AmexProcessing Error
Amex Reason Code P01
Unassigned Card Number
What the cardholder claims
"Card number was not valid at time of charge."
Win rate
20-35%
With proper evidence
Response deadline
120 days
From dispute filing
Required evidence (in priority order)
- 1
authorization_code - 2
receipt
Response strategy
Provide authorization code proving card was approved at transaction time.
Stripe category
generalStripe maps this network-level code to this simplified category.
Responding to this chargeback?
Rebutto packages these exact evidence fields into the format Stripe requires. First dispute free on the Shopify App, or $9.99 on the web tool.