Stuck trying to submit API

My question: I am trying to submit my solution. Submitting the collection worked fine, however submitting the api is failing with “400 Bad Request”. I’m at a loss as to why…

Details (like screenshots):
Here is my imported API and its ID:

Yet when I try to submit my API, I get the following failures

What am I missing? Thanks, for any help…

Hi @moogsin

I copied my collection to my workspace first, like this;