Get commits while maintainer

I’m on my company proxy, I’m trying to get the number of commits of a certain period of type but I’m getting a 403 error each time.
I didn’t make a project request since i’m already maintainer but should I? if i’m only maintainer does that stop me from getting the info I need?
Or could the issue come from the company proxy?
The issue comes when i’m trying to get the project (gl.projects.get(project_id)).

Even your are the maintainer of the project but there are few specific permission within GitLab that restrict your access to certain API endpoints. Check your proxy setting and user permission to ensure that you have necessary access rights.