Incomplete or invalid transaction data: Required payment information was missing or incorrectly formatted.
System-level disruptions: Internal processing failures at the payment gateway or merchant platform.
Data transmission errors: Connectivity issues leading to corrupted or incomplete transaction payloads.
Incorrect integration logic: Errors in the way transaction requests are assembled or transmitted to the gateway.
Inform the customer that their transaction failed due to incorrect processing.
Internally:
Review the transaction submission logs for missing, incorrect, or malformed data.
Confirm system stability and connectivity during the transaction attempt.
Ask the customer to:
Retry the transaction after verifying their payment details.
Use a different payment method if issues persist.
Consult the gateway documentation and support teams to troubleshoot deeper integration or service issues if systemic patterns are observed.