No. Packsify buys official Apple and Google gift cards and uses that credit to buy packs inside your account through the official store. There are no hacks, no third party tools, and no exploits.
In 5+ years of operating, we have zero bans from our method. You can check what our customers say on Trustpilot before you order.
If you have a specific question about your game's terms of service, ask our support team.