I don’t know how to program and certainly don’t know how to make use of an API, but Backpack has released an API (I wrote about Backpack earlier here). When I originally wrote about Backpack, I called it a “web service,” and at the time I was correct; with the release of an API, however, Backpack becomes a platform, which makes it quite a bit more powerful. Programmers can now interact with Backpack by not only pulling data from it, but also by moving data to it. Because the API is not platform-dependent, programmers can create applications for any operating system to work with Backpack.
I look forward to seeing programs that make use of the Backpack API.