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Need help? Browse an extensive set of help articles or get in touch with our excellent support team.

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.

  • I need a custom solution. What do I do?

    Our public subscription plans are just the start. To get a custom solution tailored to your specific use case, please reach out to our Sales team and share your SSL requirements.

  • How do I install my SSL certificate?

    In most cases, installing an SSL certificate is a simple process. However, the exact steps to do so vary depending on your server and platform. To learn how to install your certificate, please visit our Help Center.

Browse Help Resources

Click below to get help by browsing our extensive Help Center. In case your question is not answered by one of the articles, you can get in touch with customer support or connect with us on social media.

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Meet ZeroSSL

London
apilayer UK Ltd.
16 Great Chapel Street
Soho, London W1F 8FL
United Kingdom

Vienna
Stack Holdings GmbH
Elisabethstrasse 15/5A+B
1010 Vienna
Austria