Sectigo ACME Certificate-as-a-Service (CaaS) is the new way to issue, install, and manage SSL certificates. Built to work with the industry-standard ACME (Automatic Certificate Management Environment) protocol, Sectigo ACME CaaS allows your servers to connect directly with Sectigo's Certificate Authority (CA) to automatically deploy as many certificates as needed to ensure your domain (website) always stays secure:
Fully automated. Completely eliminates the manual work of requesting, validating, issuing, deploying, installing, and renewing SSL certificates.
Automatic renewals. No need to track expiration dates or worry about website downtime. Your certificate is automatically renewed and reinstalled on your server before it expires.
Ready for shorter certificates. Very soon, all SSL certificates will be 47-day certificates—CaaS automatically updates your certificates as often as necessary, so you don’t have to worry about expirations or renewals.
Simpler billing. You pay per domain, not per certificate; issue as many certificates as you need without paying more.
The best part? It’s fast and easy to set up with pre-built ACME agents that support most server types.
How it Works
Once your server is configured with an ACME-compatible client, CaaS will:
Automatically prove domain ownership (via HTTP-01 or DNS-01 challenges)
Automatically request & install certificates as needed
Automatically renew & replace certificates before expiration — no further manual work required after setup
This direct, server-to-CA communication ensures continuous encryption, eliminates renewal gaps, and reduces operational risk — without relying on calendar reminders or human intervention.
Built for Your Existing Infrastructure
Sectigo ACME CaaS integrates with any environment that supports ACME clients, including:
Web Servers- Compatible with web servers running NGINX, Apache, IIS, Caddy, and more
VPS/Cloud Hosting – Works with any VPS hosting plan that provides you root/admin access, including AWS EC2, AWS Lightsail, DigitalOcean, Google Cloud Compute, Azure VM, GoDaddy VPS, Linode, and many others
Containers - Works with Docker and Kubernetes
Web Hosting Control Panels - Works with cPanel and Plesk (your hosting plan must enable SSH access)
Custom Environments – Running a complex, customized platform? Easily automate SSL certificates in your systems with ACME libraries available for Go, Python, .NET, PHP, etc.
Manual SSL Management vs. Sectigo ACME CaaS Automation
Traditional SSL management is time-consuming and error-prone — and with SSL certificate lifespans getting shorter, it’s getting harder to keep up.
Here's how Sectigo ACME CaaS transforms SSL management:
ACME Automation
Regular SSL
Manual SSL ManagementManual SSL Management
Automated with Sectigo ACME CaaSAutomated with Sectigo ACME CaaS
General Features
General Features
Certificate Issuance and Installation
Certificate Issuance and Installation
Manually generate and submit CSRs, validate domains, install renewed certificates
Run install command and ACME client automatically handles each step
Renewal Process
Renewal Process
Manually renew, validate, issue, and install certificate
Renewals are handled automatically without any action needed
Low Effort — ACME agents can easily be configured to automate one or many certificates
Adaptation to Shorter Lifespans
Adaptation to Shorter Lifespans
Will soon require manually renewing and reinstalling certificates every month
Automatically renews and updates your certificates so lifespan doesn’t matter (even when it drops to 47 days)
Whether you're securing a single website or an entire network, Sectigo ACME Certificate-as-a-Service (CaaS) delivers scalable, fully automated SSL management that adapts to any certificate validity period — even as lifespans continue to shrink:
SSL/TLS Certificate Validity Chages (2026-2029)
Today 2025
398 Days Certificate Validity
March 2026
200 Days Certificate Validity
March 2027
100 Days Certificate Validity
March 2029
47 Days Certificate Validity
Eliminate Manual Renewals
Never worry about tracking expiration dates or last-minute renewals again. Sectigo ACME CaaS
automates SSL renewals, ensuring your certificates are always up to date without manual
effort.
Reduce Downtime Risks
Expired certificates can cause costly service disruptions. Sectigo ACME CaaS eliminates this
risk by automating SSL renewals, preventing downtime and security lapses. With ACME
integration, your certificates will always be renewed before expiration, keeping your
business online and protected.
Future-Proof Security
Stay ahead of evolving security standards with automated renewals for 90-day certificates. As
shorter lifespans become the norm, Sectigo ACME CaaS ensures continuous protection and
compliance without the need for manual intervention, keeping your encryption strong and
always up to date.
Scale with Growth
Managing certificates (whether it’s 1 certificate or 1,000 certificates) doesn’t have to be
complex. Sectigo ACME CaaS streamlines SSL deployment and lifecycle management, allowing you
to scale effortlessly. Automate issuance, renewal, and revocation without increasing
workload.
Easy Setup & Integration
Deploy SSL certificates effortlessly with step-by-step installation guidance tailored to your
server environment and web server software. Just choose your website’s technical environment
and we’ll walk you through a simple process to get your SSL certificate installed with just
a few commands—no manual configuration.
Sectigo Certificate-as-a-Service is compatible with many different server/hosting
environments, including:
Web Servers - Compatible with web servers running NGINX, Apache, IIS, Caddy, and
more
VPS/Cloud Hostings – Works with any VPS hosting plan that provides you root/admin
access, including AWS EC2, AWS Lightsail, DigitalOcean, Google Cloud Compute, Azure VM,
GoDaddy VPS, Linode, and many others
Containers - Works with Docker and Kubernetes
Web Hosting Control Panels - Works with cPanel and Plesk (your hosting plan must
enable SSH access)
Maximize efficiency, unlock revenue growth
We provide a powerful API that empowers our resellers to automate ACME and resell certificates with
exceptional efficiency and ease.
Reduce manual workload
Scale certificate services without proportional resource increase
Cut certificate management costs
Transform certificate management from a cost center to profit driver
What is Sectigo ACME Certificate as a Service (CaaS)?
Sectigo CaaS is a subscription-based service that automates SSL/TLS certificate management.
It allows businesses to issue, renew, and manage SSL certificates effortlessly using the
ACME protocol.
How does Sectigo ACME CaaS differ from traditional SSL certificates?
Sectigo ACME CaaS automates SSL certificate management using ACME, eliminating manual
installation, renewal, and tracking. Unlike traditional SSL certificates, which require
manual installation and expiration tracking, Sectigo ACME CaaS ensures continuous security
with automatic renewals, reducing downtime risks and human error.
Which ACME clients are supported?
Sectigo ACME CaaS is compatible with any ACME-compatible client, including:
Certbot – Recommended for Linux, Windows, and macOS environments
acme.sh – A shell-based client suitable for advanced users
Posh-ACME– Ideal for Windows PowerShell users
win-acme – For Windows/IIS environments
cert-manager – Designed for Kubernetes-based environments
Can I use Sectigo ACME CaaS without an ACME client?
No, Sectigo CaaS requires an ACME client for certificate issuance and management. Customers
who need manual SSL installation should consider traditional SSL products.
Do I need full administrative access to my server or hosting environment?
In most cases, to use Sectigo ACME CaaS, you need administrative (root or sudo) access to
your web server or cloud environment to install and manage SSL certificates. This service is
best suited for:
Self-hosted servers (Apache, NGINX, IIS)
Cloud environments (AWS, Azure, Google Cloud)
Kubernetes deployments
Can I use Sectigo ACME CaaS on shared hosting?
You can use Sectigo ACME CaaS if your hosting provider offers:
SSH access – Needed to run ACME clients like Certbot or acme.sh.
Custom SSL installation – Your hosting control panel (e.g., cPanel, Plesk) allows you to
upload SSL certificates.
Cron jobs or scheduled tasks – Enables automated ACME renewals.
Get a Domain Validation SSL certificate within just 5 minutes using our friendly and automated system. No paperwork, callback or company required.
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