List of ErrorsThe payment failed because one or more parameters in the payment request are invalid. This can include incorrect card information, missing or malformed billing details, or unsupported payment method parameters.

Root Cause

• Incorrect card information: The card number, expiration date, or CVV is invalid.
• Invalid billing information: Required fields like billing address, postal code, or country are missing or incorrectly formatted.
• Unsupported payment method parameters: Parameters provided do not match the gateway's expected formats or supported payment methods.
• Incorrect API payload: Your system sent an invalid request to the payment gateway.

Troubleshooting and Solutions

• Inform the customer that their payment failed due to invalid payment details.
• Ask the customer to verify and re-enter their payment information carefully.
• Ask the customer to ensure all required fields, such as card number, CVV, expiration date, and billing address, are correct and valid.
• If the issue persists, recommend trying an alternative payment method.
• Refer to your gateway documentation to identify the specific invalid parameter.
• Ensure that the transaction payload sent to the gateway matches the expected formats to avoid repeated failures.