Best Automatic SSL Products in 2026

Custom Domains & Domain Purchasing API for SaaS.

Key Domainee.dev features:

One-CNAME setup with automatic SSL Buy-a-Domain API Stripe-shaped REST API Full domain lifecycle endpoints

freemium

Ship e-signatures in your app today, ~5¢ per envelope (€0.049) .

Key Firma.dev features:

Pricing Integration Time Compliance Customer Workspaces

Try for free freemium $0.49 (Only $0.049 per envelope, no minimums, no contracts.) Sponsored

Reliably automate custom domains at scale with SSL for SAAS, marketplaces, platform, and web apps.

Key Approximated features:

Dedicated clusters Dedicated IPv4 per cluster Globally distributed cluster nodes for low latency Automatic SSL certificate provisioning/renewal

paid Free Trial $20 / Monthly ($20 minimum, 20 cents per custom domain, volume discounts)

Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.

Key CloudFlare features:

Security Performance Reliability Scalability

The easiest solution for offering branded custom domains and white-labelling to your customers. Secure, reliable, and scalable.

Key SaaS Custom Domains features:

Easy Setup Brand Identity Scalability Security Features

freemium

Custom domains API for B2B SaaS: one API call, one DNS record from your customer, and their domain is live on HTTPS. Free for 20 domains.

Key Apexly.dev features:

Apex domains Customer connect page SSL Certificates Webhooks

freemium $15 / Monthly (Pay as you go: 100 domains, then $0.15/domain)

SSL certificates that renew and deploy themselves. LapseZero pushes Let's Encrypt certificates to your Nginx servers, AWS CloudFront and load balancers, with no deploy scripts to maintain and no DNS API keys to hand over. Free plan, no card needed.

Key LapseZero features:

Automatic renewal Auto-deploy to servers Cloud and CDN deployment Open-source deployment agent

freemium $3 / Monthly (Pro)

URL redirect management for all your domains. Automatic HTTPS, path rules, bulk import, analytics, SSO and an API. Also dynamic QR codes, branded short links and landing pages. From $12/month, free trial.

Key SiteDetour features:

Automatic HTTPS (SSL) Path and query-string rules Teams, SSO and API

paid Free Trial $12 / Monthly

Link management service for URL redirects, branded links and QR codes for IT, marketing and SEO teams.

Key Urllo features:

Ease of Use Reliable Performance Comprehensive Reporting Custom Domain Support

paid Free Trial $9 / Monthly (Personal Plan)

Automatically enable HTTPS on your website with EFF's Certbot, deploying Let's Encrypt certificates.

Key Certbot features:

Free of Charge Ease of Use Security Wide Compatibility

Open Source

Entri is the API for custom domains. We make it easy for your application to connect, secure, sell, and power custom domains.

Key Entri features:

Automatic DNS configuraiton Third-party DKIM support SPF configuration DMARC validation

freemium $249 / Monthly (for Startup Connect (up to 50 connections/month))

Get peace of mind when redirecting your domains without the burden of hosting them. We handle the redirect process with full HTTPS support and API compatibility. Enter your domain names and we'll take care of the rest.

Key redirect.pizza features:

Automatic HTTPS Analytics Team support Easy DNS setup

freemium

Free Domain and URL Redirection. Forward any FQDN to an HTTP/HTTPS URL for subdomain redirection, domain parking, vanity URLs, domain consolidation.

Key freedirector.io features:

Cost-Effective User-Friendly Interface Collaboration Features

A pure Unix shell script implementing ACME client protocol and deploying SSL certificates.

Key acme.sh features:

Ease of Use Wide Platform Support Supports Various DNS Providers Automatic Renewal