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Certificate Management Service:Purchase an API call package for Certificate Application Repository

Last Updated:Aug 27, 2026

Calling the signing, signature verification, encryption, and decryption APIs of the Certificate Application Repository consumes API call quota. When the quota is depleted, you cannot call the corresponding APIs. This topic describes how to check and purchase API call quota for the Certificate Application Repository.

API call quota

After you create a Certificate Application Repository for the first time, Alibaba Cloud provides 100 free API calls. Each API call consumes one call from the quota.

Check your API call quota

  1. Log in to the Certificate Management Service console.

  2. In the left-side navigation pane, choose Certificate Service > Certificate Application Repository.

  3. On the Certificate Application Repository page, view the total and remaining API call quota in the upper-right corner.

Purchase an API call package

  1. Log in to the Certificate Management Service console.

  2. In the left-side navigation pane, choose Certificate Service > Certificate Application Repository.

  3. On the Certificate Application Repository page, click Purchase Call Quota.

  4. Select the specifications and quantity of the API call package, click Buy Now, and complete the payment.

    Configuration item

    Description

    Certificate Type

    The number of API calls available for the Certificate Application Repository. Each package has a different unit price. The larger the package, the lower the price per call.

    Quantity

    The number of packages to purchase. For example, if you set the quantity to 2 and select a package of 1,000 calls, the total available API calls are 2,000.

After you purchase an API call package for the Certificate Application Repository, you can view the total and remaining API calls in the upper-right corner of the Certificate Application Repository page.

References