You don't need to provide this publicly if you do not have any billing in your app, so no IAP or paid apps. They might just not verify it though. Google has it

You don't need to provide this publicly if you do not have any billing in your app, so no IAP or paid apps. They might just not verify it though. Google has it, since publishing requires a $15 one-time fee. Of course, you can put bogus into the billing info for that as well.