Your Apple ID is not eligible to use this application at this time, comes when i try to sign in to apple developer portal via my apple id
I have not enrolled in a paid program yet, but still i should be able to log into the developer portal right ?
Question marked as
Seems your evidence contradicts your conjecture. 😉
The free tier is limited.
Here is an intro to the differences: Choosing a Membership - Support - Apple Developer
You could enroll in the paid tier of course, and let us know.