I think I found the author in the fediverse: @hothead

And here's the source:
https://github.com/hotheadhacker/no-as-a-service

GitHub - hotheadhacker/no-as-a-service: No-as-a-Service (NaaS) is a simple API that returns a random rejection reason. Use it when you need a realistic excuse, a fun “no,” or want to simulate being turned down in style.

No-as-a-Service (NaaS) is a simple API that returns a random rejection reason. Use it when you need a realistic excuse, a fun “no,” or want to simulate being turned down in style. - hotheadhacker/n...

GitHub
@FlohEinstein @hothead Thanks, previous server crashed. The profile