Google Documents List Data API now supports downloads too

We have enabled programmatic document creation, upload, and search for Google Docs for some time, but had not provided an API to download these documents.

That common feature request is now closed -- check out the following blog post for more information on the new download API, which allows authenticated applications to download documents in a number of different formats, including pdf, doc, ppt, swf, and xls:

http://googledataapis.blogspot.com/2009/02/start-downloads.html