When fighting chargebacks, one of the most important factors is the chargeback rebuttal letter. While most merchants know that they need compelling evidence to demonstrate that the charge was legitimate and the chargeback should be reversed, the rebuttal letter is sometimes put together at the last minute without much thought.
A bad rebuttal letter can significantly reduce your chances of getting a chargeback reversed. When someone at the issuing bank evaluates your case, the rebuttal letter is the first thing they'll see. First impressions have a big impact, and your letter will influence how the evaluator will see your case. To help you succeed in representment more often, let's go over what a rebuttal letter is, what it's for, and how you can craft one that will maximize your chances of winning the dispute.
The rebuttal letter is your chance to sum up your side of the case concisely, compellingly, and convincingly. Presenting a good argument for why the chargeback should be reversed will increase the chances that the bank will rule in your favor, even with the same evidence. Your letter should highlight your key pieces of evidence, sum up all the supporting documents you’ve offered, and make it easy to understand your case.
With that in mind, here are a few key things that every chargeback rebuttal letter should include:
The last bullet is extremely important, because this is essentially your case for why the cardholder's dispute is not legitimate and why the funds should be returned to you.
A good rebuttal letter will start by addressing the reason code for the chargeback. It will quickly and clearly explain why the reason the cardholder gave for the dispute is incorrect and what evidence you have to prove it.
For example, if the customer claims that they never authorized the purchase and are the victim of fraud, the rebuttal letter might state that the purchase was made using the same IP address that customer used to make previous purchases, and the product was shipped with delivery confirmation to the same address as previous purchases, which also matches the billing address on the card. It would then provide a list of the attached documentation proving each of these points.
A bank employee reading through that kind of rebuttal letter would likely respond by briefly skimming through the attached documentation to ensure it supports the claims made in the rebuttal letter, then reversing the chargeback.
Remember, you're not writing an essay here. A rebuttal letter doesn't need flowery language, drawn-out arguments, or a counterpoint to every possible weakness someone might find in your argument or evidence.
Adding unnecessary length to your letter is unlikely to help your case, and may actually hurt it. Needless filler can make your most important points harder to pick out from amidst the clutter and may annoy the person reviewing your case, since you're essentially wasting their time. Keep it short, simple, and to the point. Let the evidence do the talking, and as long as you've gathered the right evidence to prove your case, you should end up with a high success rate in representment.
Here's one example of a rebuttal letter you might write for a chargeback with a reason code indicating "merchandise not received."
Dear [Name of Recipient],
I write this rebuttal letter contesting chargeback [number] for [dollar amount]. The chargeback reason code is 13.1 - Merchandise/Services Not Received. As we demonstrate here, the transaction identified above represents the legitimate purchase of a watch from our online store, which was delivered to the customer. I am attaching the following pieces of evidence:
If there is any further information you need, please contact me directly and I will respond as soon as possible. I look forward to hearing from you.
Sincerely,
[Name]
[Company]
[email address/phone number]
For other examples, take a look at these anonymized versions of real-world rebuttal letters that resulted in successful chargeback reversals:
While the general guideline for a rebuttal letter is that it should be kept to a single page if possible, more complicated cases or those requiring more supporting evidence may require a longer rebuttal letter to summarize, as demonstrated in these examples.
If the choice is between adding a second page to your rebuttal letter and leaving out relevant evidence, it's usually correct to add the second page.
However, if the paragraphs summarizing your case are pushing the letter onto another page, it's worth checking for any unnecessary or poorly-worded sentences that you can remove or rewrite.
Even with strong supporting documents, certain mistakes in a rebuttal letter can undermine the effectiveness of a representment. To improve the likelihood of a favorable outcome, merchants should steer clear of these frequent pitfalls.
1. Failing to Match the Reason Code
Each chargeback comes with a specific reason code, and the rebuttal must address that particular claim. Generic or misaligned rebuttals that don’t speak directly to the reason code can result in a quick rejection. For instance, if the chargeback is filed under “Duplicate Processing,” a rebuttal focused on delivery confirmation will be irrelevant. Tailor every argument and piece of evidence to the actual dispute type.
2. Providing Incomplete or Disorganized Evidence
Submitting evidence without context or structure can make it hard for the reviewer to understand the relevance of each item. It's important to organize documents in a logical order and reference them clearly in the letter. Label each attachment and mention it explicitly when explaining the case. A summary table listing the evidence and its purpose can help create clarity.
3. Overloading the Letter with Emotion or Irrelevant Commentary
It may be tempting to express frustration, especially in cases where the merchant feels taken advantage of. However, emotional language, complaints about the cardholder, or commentary on fairness are unlikely to influence the outcome. The letter should remain focused on factual explanations and verifiable documentation.
4. Repeating Information Already Contained in the Documents
While the rebuttal should summarize key evidence, it doesn’t need to restate every detail included in the attached files. Instead, the letter should provide a roadmap to the most persuasive proof and highlight the facts that counter the cardholder’s claim. The goal is to make the evaluator’s review process easier, not redundant.
5. Using Vague Language
Clarity and specificity make a rebuttal stronger. Vague phrases like “we believe” or “it seems” can weaken the argument. Use direct language such as “The delivery was signed for by the cardholder on [date],” or “The transaction was authorized using 3-D Secure verification.” Concrete statements backed by documentation make a stronger impression than speculation.
6. Missing Deadlines
All rebuttal letters must be submitted within the response window set by the card network or acquiring bank. Delayed responses can cause the merchant to lose the dispute automatically, regardless of the strength of the case. It’s important to build rebuttal letters and assemble documentation as early as possible once a chargeback is received.
Avoiding these common errors can help strengthen the impact of the rebuttal letter and improve dispute outcomes. A well-organized and precise submission not only presents the merchant’s side convincingly but also respects the time and expectations of the issuer reviewing the case.
Your rebuttal letter is the centerpiece of your chargeback representment case, so don’t phone it in or leave it until the last minute. When written persuasively and in a succinct, direct manner, it has the power to sway the issuer to rule in your favor (and help you recover hundreds or even thousands in lost revenue).