List of free ACME SSL providers

Please note that many ACME clients only support Let’s Encrypt. Certbot should work with alternative ACME providers. Buypass Go SSL Norwegian certificate authority offering free SSL certificates valid for 180 days ( Technical specifications). No wildcard certificates. ACME directory url: https://api.buypass.com/acme/directory Chains up to " Buypass Class 2 Root CA" valid until 2040 DNS CAA: buypass.com Rate limits: 20 per registered domain/week, 5 duplicate certificates/week. Example commands for Certbot / acme.sh: # Certbot certbot register -m 'YOUR_EMAIL' --agree-tos \ --server 'https://api.buypass.com/acme/directory' certbot certonly --webroot -w /var/www/example.com/public_html/ \ -d example.com -d www.example.com \ --server 'https://api.buypass.com/acme/directory' # acme.sh acme.sh --server https://api.buypass.com/acme/directory \ --register-account --accountemail [email protected] acme.sh --server https://api.buypass.com/acme/directory \ --issue -d example.com -d www.example.com \ --webroot /var/www/example.com/public_html/ \ --days 170 Let’s Encrypt US based certificate authority offering free certificates valid for 90 days. Currently default in most ACME clients (certbot, acme.sh etc.). ...

June 30, 2020