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Your AWS managed KMS keys are not charged to you for storage, as long as they are not being used. If they are being used, you'll be billed per API call. Source: https://aws.amazon.com/kms/pricing/
It looks like under "RD", you're referring to the RDS Default Parameter Groups (more on those here: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithParamGroups.html). RDS Parameter Groups are not billed. Source: https://aws.amazon.com/rds/pricing/
answered 3 years ago
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