Hourly billing is now generally available for IBM Cloud Hardware Security Module (HSM).
You can now select hourly billing when setting up your IBM Cloud Hardware Security Module (HSM). IBM Cloud HSM protects the cryptographic infrastructure of some of the most security-conscious organizations in the world by securely managing, processing and storing cryptographic keys inside a tamper-resistant, tamper-evident device, to help solve complex security, compliance, data sovereignty and control challenges associated with migrating and running workloads on the cloud.