One of the keys to YouTube's success as a video sharing platform is its successful API that allows developers and site owners to embed, share and distribute YouTube content across the Intertubes.
As with many of its other products, Google starts with the essential API ecosystem building blocks:
In addition, YouTube really support its partner and developers with:
White Label Player
Google also enforces brand integrity with a few tools:
Google definitely has a solid formula for replicating its API ecosystems in its different products, and the YouTube developer area is an excellent example of this formula being applied to a media API.
Like Google's other projects, YouTube utilizes Google Code as the repository for its API community and code.