Install a third-party SSL certificate with Flywheel

Updated on March 13th, 2024

While Flywheel offers free certificates via Simple SSL, these don’t include wildcard certificates or OV/EV (Organization Validated/Extended Validation) certificates.

If your site requires one of these special types of SSL certificate, you’ll want to purchase one from a third party and have us install it for you. Follow the steps below to get started.


If you wish to renew a third-party SSL with an existing CSR please contact Flywheel support.

Step 1: Navigate to the site’s dashboard

  1. From the main menu, click Sites.Sites tab in Flywheel dashboard
  2. From your site list, click on the site you’d like to install a third-party certificate on.Domain list in Flywheel dashboard

Step 2: Find the appropriate domain and Enable SSL

  1. On the Domains card, hover over the three-dot menu and select Add SSL Certificate, most likely for your site’s primary domain.Add SSL to primary domain
  2. If your SSL certificate will cover more than one domain, choose your site’s primary domain to be the certificate domain, and you can add the others as alternative domains at your SSL provider when you purchase the certificate.

Step 3: Select the third party certificate option and generate a CSR

  1. Click the radio button next to I’ll bring my own certificate instead.
  2. Confirm the primary domain you’d like to secure.
  3. Enter the details to create your CSR. (Not sure what a CSR is? Click here.)
  4. Click the Complete SSL Setup button and the CSR will be automatically emailed to you.

Step 4: Download the emailed CSR and generate your SSL certificate

At this point, you will need to follow the instructions from your SSL provider (Godaddy, InstantSSL, etc) to upload our CSR file to generate the SSL certificate from their service. Please request that your 3rd party SSL provider generates a 2048-bit certificate and key to be compatible with Fastly.


When generating your certificate, the provider may ask for a server type. Flywheel runs NGINX servers, so choose that option if it’s available. If not, Apache + OpenSSL works as well.

Step 5: Provide your SSL certificate to Flywheel

Once your SSL provider has issued you a certificate, you should then be instructed on how you can download your certificate files. There might be few different files like Root.crt, Intermediate.crt, mydomain.crt, etc. Just download all of them, and our support team can determine the proper ones that need to be installed to secure your site.

You can contact Flywheel support with this link. Once we have the certificate, we will install it and let you know when it’s all set up!

What is a CSR?

CSR stands for Certificate Signing Request, a block of encoded text that contains the information your SSL provider will need to create a Flywheel compatible SSL certificate.

This information verifies you or your company are the owners of the site, and allows the SSL certificate to work with keys stored on our servers to secure traffic.

Here is some information on the fields we collect to generate your CSR:

Domain Name The fully qualified domain name (FQDN) that clients will use to reach your server. To secure, your domain name must be
Organization Name The exact legal name of your organization. Example: “Acme, Inc.” Less commonly, if you do not have a legal registered organization name, you should enter your own full name here.
Department Name (optional) Many people leave this field blank. This is the department within your organization which you want to appear in the certificate. Common examples: Web Administration, Marketing, or N/A.
City The city where your organization is legally located.
State/Province The state or province where your organization is legally located.
Country The country where your organization is legally located.
Email Your email address.

Need help?

If you have any questions our Happiness Engineers are here to help!

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