If a customer wants to cancel an order, they can request it from you. If you accept their request, the order will be canceled and it will not affect your metrics (Account Health).
How will I know that a customer wants to cancel an order?
1) Amazon Seller Central - In the Amazon administration, you will find the cancellation request for the order.
2) API dokumentace -In the API documentation under the parameter cancelRequest.
3) XML order feed - In the .xml feed with orders under the parameter <cancelRequest>
What to do with an order the customer wants to cancel?
Update Fulfillment using the API
Automatically accept every cancellation request — you can find this option in the settings of the EXPANDO APP.
Manually in Amazon Seller Central
❓Do you need further assistance with Amazon? Contact us at help@expan.do.