put https://gateway.stackpath.com/cdn/v1/stacks//sites//certificates/
Association is performed without validating if the site has a hostname covered by the certificate. This is useful for preparation work required for getting a site ready for traffic.
If a certificate is uploaded which contains hostnames for sites, it will automatically be connected to those sites. If a hostname is added to a site which is covered by an SSL certificate, it will automatically be connected to the certificate.
