Bitbucket, which they also support, shows me the key they added to my repo.
Using the key they placed on my Bitbucket repo worked on one of my Github repos.
Using the key they placed on my Bitbucket repo worked on one of my Github repos.
EDIT: Turns out that key doesn't work. How can I make them add a key to my BitBucket account? I don't see an option for that...