Caddy - The Ultimate Server with Automatic HTTPS
From the collection
Best Development Tools & Libraries
From the collection
Best Development Tools & Libraries
The secret sauce of almost every white-label SaaS is Caddy's original On-Demand TLS feature. Grow your SaaS business by orders of magnitude with ease!
Dynamically provision certificates
With On-Demand TLS, only Caddy obtains, renews, and maintains certificates on-the-fly during TLS handshakes. Perfect for customer-owned domains.
Massively scale your TLS
Other web servers and scripted certificate tools fall over with hundreds of thousands of sites or thousands of instances. Caddy is designed to manage certificates reliably at this scale.