Billing Overview
Last updated: 2025-10-15 15:59:49
Key Management Service (KMS) offers Pro Edition and Dedicated Edition, two paid editions.
Pro Edition
The Professional Edition adopts an annual and monthly subscription billing mode. It is a cloud-based Key Management Service (KMS) featuring a physical cryptographic device cluster architecture, providing lifecycle management for keys (including key creation, activation, and deactivation). It supports seamless integration with Tencent Cloud products to enable transparent data encryption.
The Professional Edition includes 1,000 Customer Master Keys (CMK) and 5 Data Encryption Keys (DEK). Specific billing details are as follows:
Specification Name | Description | Unit Price | Billing Cycle |
Pro Edition | Support managing 1,000 CMKs and 5 DEKs | USD 1,288 | Monthly |
DEK expansion package (minimum 1,000 units) | 0 – 1,000 units (1,000 inclusive) | USD 0.42 per unit | Monthly |
| 1,001 – 10,000 units (10,000 inclusive) | USD 0.14 per unit | Monthly |
| 10,001 – 100,000 units (100,000 inclusive) | USD 0.05 per unit | Monthly |
| Over 100,000 units | USD 0.02 per unit | Monthly |
Dedicated Edition
The Dedicated Edition is a cloud-based key management service dedicated to a single physical cryptographic device, and encryption operations are performed in this dedicated physical cryptographic device.
Specification Name | Description | Unit Price (USD) | Billing Cycle |
Dedicated Edition | Supports management of 1,000 CMKs Exclusive physical cryptographic device resources | Year |
Note
Since the procurement of physical cryptographic devices involves logistics and transportation as well as the coordination of computer room slots, please reserve a delivery time of at least 3 months.
Key Management Service (Old Billing)
Note:
Key Management Service (KMS) will no longer support Old Billing for new purchasers starting from March 14, 2025.
KMS (Old Billing) offers a basic version and a standard version. The basic version uses the annual/monthly subscription payment mode, and the standard version uses the pay-as-you-go billing mode.
Item | Description | Price (USD) | Billing Cycle |
Basic Edition | Supports management of 200 CMKs | 420 | Month |
The Key Management Service (pay-as-you-go mode) consists of CMK storage fees and API call fees, as shown in the following table:
Item | Price | |
CMK storage | Tencent Cloud managed CMKs | Free |
| Customer managed CMKs | 0.06 USD/key/day |
API calls | First 20,000 calls | Free |
| API calls | 0.18 USD/10,000 calls |
Settlement cycle
Key Management Service (Old Billing) supports the pay-as-you-go billing method on a monthly basis. The fees for one month are calculated and deducted on the 3rd to 5th days of the following month.
CMK storage fees
This refers to the fees for storing the CMKs created in KMS. The CMK storage fees are billed daily according to the total number of CMKs under a specified.
Tencent Cloud managed CMKs: free of charge. A Tencent Cloud managed CMK is automatically created for you when a Tencent Cloud product (such as COS or TDSQL) calls the KMS service.
Customer managed CMKs: 0.06 USD/key/day. A customer managed CMK is actively created by you in the console or via an API call.
Note:
Limits: each account can have up to 200 CMKs per region (excluding Tencent Cloud managed CMKs and the ones in Scheduled deletion status). If you need to create more CMKs, please submit a ticket or contact your Tencent Cloud sales rep.
CMK billing status: the customer managed CMKs in Scheduled deletion status are not billed.
API call fees
KMS provides a free tier of 20,000 API calls. After the free tier is used up, API calls will be billed monthly, that is, the cumulative API calls under a specified account in one month will be billed monthly.
API calls: 0.18 USD/10,000 calls, billed monthly.
Note:
If there are less than 1000 API calls, fees will be billed for 1000 calls.
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