A
American Express Network Decline CodesAmex 110
Invalid Amount
Technical
System or connectivity issues
Do Not Retry
Retry will not succeed
Description
The card issuer has declined the transaction due to a format or amount field error.
Recommended Action
Verify the transaction amount and format. Correct any errors and resubmit.
Common Causes
- Invalid amount format in the request
- Amount exceeds issuer limits
- Amount field contains unexpected characters
Recovery Tips
- Validate the amount field before submission
- Ensure proper decimal formatting for the currency
Quick Reference
Code
110
Category
Technical
Retryable
No
Source
Amex
Recoverability verdict
Retrying 110 will not work
This is a hard decline. Retrying code 110 will not recover the payment. But most merchants seeing this code also have soft declines they are not recovering. Check what your retry strategy is leaving behind.
Related Decline Codes
101Non-Retryable
Expired Card / Invalid Expiration Date
The card has expired or the expiration date provided is invalid.
109Non-Retryable
Invalid Merchant
The American Express network does not recognise the merchant with the submitted transaction details. This needs to be investigated by the acquirer or payment service provider.
111Non-Retryable
Invalid Account
The card issuer is unable to find the card or account number. The account may be closed or the number may be incorrect.
115Non-Retryable
Requested Function Not Supported
The card issuer does not support the requested transaction type on this card.