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Yandex Key Management Service
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  1. Concepts
  2. Quotas and limits

Quotas and limits in Key Management Service

Written by
Yandex Cloud
Updated at May 13, 2026
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Key Management Service has the following limits:

  • Quotas are organizational constraints that can be changed by contacting technical support.
  • Limits are technical constraints of the Yandex Cloud architecture. You cannot change the limits.

If you need more resources, you can increase your quotas in one of the following ways:

  • Make a request to increase your quotas.
  • Contact support and specify which quotas you want increased and by how much.

To have your request processed, you must have the quota-manager.requestOperator role or higher, e.g., editor or admin.

You can manage your quotas with Cloud Quota Manager.

QuotasQuotas

Type of limitation

Value

Number of symmetric keys
kms.keys.count

100

Number of asymmetric encryption keys
kms.asymmetricEncryptionKeys.count

100

Number of asymmetric signature keys
kms.asymmetricSignatureKeys.count

100

LimitsLimits

Type of limitation Value
Number of versions per key 100
Maximum amount of data to encrypt with the encrypt operation 32 KB

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