There are no app restrictions for Google Workspace (formerly G Suite)and paid Gmail accounts.
Are any special account permissions required?
To send emails from another email address, you must have an alternative email (email alias) set up. Learn more about Gmail's account permissions.
Are there usage limits?
Gmail has a sending limit of 100 recipients per message for emails sent via API. Learn more about Gmail's usage limit.
Are there pagination limits?
Do trigger samples use real data from your account or generic data?
Real trigger samples
Are custom fields supported?
Do update actions overwrite or append to existing data?
Is there any additional info?
You can't reconnect your Gmail account after it's created. You must add a new app connection instead.
If you see the error "Google cannot give this app access to your account data because Advanced Protection is turned on for your Google Account", this is because Google's Advanced Protection Program is enabled. You must disable it to use the Gmail app.