This topic provides answers to some frequently asked questions about the billing of Key Management Service (KMS).
Questions
Does KMS support free trials?
Yes. For more information, see Free Tier.
Does the billing for a KMS instance stop after the KMS instance is expired?
Yes, the billing for a KMS instance stops after the KMS instance is expired.
Can I unsubscribe from a KMS instance?
Yes, you can request a partial refund for KMS instances that are in the Disabled and Enabled states. You can also cancel pending renewal orders. For more information, see Billing.