Google Play Developer API - “The current user has insufficient permissions to perform the requested operation.”

Question

I have a Google dev console process with Google Play Developer API is enabled and the project is linked to Google Play project. In Google Dev console project, created OAuth

Answer 1

I used service key and created it in Google APIs Credentials Cloud Platform, and I had the same issue until I added my created service key to Google Developer Console with all access.

I understood that you already created credentials in Google Developer Console, but maybe my experience will help someone else