<p>This is documentation for <b>AWS CloudHSM Classic</b>. For more information, see <a href="http://aws.amazon.com/cloudhsm/faqs-classic/">AWS CloudHSM Classic FAQs</a>, the <a href="https://docs.aws.amazon.com/cloudhsm/classic/userguide/">AWS CloudHSM Classic User Guide</a>, and the <a href="https://docs.aws.amazon.com/cloudhsm/classic/APIReference/">AWS CloudHSM Classic API Reference</a>.</p> <p> <b>For information about the current version of AWS CloudHSM</b>, see <a href="http://aws.amazon.com/cloudhsm/">AWS CloudHSM</a>, the <a href="https://docs.aws.amazon.com/cloudhsm/latest/userguide/">AWS CloudHSM User Guide</a>, and the <a href="https://docs.aws.amazon.com/cloudhsm/latest/APIReference/">AWS CloudHSM API Reference</a>.</p> <p>Creates an uninitialized HSM instance.</p> <p>There is an upfront fee charged for each HSM instance that you create with the <code>CreateHsm</code> operation. If you accidentally provision an HSM and want to request a refund, delete the instance using the <a>DeleteHsm</a> operation, go to the <a href="https://console.aws.amazon.com/support/home">AWS Support Center</a>, create a new case, and select <b>Account and Billing Support</b>.</p> <important> <p>It can take up to 20 minutes to create and provision an HSM. You can monitor the status of the HSM with the <a>DescribeHsm</a> operation. The HSM is ready to be initialized when the status changes to <code>RUNNING</code>.</p> </important>

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

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