How much do I have to spend to use Atome? 18 February 2022 01:55 Updated The minimum spending for a single purchase is HK$15. Related articles Which payment gateways/platforms are you able to integrate with? How do you decide the transaction limit for each merchant? Can I add Atome to an existing API-only integration? How long will this process take? How much will it cost me as a merchant? What is Atome's business model?