Mar 19, 2026

Chargeback Fraud: What It Is, How It Works, and Common Types

Tom-Chris Emewulu
Líder de Marketing, Chargeflow
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Resumo:

Chargeback fraud happens when customers dispute legitimate transactions to keep both the product and their money. It now accounts for roughly 75% of all merchant fraud losses. A legitimate cardholder can pass every verification check and still file a dispute six months later. Your real defense is what you build after the transaction: fulfillment documentation mapped to specific reason codes, a 24-month data retention policy, and a system that flags known abusers before your warehouse ships a single item. Merchants still treating chargebacks as isolated accounting events are absorbing losses that a systems-level approach with Chargeflow Prevent would have stopped.

In the Spring of 2010, more than a dozen eCommerce fraud prevention professionals gathered in a hotel conference room in Las Vegas to compare notes. What they were seeing in their chargeback reports didn’t make sense.

Fraud reason codes were spiking sharply. However, when examining these cases, the pattern differed from traditional card fraud. The cardholders had made the purchases themselves. The transactions had passed verification checks. The goods had been delivered. Yet fraud claims were being filed in droves.

What the group was witnessing wasn’t stolen card activity. It was something subtler and more dangerous: chargeback fraud.

In that room, it became clear that this wasn’t an occasional nuisance. It was an emerging systemic problem. Years later, fraud prevention expert Karisse Hendrick, who was present at that meeting, would recount the moment in her article, describing it as an early turning point in how the industry understood chargebacks.

More than a decade later, chargeback fraud hasn’t disappeared. Instead, it has become even more sophisticated, automated, and normalized than ever. For many merchants, chargeback fraud no longer appears as sudden spikes. It’s a steady leakage of revenue hidden inside dispute ratios and fraud dashboards.

If you run an eCommerce business, you’re almost certainly dealing with chargeback fraud, whether you’ve labeled it that way or not.

O que é fraude por estorno?

Chargeback fraud is an abuse of the chargeback system where a customer makes a legitimate transaction, receives the product or service, and then disputes the charge with their bank to reclaim the payment, while retaining the purchased product or service.

The mechanics are deceptively simple:

  1. A customer places an order and pays with their credit card.
  2. You, the merchant, fulfill the order and deliver the product.
  3. The customer contacts their bank claiming they never received the item, don’t recognize the charge, or that the transaction was unauthorized.
  4. Their bank reverses the charge, taking the money from your merchant account.
  5. The customer keeps both the product and their money.

What makes this particularly insidious is that the burden of proof falls on you. When a customer disputes a charge, you must prove the transaction was legitimate to overturn the payment reversal. And even with solid evidence, you may still lose.

Common Types of Chargeback Fraud

The term chargeback fraud is a broad identifier used in the payment industry to categorize different types of false disputes from cardholders. Here are the most common forms of chargeback fraud:

1) Item Not Received Fraud

The customer claims they never received the item, but tracking details indicate otherwise. This is one of the most common eCommerce chargeback fraud vectors.

Notable signs of impending “item not received” fraud include:

  1. The buyer requests a high-value item to be delivered to apartment buildings or shared spaces,
  2. They’ve made this claim before.

2) Item Not as Described Fraud

Claims of “item not as described” argue that the product or service the customer received was significantly different from what was advertised. Like Item Not Received cases, legitimate complaints are not uncommon. But fraudsters use this angle because it’s subjective and harder to disprove.

Standard red flags include:

  1. Vague complaints,
  2. No return attempt before dispute filing,
  3. Outright dispute without contacting the merchant first.

3) “Transaction Unauthorized” Fraud

Transaction Unauthorized chargeback fraud is when a customer claims they didn’t make the purchase, that someone else must have used their card. This is particularly effective because it mimics genuine fraud, and banks traditionally side with the cardholder in these cases.

4) Family Fraud

This happens when a family member (often a child or teenager) makes a purchase using a parent’s card. When the parent sees the charge, they dispute it as unauthorized rather than seeking a refund from the vendor.

Red flags include purchases made during hours when the cardholder might be asleep or at work, or younger-skewing products ordered on an older person’s card.

5) Subscription Fraud

Subscription fraud happens when a customer disputes a recurring billing as unauthorized after using the service for weeks or months. Apart from instances of forgotten subscriptions, subscription avoidance is a key chargeback fraud in eCommerce.

6) Buyer’s Remorse Fraud

For buyer’s remorse fraud, the customer simply changed their mind about the transaction immediately after the cash left their wallet. Instead of seeking a refund, they go over your head to file a dispute because it’s “faster.”

This is challenging for merchants because there’s nothing suspicious about the transaction; the fraud mostly happens after delivery.

Friendly Fraud vs Chargeback Fraud: What’s the Difference?

You’ll often see both “friendly fraud and chargeback fraud” used interchangeably to describe an abuse of the chargeback mechanism. And they mean the exact same thing.

Industry records and chargeback history indicate that the term "friendly fraud” was already used by banks and processors in internal contexts and glossaries as early as the mid-2000s. After the Spring 2010 Vegas meeting, the term quickly became widely recognized and adopted throughout the eCommerce industry.

The term draws from the military analogy of “friendly fire”, which is to harm one’s own side. This is fitting because the fraud originates from a seemingly legitimate customer, not an external criminal.

Chargeback fraud emerged as an alternative, more descriptive, and straightforward synonym in the mid-2010s.

Current industry practice refers to the abuse of the chargeback system as “first-party fraud,” with friendly fraud, chargeback fraud, and first-party misuse/abuse all used interchangeably.

Chargeback Fraud Timeline:

  1. 2010: Friendly fraud becomes the industry standard term to distinguish it from third-party fraud.
  2. Mid-2010 onward: Chargeback fraud and first-party fraud emerge as alternatives as the industry pushes back against the friendly terminology.
  3. Present: Both terms are used, with first-party fraud and chargeback fraud increasingly preferred over friendly fraud, while first-party misuse serves as a broader term (that includes both intentional fraud and genuine confusion).

That distinction matters. Not every disputed charge is malicious:

  • A customer might genuinely not recognize your business name on their statement.
  • Family members might make purchases without clear communication.
  • Someone might forget they authorized a trial that converted to a paid subscription.
  • Delivery issues might lead to genuine confusion about whether an item arrived.

The problem is that these innocent mistakes use the exact same mechanism as deliberate fraud. And they cost you just as much money. Whether the customer is malicious or confused, it doesn’t matter to banks. You still lose the product, payment, and pay non-negotiable chargeback fees.

How Chargeback Fraud Works in eCommerce

Chargeback fraud exploits a fundamental design flaw in online commerce: the person who authorized the payment can later claim they didn’t, and the system will believe them by default.

Here’s the playbook:

A customer buys something with their own card. You fulfill the order. Then they dispute it. Their bank remits reversal.

What makes it uniquely powerful in eCommerce is that every piece of evidence that proves a transaction was legitimate can be explained away.

  • Tracking shows delivered? “Stolen from my porch.”
  • The IP address match previous orders? “My WiFi was hacked.”
  • Shipping address match orders? “Someone who knows my address used my card.”

The reason for this fundamental gap is that the chargeback mechanism hasn’t come to terms with the realities of today’s commerce, where the cardholder can be the fraudster.

The Subscription Economy Has Amplified Chargeback Fraud

The genius of eCommerce chargeback fraud is that legitimate transactions and fraudulent ones can be indistinguishable forensically. Both involve:

  • The correct card number and CVV.
  • Address verification passing.
  • The real cardholder’s device and IP address.
  • Delivery to their actual address.
  • Sometimes, even their signature.

A determined fraudster doesn’t need to steal anything or hack anything. They just need to lie after the fact. The burden shifts entirely to you to prove they’re lying, which is nearly impossible.

Subscription businesses face this in incremental dimensions.

A customer signs up, uses your service for months, then disputes every charge, claiming they “never authorized recurring billing.” The bank has little incentive to police the cardholders’ dispute behavior, since the financial burden falls on you rather than the bank itself. You’re effectively fighting an uphill battle to prove intent from login logs and usage data.

Meanwhile, the fraudster extracted months of value, paid nothing, and will most likely face zero consequences. They might even take a swing at you again with a different card.

The Real Business Impact of Chargeback Fraud

Let’s talk numbers. Because the true cost of chargeback fraud goes far beyond the immediate transaction value.

Direct Financial Losses

For every $100 chargeback, you actually lose:

  • $100 in revenue (returned to the customer)
  • The cost of goods sold (you shipped the product)
  • Shipping costs (both directions if return shipping applies)
  • Processing fees (credit card companies don’t refund these)
  • Chargeback fees ($15-$100 per incident)
  • Administrative time to fight the chargeback

If you think it ends there, you’re in for a surprise. It gets worse.

Merchant Account Penalties

Card networks monitor your chargeback ratio, the percentage of transactions that result in chargebacks. If your ratio exceeds a certain threshold, you face escalating penalties:

Visa (VAMP, post-April 2026 changes in major regions):

  • Merchant Excessive: 1.5% (150 bps) + ≥1,500 fraud/disputes monthly.
  • Acquirer Above Standard: 0.5%; Excessive: 0.7%.
  • Penalties: Per-transaction fees (~$8+), remediation required.

Mastercard (ECM/ECP):

  1. ECM: 1.5% chargeback ratio + ≥ 100 chargebacks monthly (sustained for 2 consecutive months).
  2. HECM: 3% chargeback ratio +  ≥ 300 chargeback monthly (sustained for 2 consecutive months).
  3. Penalties: Tiered monthly fines starting at $1,000 (month 2).

Operational Burden

Fighting chargeback fraud consumes resources that should be spent growing your business:

  • Employee time goes into gathering evidence and writing rebuttals.
  • Management attention is diverted from strategy to firefighting.
  • IT resources are diverted to building better documentation infrastructure.
  • Customer service focuses on handling disputes rather than assisting legitimate customers.

Psychological Impact

This doesn’t show up on financial statements. But it’s still real: the frustration, stress, and sense of helplessness that come from being robbed while the system seems to protect the thief.

Many eCommerce business owners cite chargeback fraud as one of the most demoralizing aspects of running an online store. The screenshot of a Reddit conversation says it best:

Screenshot 2026-02-18 at 12.39.45 PM.png
Screenshot of a merchant complaining about unfair chargebacks

Why Chargeback Fraud Persists

For Deliberate Fraudsters: It’s theft with zero criminal penalties. Banks don’t share data across merchants. You can’t build a “do not serve” list that works across the industry. Each merchant discovers the same repeat offender independently, after they’ve already been robbed.

For “Accidental” Fraudsters: It started as genuine confusion. They didn’t recognize a charge, they panicked, and disputed it. Then they realized they got away with it. Next time, the confusion is less genuine. The time after that? It’s completely intentional because they learned the system seems to reward claiming ignorance. So they keep doing it.

For Everyone In-between: The lack of consequences creates a moral hazard. When disputing a charge is easier than contacting customer service, faster than waiting for a refund, and carries no downside, people take the path of least resistance. Even when they know it’s wrong, they’d do it anyway.

The system practically trains customers to commit fraud.

Industries Most Vulnerable to Chargeback Fraud

When chargeback fraud first gained mainstream attention in 2010, a LexisNexis True Cost of Fraud study found that friendly fraud accounted for just 20% of merchant fraud losses. Only 10% of merchants reported seeing an increase in these disputes that year.

Today, a similar report by Visa attributes ~75% of all chargeback costs to chargeback fraud. 63% of merchants reported an increase in friendly fraud.

In just over a decade, what was a concerning problem morphed into the dominant form of fraud facing merchants.

Some industries are more impacted by chargeback fraud than others. Here are the industries most vulnerable to chargeback fraud:

Viagens e Hotelaria

Industry analysts indicate that the travel and hospitality sector saw a 30%+ YoY increase in chargebacks in 2025. Hotels, vacation rentals, and tour operators face significant chargeback fraud. This was attributed to:

  • Customers contesting charges after successfully completing their stay.
  • “Service not as described” claims that are hard to disprove.

Travel and hospitality have the highest average chargeback amount ($120), according to Mastercard.

Gaming, Crypto, Supplements and CBD Products

Payment processors see merchants providing services in gaming, gambling, crypto, supplements and CBD products as high-risk due to elevated chargeback rates from customer dissatisfaction, unmet expectations, unclear efficacy, and subscription issues.

High-risk verticals are often vulnerable to account termination and have a chargeback amount of $99.

Fashion and Apparel Retail

The $1.84 trillion fashion and apparel market is one of the sectors struggling with chargeback fraud the most. Clothing retailers face unique challenges, such as:

  • The subjectivity of “item not as described” claims due to expectations gaps on color, fit, and quality.
  • Wardrobing, where customers wear items once, then dispute the charge.
  • High return rates are making it harder to identify fraud patterns.

Fashion and apparel retailers have an average chargeback amount of $84.

Produtos digitais e serviços de assinatura

Software, digital downloads, streaming services, online courses, and gaming are prime chargeback fraud targets because:

  1. The absence of physical shipping means no delivery confirmation.
  2. Instant delivery makes it easy to use and then dispute.
  3. Difficult to prove the customer received or used the product.

Mastercard says the digital goods vertical has an average chargeback value of $77 while subscription services have an average chargeback amount of $69.

Best Practices to Prevent eCommerce Chargeback Fraud

The standard advice (clearer communication, tighter verification, better record keeping) isn’t wrong. It’s just incomplete. After a decade of merchants following it, chargeback fraud has continued to grow.

So let’s talk about what that advice misses.

Chargeback Fraud Prevention Strategy: Stop Defending the Wrong Perimeter

Checkout is no longer where most chargeback fraud is decided.

Your most important defenses aren’t at the point of purchase. They’re in what you build during fulfillment, how you document delivery, and how quickly you can prove what happened when a customer claims it didn’t.

Most prevention guidance made sense when fraud meant stolen card information. They stop unauthorized transactions, block stolen cards, and flag suspicious behavior before money changes hands.

But, in today’s eCommerce, most chargeback frauds are perpetrated by the actual customer. No checkout defense can prevent a legitimate cardholder from disputing a transaction they willingly made. The fraud happens later, when they claim they didn’t.

That’s the gap the standard advice doesn’t address. Checkout tells you who completed the transaction. It tells you nothing about whether they’ll stand behind it.

Make returns accessible, not frictionless.

Generous return policies reduce chargebacks by offering dissatisfied customers an alternative to calling their bank. That’s true. However, ultra-permissive policies (no questions asked, no item required, instant refund) don’t just reduce friction. They reduce accountability.

Returns should require the original item. Refunds should go to the original payment method. Customers with a history of disputes should receive additional scrutiny before high-value orders ship.

Operational Strategy: Build the Evidence Before You Need It

The paper trail is built during fulfillment. Not after.

Reactive record keeping is too late and too generic. By the time a dispute lands on your dashboard, you’re reconstructing a case from memory instead of presenting one you built deliberately.

Before automating their dispute process, Elementor’s billing team spent 20 to 30 minutes per chargeback manually compiling chargeback reason codes and uploading them to Stripe and PayPal. At Fanatics, their Global Director of Trust and Safety was spending over 25 hours a week fighting chargeback fraud manually. Do the math: That’s over half of her work week absorbed entirely by a reactive process that generated zero revenue.

The merchants who consistently win disputes don’t have that operational design problem. Why? They build their evidence of fulfillment and map them specifically to the reason codes they face.

Map your reason codes before the dispute arrives.

Merchants who treat all chargebacks the same way lose the ones they should be winning. Not all chargeback reason codes require the same defense.

The goal isn’t more documentation. The goal is engineering your documentation to win a specific dispute months later:

Physical goods

  • Photograph products before packaging, with the order number visible.
  • Capture condition, serial numbers, and packaging for high-value items.

Produtos digitais

  • Log first-access timestamp, IP address, and device ID.
  • Generate automated delivery confirmations.

All goods

  • Send post-delivery emails referencing the specific product, delivery address, and date, not generic confirmations.

Know the real dispute window.

Many merchants purge records after 18 months. That assumption can be problematic.

Certain Visa transactions can be disputed up to 540 days after the original charge.

Retention policies should reflect that reality:

  • Store transaction and fulfillment data for at least 24 months.
  • For subscription businesses, retain records for the life of the customer relationship plus 24 months.

Chargeback fraud exposure doesn’t expire on your internal timeline.

From the Field: Fanatics

Fanatics Live, the sports collectibles marketplace, was losing more than $800,000 annually to chargebacks while its Global Director of Trust & Safety spent 25+ hours a week managing disputes manually. After implementing Chargeflow, they recovered that revenue within the first year, doubled their win rate, and, critically, gained the data visibility to track and remove bad actors from the platform entirely.

“Getting that time back is worth more than anything. Data is king, but partnership matters just as much. Chargeflow gives us both the insights to fight fraud and the support to keep our community strong.” —Tracy Reeves, Global Director of Trust & Safety, Fanatics.

Chargeback Fraud Intelligence Strategy: Treat Every Dispute as Data

Don’t file disputes. Mine Them.

Most merchants see chargebacks as accounting events. They treat friendly fraud as something to file, report, and move on from. It’s not. They’re intelligence signals.

That’s precisely how winning merchants treat them. Every dispute tells you something about a:

  • Customer
  • Produto
  • Traffic source
  • Vulnerability in your tech stack

When Fanatics implemented chargeback automation, their Trust & Safety team not only improved win rates but also gained maximal visibility to track and remove bad actors.

You too can build that intelligence into your operation:

  • Flag every customer who disputes a transaction.
  • Track overlaps across IP address, device fingerprint, email, and shipping address.
  • Require manual review for flagged profiles before fulfilling high-value orders.
  • In marketplaces: Analyze clustering across product categories and sellers.

The difference between absorbing fraud and reducing it is pattern recognition.

Use chargeback alerts strategically.

Chargeflow alerts leverage Ethoca, Verifi, and proprietary data to give you a window to act before a dispute becomes an actual chargeback.

Refunding every alert is not a strategy. At least not a smart one. Fighting every alert is equally unwise.

Chargeflow customers use the built-in decision framework for evidence-based, informed strategies:

  • Strong, reason-code-specific proof means green light; fight.
  • A weak position may require refunding and restricting the customer.

This system helps you to win what you can, cut losses where you must, and remove repeat offenders. Seriously, merchants who treat chargeback fraud as a systems problem with a systems solution are the ones winning big today.

Chargeback Fraud Tools and How to Use Them: Chargeflow Prevent

The traditional chargeback prevention playbook didn’t disappear. It just stopped being enough.

Here’s why: You can have an airtight fulfillment evidence, mapped reason codes, and a 24-month retention policy, but some chargebacks will still land on your dashboard. Buyer’s remorse has no pre-transaction signature. Repeat offenders adapt. And no internal system can tell you the customer checking out right now has already defrauded eleven other merchants this month. That gap costs you chargeback fees and impacts your ratios.

That’s the blindspot Chargeflow Prevent was built to close.

What Prevent Does

Most fraud tools work at checkout. They screen stolen cards and flag suspicious behavior before money changes hands. That layer still matters. Yet, the inefficiency, as we’ve highlighted, is that it ignores micro trends that point to liarbuyers and digital shoplifting.

Prevent takes this into account. It operates within the micro post-purchase window between a completed transaction and order fulfillment. It cross-references every sale against behavioral data from 30,000+ merchants to identify known abusers before your warehouse ships a single item. The result: Up to 90% average fraud reduction, $5B+ in GMV secured annually, and a false positive below 0.1%.

image.png

The Three Problems Chargeflow Prevent Solves Simultaneously

  • Chargeback fraud: Known chargeback abusers flagged before fulfillment. You cancel, verify, or approve, with full context.
  • Stolen card fraud: Traditional third-party fraud caught at the same layer, making Prevent a unified solution rather than another tool to stack.
  • ]Returns and refund abuse: Serial returners surfaced before they cost you. This is a category most merchants absorb silently because it never appears as a chargeback.

How Prevent Works

The process runs invisibly behind every transaction:

Step 1: Transaction is processed. Your customer checks out normally. No added friction or additional steps. Prevent operates entirely in the background.

Step 2: Prevent engine analyzes the transaction. AI models trained on Chargeflow’s global merchant network evaluate the transaction risk profile. It cross-references device ID, IP address, email, and payment behavior against known fraud patterns across thousands of merchants.

Step 3: Automatic decision. Based on your rules and the real-time risk score, Chargeflow automatically cancels the order, routes it for verification, or approves fulfillment. No manual review queue or operational overhead necessary.

Your first 1,000 scanned transactions are free, and you don’t pay any setup fees.

Final Thoughts on Chargeback Fraud Protection and Management

In 2010, that group of fraud prevention professionals in Vegas had a name for the problem, but no concrete playbook for solving it. Back then, chargeback fraud accounted for approximately 20% of merchant fraud losses. Today, it’s about 75%.

Did merchants stop caring? No. That shift happened because the chargeback system was never designed for a world where the cardholder can be the fraudster.

The system still defaults to believing the customer.

The burden of proof still falls on you, the merchant.

The economics still favor the person disputing the charge over the person who fulfilled the transaction.

None of that has changed. What has changed is this: unlike 2010, you now have the tools to close the structural gap between the transaction you approved and the dispute that arrives six months later.

You can block known chargeback fraud perps before fulfillment, build evidence architecture during transactions, and turn chargebacks into intelligence.

These are no longer optional layers. They are operational requirements.

The question isn’t whether you’ll face chargeback fraud. You will. The question is whether you’ll design your systems to neutralize and take down chargeback fraud, or keep reacting after the damage is done. Contact our sales team for a quick demo on Chargeflow Prevent.

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O que diferencia o Chargeflow do Justt?

O Chargeflow coleta dados de dezenas de fontes externas de forma automática. Isso permite uma cobertura muito maior e taxas de sucesso muito melhores, pois as evidências apresentadas são muito mais abrangentes e convincentes.

Como a Chargeflow combate os estornos?

O Chargeflow coleta dados como informações sobre pedidos, mensagens de clientes e detalhes de pagamento. Ele monta um processo completo de contestação para você, sem que você precise fazer nada.

O Chargeflow consegue lidar com estornos provenientes de vários processadores de pagamento?

Sim! O Chargeflow é compatível com mais de 50 processadores de pagamentos. Isso significa que você tem uma única ferramenta para todos os seus estornos, independentemente da forma como processa os pagamentos.

Como funciona a estrutura de preços da Chargeflow?

Você paga apenas uma porcentagem da receita que ajudamos você a recuperar. Sem taxas iniciais, sem assinaturas — apenas uma estrutura de preços baseada no sucesso.

O Chargeflow é seguro de usar?

Sim. A Chargeflow possui certificações SOC 2 Tipo 2, GDPR e ISO. Utilizamos os mais elevados padrões de segurança para proteger seus dados.

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