# Payment Method Updater

Zuora Payment Method Updater (PMU) enables merchants to automatically incorporate changes made to a customer's credit cards. For more information about Zuora PMU, see <a href="https://knowledgecenter.zuora.com/Zuora_Payments/Payment_Method_Updater" target="_blank">Payment Method Updater</a>.


## List Payment Method Updater instances

 - [GET /v1/payment-method-updaters](https://developer.zuora.com/v1-api-reference/api/payment-method-updater/get_paymentmethodupdaterinstances.md): Retrieves the detailed information of all Payment Method Updater (PMU) instances on your tenant, except for American Express (AMEX).

## Create a Payment Method Updater batch asynchronously

 - [POST /v1/payment-method-updaters/batches](https://developer.zuora.com/v1-api-reference/api/payment-method-updater/post_paymentmethodupdaterbatch.md): Creates a Payment Method Updater (PMU) batch asynchronously. PMU for American Express (AMEX) is not supported.