The endpoint is https://pacific-waters-11622.herokuapp.com/. Will tie it to a meaningful domain name some time in the near future.
Disqus is blocked in China so I had to use VPN to make requests to Disqus API to test it on my local machine.
More information here: gmachine1729.com/2019/04/28/%e7%8a%b9%e5%a4%aa%e4%ba%ba%e7%9a%84%e6%94%bf%e6%b2%bb%e9%80%bb%e8%be%91/.
And below is a screenshot.
