That's the problem: even with top-notch data, unless you continuously audit the source code, you're still blindly trusting a third-party website regarding tax a

That's the problem: even with top-notch data, unless you continuously audit the source code, you're still blindly trusting a third-party website regarding tax advice. In the event that something goes wrong, that could be construed as negligent. Hence why I appreciate that yours and the other project are open source! Because even though I might not be able to use the REST API, I can certainly download the code and integrate locally after auditing it, or having it audited by my accountant, or tax attorney, or whatever.