Pabbly - mautic connection

Your software
My Mautic version is: 4.4.8
My PHP version is: 8.0

Your problem
My problem is: I am trying to move google form to mautic using pabbly
video: How to Capture Leads & Create Contact in Mautic - Google Forms Mautic Integration - YouTube
I confirmed I have enabled
API enabled? Yes
Enable HTTP basic auth? Yes

These errors are showing in the log:

API authorization denied.

please assist

I got this working, not sure what was the problem.

The only thing I did was create another user and use his username and password.