This seems like a really cool idea, but the site has way to little information for me to get really excited. Where's the pricing info? Also, to have a chance with institutional users it would probably be a good idea to go into great detail about privacy/confidentiality and such.
There is a mistake in your docs page @ <a href="http://www.infraprint.com/docs" rel="nofollow">http://www.infraprint.com/docs</a> 4th line of the Input example is missing an end-quote.