If you want users to log in to your Joomla site using their Vimeo credentials, you can do it using our Joomla OAuth Client plugin. Once you configure the Vimeo with the Joomla OAuth plugin, you can allow Vimeo users to SSO into your Joomla site using Vimeo.
Similarly, you can map your Joomla roles based on your Vimeo attributes/groups. To know more about other features we provide in Joomla OAuth plugin, you can download by click here.