White label videos iframe not working

I wanted to create a blog on my multisite and add the white label videos to it for the paid bloggers that join but it uses iframe and I can't get it to show up.
Is there an embed code or do I need to add a plugin so that the videos show?
I have added my site influencer.biz to the video api page - should I have added the blog too? I thought by adding the domain I was making it available on all the blogs on that domain?