DigiCert Private CA
5.3#19 in public key infrastructure softwareWebAPILinuxSelf-hosted
VisitDigiCert Private CA vs Let's Encrypt
Let's Encrypt
7.6#3 in public key infrastructure softwareFree planFree planWebAPILinuxmacOS
VisitWhat both publish
| Fact | DigiCert Private CA | Let's Encrypt |
|---|---|---|
| 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. | The ACME protocol verifies control of a domain and is used to issue certificates; clients can automate certificate management and renewal. |
| Integrations | Private CA integrates with existing PKI tools and infrastructure, REST API workflows, and DigiCert Trust Lifecycle Manager. | Hosting providers can obtain and manage certificates for customers through their own ACME clients. |
| Support | DigiCert provides PKI specialists for installation, migration, and other support, with support documents and Monday-Friday 24/7 specialist availability. | Let’s Encrypt does not offer direct subscriber support and points users to its documentation and community support forums. |
DigiCert Private CA plans
- DigiCert Private CAPriced on request
Let's Encrypt plans
- Let's Encrypt certificatesFree
- Short-lived certificatesFree
Pick DigiCert Private CA if…
It suits organizations that need private certificate infrastructure across cloud and on-premises environments, including offline deployments. Its API and hosting choices may appeal to teams automating certificate operations or managing their own infrastructure.
Pick Let's Encrypt if…
Let's Encrypt serves people and organizations worldwide who need certificates for domain-named web, mail, or FTP servers. It suits users able to manage certificates through ACME clients and consult documentation or community forums when needed.