A
Authorize.netAuthorize 318
Duplicate Transaction (Processor)
Technical
System or connectivity issues
Do Not Retry
Retry will not succeed
Description
A duplicate transaction has been submitted. This is a processor-issued duplicate detection.
Recommended Action
Wait before retrying. Check if the original transaction was processed successfully.
Common Causes
- Identical transaction submitted too quickly
- Processor-level duplicate detection triggered
Recovery Tips
- Implement idempotency in your payment flow
- Check the status of the original transaction before retrying
Quick Reference
Code
318
Category
Technical
Retryable
No
Source
Authorize
Related Decline Codes
4Non-Retryable
Pick Up Card
The issuer has flagged this card for pickup. This typically indicates the card has been reported lost, stolen, or is associated with fraud.
5Non-Retryable
Invalid Amount
The transaction amount is invalid. A valid numeric amount is required.
6Non-Retryable
Invalid Credit Card Number
The credit card number provided is invalid. The number did not pass basic validation checks.
7Non-Retryable
Invalid Expiration Date
The credit card expiration date format is invalid.
Authorize 318 recovery
Recover more payments like Authorize 318
Slicker handles codes like 318 by combining decline reason, issuer behavior, BIN data, and timing signals to choose the next best recovery action.
Analyze this in our payment data