MastercardAuthorizationUpdated June 2026

Mastercard Reason Code 4808: Authorization-Related Chargeback

The transaction lacked a valid authorization, or the authorization was declined or expired.

Respond within ~45 days
Winnable with strong evidence

Your strongest argument

A valid, unexpired authorization approval code covered this transaction at settlement.

Evidence that wins a Mastercard 4808 dispute

  • Valid authorization approval code for the transaction
  • Records the authorization was obtained and not expired at settlement

Ordered strongest first — lead your rebuttal with the items at the top.

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How processors label this dispute

ProcessorWhat you'll see
Stripereason: general (authorization)

Where to pull this evidence

Prove the genuine cardholder made and benefited from the purchase. Authentication data wins these. Here's exactly where the relevant records live in each processor dashboard — gather them free before you build your pack.

Stripe

Dashboard → Payments → Disputes (or the email alert from Stripe).

  • AVS & CVC check results: Open the original payment → Payment details → "Checks" (CVC, ZIP, address).
  • Customer email, IP, and device: Payment → Customer section and the "Risk insights" / Radar panel.
  • Receipt / order confirmation: Payment → "Send receipt" or your order-management system; export the PDF.
  • Refund history & reference IDs: Payment → Timeline shows any refunds with their re_… reference IDs.

Shopify Payments

Shopify admin → Orders → the flagged order → "Chargeback" banner, or Settings → Payments → Manage disputes.

  • Order & fulfillment details: Orders → the order → Fulfillment + Timeline (shows when items shipped).
  • Tracking number & carrier: Orders → Fulfillment → tracking; confirm "Delivered" status with the carrier.
  • Customer info & IP: Order → Customer section; Order → Additional details / fraud analysis for IP and AVS/CVV.
  • Fraud analysis (AVS/CVV/risk): Order → "Fraud analysis" panel shows AVS, CVV, and Shopify’s risk indicators.

Square

Square Dashboard → Disputes (or Balance → Disputes), or the email from Square.

  • Transaction & receipt: Transactions → the payment → receipt; "Resend receipt" for a copy.
  • Card-present / chip details: Transaction detail shows entry method (chip, tap, keyed) — chip reads support card-present disputes.
  • Customer details: Customer Directory → the customer; or the transaction’s customer section.
  • Itemization & amount: Transaction → itemized breakdown to rebut "incorrect amount" claims.

PayPal

PayPal → Resolution Center → the open case (Dispute, Claim, or Chargeback).

  • Transaction details & ID: Activity → the transaction → details; note the Transaction ID.
  • Proof of delivery / tracking: Resolution Center → "Respond" → add tracking number + carrier (PayPal validates delivery).
  • Proof of shipment / service: Resolution Center evidence upload: invoice, shipment receipt, or service-completion proof.
  • Buyer communication: Resolution Center message thread + your own email records with the buyer.

Build a submission-ready Mastercard 4808 response

ChargebackKit assembles your evidence into a formatted, labeled rebuttal pack with the exhibits and response letter card networks expect — pre-mapped to Fraudulent / Unauthorized disputes.

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Or run the free readiness check first.

Frequently asked questions

What is Mastercard reason code 4808?
Mastercard 4808 ("Authorization-Related Chargeback") is filed when a transaction lacked a valid authorization or used a declined/expired one.
How do I respond to a 4808?
Provide the authorization approval code and proof the authorization was valid and unexpired when the transaction settled.
How do I prevent 4808?
Always settle against a fresh, approved authorization and never force-post declined transactions.

Where to go next

Build the pack for Fraudulent / Unauthorized disputes, or dig into the matching guide, template, and processor evidence requirements.

Updated June 2026. Reason-code meanings and evidence requirements are sourced from card network documentation and may change; always check your processor dashboard for the exact deadline and label on your dispute.