On the Script-Tutorials.com site there's a new tutorial showing how to use the Vimeo API to upload your content to their service:
Today I would like to continue talking about video. Last time we talked about Youtube, but today I decided to select Vimeo. [...] Our second example – Vimeo. In our new tutorial I will tell you how you can create Vimeo cross-uploader for your website. To achieve our idea we will use Vimeo Upload API. In the beginning, we should register at Vimeo here.