AWS Key Management Service Pricing in 2026
Every plan AWS Key Management Service publishes, with the page and date we read it from. Prices we could not find on AWS Key Management Service's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| AWS KMS | $1 per month | $1/month (prorated hourly) per KMS key; API requests are charged separately | 20,000 requests/month free tier across Regions; asymmetric-key requests and specified key-pair operations are excluded | aws.amazon.com |
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