.
Meet the Author
