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A chargeback is when a customer's bank reverses a payment, returning funds to the customer. It's often initiated when a customer disputes a transaction directly with their bank, rather than with you.

Chargebacks can significantly impact your business through lost revenue, fees, and potential damage to your reputation with payment processors.

Chargebacks typically fall into a few categories:

• Fraud: An unauthorized transaction, often from a stolen card.
• Merchant Error: Issues like incorrect billing, duplicate charges, or failure to deliver goods/services.
• Friendly Fraud: A customer disputes a legitimate charge, sometimes due to forgetfulness or buyer's remorse, pretending it's unauthorized.

Many chargebacks can be prevented with good communication and transparency:

• Use a clear, recognizable billing descriptor so customers know who charged them.
• Have clear and accessible refund and return policies.
• Provide excellent customer support to resolve issues before they escalate to a bank dispute.

For physical goods, always use tracked shipping. For digital products or services, maintain detailed logs.

• Physical Goods: Shipping confirmation, tracking numbers, delivery receipts.
• Digital Goods/Services: Download logs, access timestamps, IP addresses, service usage logs.
• Customer Interaction: Emails, chat logs, support tickets.

This documentation is vital evidence if a dispute arises.

While this lesson focuses on handling disputes, remember that Stripe Radar (covered in an earlier lesson) plays a crucial role in preventing fraudulent transactions from occurring in the first place.

By blocking suspicious payments upfront, Radar significantly reduces the likelihood of fraud-related chargebacks.

Here's how a dispute typically unfolds:

1. Customer disputes a charge with their bank.
2. Bank notifies Stripe of the dispute.
3. Stripe notifies you via email, dashboard, and webhooks.
4. You have a limited time to submit evidence to Stripe.
5. Stripe forwards your evidence to the bank.
6. Bank makes a final decision on the chargeback.

When a dispute occurs, you'll need to gather specific evidence:

• Transaction Details: Date, amount, last 4 digits of card.
• Customer Information: Name, email, shipping address, IP address.
• Proof of Delivery/Fulfillment: Tracking info, usage logs, service access.
• Customer Communications: Emails, chat logs, terms of service acceptance.
• Refund/Cancellation Policy: Showing customer agreed to terms.

You can submit evidence directly through your Stripe Dashboard or programmatically via the API. The API allows for automation and integration with your systems.

This conceptual Python snippet shows how you might update a dispute with evidence:

Your evidence should directly address the card network's reason code for the dispute. A strong response:

• Is concise and factual.
• Includes all relevant documentation.
• Provides a clear narrative explaining your side.
• Highlights proof of customer authorization and receipt of goods/services.

The goal is to convince the bank the charge was legitimate.

After a dispute is resolved, review the outcome. If you lost, understand why:

• Was evidence insufficient?
• Could your policies be clearer?
• Are there patterns indicating a specific fraud type or process flaw?

Use these insights to refine your prevention strategies and improve future responses.

We've explored how to minimize chargebacks by being proactive with clear communication and thorough documentation. We also covered the Stripe dispute process, how to gather and submit compelling evidence, and how to learn from outcomes.

By implementing these strategies, you can reduce financial losses and maintain a healthy payment processing reputation.