<p>Deletes the specified alias. </p> <note> <p>Adding, deleting, or updating an alias can allow or deny permission to the KMS key. For details, see <a href="https://docs.aws.amazon.com/kms/latest/developerguide/abac.html">ABAC for KMS</a> in the <i>Key Management Service Developer Guide</i>.</p> </note> <p>Because an alias is not a property of a KMS key, you can delete and change the aliases of a KMS key without affecting the KMS key. Also, aliases do not appear in the response from the <a>DescribeKey</a> operation. To get the aliases of all KMS keys, use the <a>ListAliases</a> operation. </p> <p>Each KMS key can have multiple aliases. To change the alias of a KMS key, use <a>DeleteAlias</a> to delete the current alias and <a>CreateAlias</a> to create a new alias. To associate an existing alias with a different KMS key, call <a>UpdateAlias</a>.</p> <p> <b>Cross-account use</b>: No. You cannot perform this operation on an alias in a different Amazon Web Services account.</p> <p> <b>Required permissions</b> </p> <ul> <li> <p> <a href="https://docs.aws.amazon.com/kms/latest/developerguide/kms-api-permissions-reference.html">kms:DeleteAlias</a> on the alias (IAM policy).</p> </li> <li> <p> <a href="https://docs.aws.amazon.com/kms/latest/developerguide/kms-api-permissions-reference.html">kms:DeleteAlias</a> on the KMS key (key policy).</p> </li> </ul> <p>For details, see <a href="https://docs.aws.amazon.com/kms/latest/developerguide/kms-alias.html#alias-access">Controlling access to aliases</a> in the <i>Key Management Service Developer Guide</i>.</p> <p> <b>Related operations:</b> </p> <ul> <li> <p> <a>CreateAlias</a> </p> </li> <li> <p> <a>ListAliases</a> </p> </li> <li> <p> <a>UpdateAlias</a> </p> </li> </ul>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}