Frequently Asked Questions

• Is ZeroSSL a certificate authority?

  Yes, any SSL certificates purchased through ZeroSSL will come with ZeroSSL listed as the official certificate authority. Our certificates have great coverage and are used by thousands of companies worldwide.

• Why not just use Let's Encrypt?

  ZeroSSL comes with significant advantages compared to Let's Encrypt, including access to a fully-featured SSL management console, an REST API for SSL management, SSL monitoring, and more.

• Can I upgrade, downgrade and cancel anytime?

  Yes, your subscription plan can be upgraded, downgraded or canceled at any time. Upgrades are effective immediately and downgrades come into effect at the end of the current billing period.

• Do I need a credit card?

  To get started using the Free Plan, a credit card will not be required. Should you decide to switch to a more powerful subscription plan, you can add your billing details easily using your account dashboard.

• What if I need more than what's listed above?

  The subscription plans shown above are just the start. In case your requirements go beyond a few 1-year certificates, you can always reach out to request a quote using our contact form.

• Who's there when I need help?

  We are — if you ever have any questions or concerns, need technical support or help getting started with ZeroSSL, just send us a message using the contact form and our support team will be with you shortly.

• What about ACME?

  If you have a server or other device that requires automatic issuance of certificates and supports the ACME protocol, you can use our free 90-day ACME certificates on all plans.

• What is ZeroSSL Protect?

  ZeroSSL Protect provides advanced monitoring and a security toolkit to safeguard websites from threats such as malware, blacklisting, and data breaches. It is a paid add-on for domains with certificates issued through ZeroSSL.

• Surface vs. Core Scans, what's the difference?

  Core Scans access your web server and database, providing in-depth analysis to detect hidden vulnerabilities, malware, and advanced risks. Surface Scans identify external threats and visible issues publicly without server access.