After reading the Tagboard’s TOS and looking for what they say when discussing APIs, there is only a little bit of information. The TOS mentions APIs in regards that “… agree to the terms of the respective application programming interfaces (API) as follows…”
http://developers.facebook.com/ https://directory.app.net/app/114/app-net-api-console/ http://instagram.com/developer/ https://dev.twitter.com/
So, no, it does not appear that they are allowing API access at this point.