So, I decided instead of running the API from https://major-harpia.herokuapp.com, I’ll run it from my localhost to see if I could troubleshoot the errors better.
This looks like progress. I think the response body is returning HTML, not JSON.
EDIT : Okay, I’m dumb and it turned out it was the wrong localhost address that I was using (:3000 instead of :1337).
When I use :1337, I get the same error as before, specified in the topic :
