No. 10 of 25 ·Public Key Infrastructure Software

DigiCert Private CA

Web · Linux · Self-hosted · API

Freedom report

One barScore 5.5

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

DigiCert Private CA is ranked #10 of 25 in public key infrastructure software on Freedom251. It runs on API, Linux, Self-hosted, Web.

DigiCert Private CA plans and pricing

All plans

DigiCert Private CA Not published subscription licensing model Private root, intermediate CA, and end-entity certificate licenses · DigiCert-hosted soft limits with overages · On-premises hard limits docs.digicert.com · 1 Oct 2026

Compared on public key infrastructure software

Deployment model: hybrid
ACME support: Yes
SCEP support: Yes
EST support: Yes
HSM integration: Yes
Certificate profiles: Yes

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The record

Purpose: DigiCert Private CA builds and operates privately trusted PKI for an organization’s users, devices, applications, and digital assets across on-premises and cloud environments.
Private trust: Certificates issued by a private PKI are trusted only within the organization’s systems.
Deployment: Private CA is available in DigiCert-hosted and customer-hosted deployment models.
Air-gapped use: Customer-hosted deployments support offline or air-gapped certificate authorities.
CA lifecycle: The service supports root and intermediate CA creation, HSM integration, CRL and OCSP configuration, enrollment protocols, and end-entity certificate issuance.
Scale: DigiCert says Private CA can issue and manage billions of certificates.
Automation: The Private CA API can create, import, and recertify root and intermediate CAs, configure CRL and OCSP responders, manage templates, and monitor audit logs.
API authentication: The API supports service-user API tokens and mutual TLS authentication.
Security: DigiCert lists FIPS 140-2 Level 3 HSM key protection, role-based access, and full audit logging.
Integrations: Private CA integrates with existing PKI tools and infrastructure, REST API workflows, and DigiCert Trust Lifecycle Manager.
Access control: API-only service users can be created for automated workflows and integrations and cannot sign in to the user interface.
Support: DigiCert provides PKI specialists for installation, migration, and other support, with support documents and Monday-Friday 24/7 specialist availability.

Where it ranks on Freedom251

Best Public Key Infrastructure Software in 2026#10 of 25

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Sources

docs.digicert.com/en/digicert-private-ca.html· checked 1 Oct 2026
docs.digicert.com/en/trust-architecture-playbook/issuance· checked 1 Oct 2026
digicert.com/private-ca· checked 1 Oct 2026
dev.digicert.com/digicert-private-ca-api.html· checked 1 Oct 2026
docs.digicert.com/en/digicert-private-ca/manage-users.htm· checked 1 Oct 2026
digicert.com/support/pki-support· checked 1 Oct 2026
docs.digicert.com/pt/platform-overview/understand-the-dig· checked 1 Oct 2026