ToolerCat / Decline Codes / Decline code 13 — Invalid amount

Decline code 13 — Invalid amount

ISO 8583 response code 13.

Code
13 ISO 8583
Meaning
Invalid amount
Type
hard decline
Retry?
No (fix amount)
What to do
Check amount format, currency exponent (e.g. JPY has 0 decimals), zero/negative amounts.
Tell the customer
“The amount is not valid.”

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