The API that SnappyTV was using to export to Brightcove has been deprecated as of June 30, 2017. See here for more information.
SnappyTV offers a public MRSS feed that can be used to transfer videos into other CMS accounts. For more information, see Syndicate your videos via an RSS Feed. In the MRSS options, you will need to check the "Public" box as well as the "Include Download" box.