# gateway.payment_method.invalid

> For the complete machine-readable documentation index, see [llms.txt](https://apidocs.chargebee.com/llms.txt).


**gateway**

The payment method is invalid. This can happen when the payment method is not accepted, has expired or been deactivated, contains incorrect details, or has been blocked by the issuer.

## Recommended Customer Message

Your payment method is invalid. Please use a different payment method. If you need further assistance, contact support.

## Root Cause[](#root-cause)

-   **Invalid or unsupported payment method:** The selected payment method is not accepted by the merchant or payment gateway.
-   **Expired or deactivated payment method:** The payment method is no longer valid or has been deactivated by the issuer.
-   **Incorrect payment details:** The payment method information provided is incomplete or incorrect.
-   **Payment method blocked:** The issuer or payment gateway has blocked the payment method due to security, risk, or policy reasons.

## Troubleshooting and Solutions[](#troubleshooting-and-solutions)

-   Ask the customer to verify and re-enter valid payment details.
-   Recommend using a different and supported payment method to complete the transaction.
-   Suggest the customer contact the payment method provider or bank to check for any restrictions or deactivation.
-   Remove and re-add the payment method if previously saved details are outdated.
-   Retry the transaction after ensuring the payment method is active and valid.