What the cardholder is claiming
“This charge didn’t have a valid approval.”
4808 covers several authorization problems in one code; your approval record — code, amount and date — answers most of them.
Evidence that wins a Mastercard 4808 chargeback
Start with the required items — they answer the claim directly. Recommended items make a borderline case stronger.
Valid authorization Required
The authorization approval code, date and amount for this transaction.
How to respond to a Mastercard 4808 dispute
- 1
Check the due date in your processor’s dispute dashboard. Responses that arrive late lose, however strong they are.
- 2
Collect the required evidence: valid authorization.
- 3
Write a short response that answers the cardholder’s claim point by point, and cite the exact document and page behind each point.
- 4
Combine it into one clean package and submit it through your processor’s dispute portal.
Why Mastercard 4808 chargebacks happen
- A declined authorization was pushed through anyway.
- The order was captured after its authorization had expired.
- The final amount or a split shipment went beyond what was authorized.
How to prevent them
- Never force a declined transaction through.
- Capture within the authorization’s validity, or re-authorize before you ship late.
- Get a new authorization when the amount changes.
Mastercard 4808 chargeback FAQ
- What does Mastercard reason code 4808 mean?
- Authorization-Related Chargeback. Mastercard’s authorization-related chargeback: the transaction wasn’t properly authorised, was declined, or the authorization didn’t cover the amount or date charged.
- What evidence do I need to win a Mastercard 4808 chargeback?
- Required: valid authorization.
- How do I respond to a Mastercard 4808 chargeback?
- Gather the evidence above, write a response that answers the cardholder’s claim point by point and ties each point to a document, and submit it through your processor’s dispute portal before the due date shown there. Chargeback Warden checks your evidence against the Mastercard 4808 checklist and drafts the cited response for you to approve.