December 22rd, 2012 is the date that has been given, but I believe it's a joke. This Facebook Group [1] has been the best source of information I have found for info on the API, and there is at least one developer from Pinterest who has come into the group to talk about where they are with it.<p>[1]<a href="https://www.facebook.com/groups/pinterestapi/?bookmark_t=group" rel="nofollow">https://www.facebook.com/groups/pinterestapi/?bookmark_t=gro...</a>