Ask HN: Best way to introduce/suggest Open ID Connect to enterprise

My rails app is the client (I plan to use omniauth-openid-connect gem). I need web single sign on authentication so that my rails app doesn't require another login when end users are coming from my customer's web portal. I want to make sure my customer's developers are onboard with implementing the authentication server side of open id connect (identity provider). What are the best ways to go about this process?