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Hey Luke. I'll double check with our devs about this and either get back to you directly or preferably have one of them provide an appropriate response. Because it uses blocktrades API we may need to check into that as well. Building applications on EOS is a high priority goal for BuildTeam at the moment so I can certainly confirm the gears are turning in that department. Thanks for dropping by.

As @techblogger mentioned, currently we use a 3rd party API for that so it's not OSS.

As for EOS, the short answer is yes, can't say more at this point ;)

Hey Luke, we currently use the Blocktrades API with an elegant interface which keeps to the theme of our apps.buildteam.io platform which we will be releasing soon. We have development on the cards for EOS as well as projects that will incorporate both EOS and Steem, we are committed to both chains.