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

Randomly.online is a growing collection of fast, privacy-friendly online tools for developers, creators - image tools, students, and everyday users, including text tools, calculators, converters, PDF utilities, SEO tools, and productivity solutions.

Key Randomly.online features:

PDF tools Image Tools Text tools Calculators

Visit website free

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

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)

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

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))

Vercel is the platform for frontend developers, providing the speed and reliability innovators need to create at the moment of inspiration.

Key Vercel features:

Easy Deployment Fast Performance Serverless Functions Integration with Next.js