I have a charge for customer master keys (CMKs) on my Amazon Web Services (AWS) bill. What are these charges for?

Customer master keys (CMKs) are used with the AWS Key Management Service.

You are charged for all active or disabled keys on your account that you create. Any CMKs created automatically by AWS services as part of their function are free of charge.

To stop CMK-related charges on your account, delete the CMK. Note that any services you configured that use the CMK as part of their function might be affected.

Did this page help you? Yes | No

Back to the AWS Support Knowledge Center

Need help? Visit the AWS Support Center

Published: 2016-07-18

Updated: 2018-09-26