To perform updates and subsequent versions of your application, you must create a service account and provide us with the access API key (JSON format).
1-Create a Google Cloud Project (You can skip this step if you already have a project you want to use.) Create a project in Google Cloud Console .
2-Once you have your Google Cloud Project ready, you need to enable the Google Play Developer API for this project. To enable the Google Play Developer API :
a. Go to the Google Play Developer API page (APIS and Services) within the Google Cloud Console .
b. Click on Enable .
3- Create Service Account
a. In the Google Cloud Console, go to Service Account and select your project.
b. Click CREATE SERVICE ACCOUNT at the top.
c .Provide a name to your service account and click CREATE and CONTINUE
d. Click on Role and choose the Service Accounts → Service Account User role
e. Click Done
f. Go to the Users and Permissions section in your Google Play Console account.
g. Click on Invite new users
h. Add the email of the Service Account you created and make sure to give it Administrator permissions (all permissions)
i. Click on Invite User below
The service account is now created, and now you need to create and export the API key that we'll need to set up your app. Now go to the next step .