---
title: Manage asynchronous processing
url: amazon-pay-checkout/v1-asynchronous-processing.html
---

Some Amazon transactions are processed asynchronously, but only if specific conditions are met:

* Payment authorization - `canHandlePendingAuthorization` parameter is set to true on [Update Checkout Session](../amazon-pay-api-v2/v1-checkout-session.html) or [Create Charge](../amazon-pay-api-v2/v1-charge.html)
* Payment capture - payment is captured more than 7 days after authorization
* Refunds - all refunds are processed asynchronously

If a transaction is processed asynchronously, Amazon Pay will return an object in an initiated state until processing is complete. To determine if the operation was successful, you must either [Set up Instant Payment Notifications](../amazon-pay-checkout/v1-set-up-instant-payment-notifications.html), or implement a polling mechanism to query the respective GET API for updates. 

If you plan on polling for updates, we recommend making a request once every hour. You can adjust the interval to meet your business requirements.