About Caddy
Caddy is a web server that automatically provisions TLS certificates for sites. It serves developers, operators, and SaaS teams seeking secure, automated HTTPS and reliable hosting at scale.
Key Features
When you’re running hundreds or thousands of domains, certificate management is the bottleneck. Caddy automates TLS provisioning and renewal across deployments, letting operators ship secure sites without manual cert work:
On-Demand TLS
Automatically obtains, renews, and maintains certificates on-the-fly during TLS handshakes, ideal for customer-owned domains.
Automatic TLS provisioning
By default, Caddy automatically obtains and renews TLS certificates for all sites.
Massive TLS scalability
Designed to manage certificates reliably at scale across hundreds of thousands of sites or thousands of instances.
Summary
Best for DevOps teams, managed hosting providers, and SaaS teams serving customer-owned domains.
