Google Search Console issue

Hey, i’m trying to get sitemaps into bubble using API connector, this api: Sitemaps: list  |  Search Console API  |  Google for Developers

It doesn’t work, all the other apis related to this that i have used have worked perfectly. Is there a possibility it is because i’m using a subdomain of bubble it isnt working, my domain is:

Has anyone used this specific api before, and can help?

help please