ZeroSSL

ZeroSSL is an Austrian Certificate Authority (CA) that provides a direct way to issue and manage SSL/TLS certificates. It is built for developers and businesses that need to secure websites and backend systems without complex manual processes, putting a strong emphasis on automation.

The platform allows you to get free 90-day certificates for any domain and automate the entire lifecycle using standard ACME clients or its REST API. This is useful for managing multiple certificates or integrating security directly into deployment pipelines.

Key features include:

• Free 90-Day Certificates: Secure unlimited websites at no cost.
• ACME Integrations: Use your favorite ACME client for full automation.
• REST API: Programmatically manage certificates, CSRs, and validation.
• Fast Validation: Verify domain ownership via email, HTTP upload, or CNAME record.
• SSL Monitoring: Receive alerts about certificate status and expiration.