What age do I need to be to apply for a Monolith Debit Card? January 22, 2021 15:28 Updated You need to be at least 18 years old to apply for a card. Related articles What documents are required for verification when ordering a Monolith Visa® debit card? How to get the Monolith Visa® Debit Card! Where is the Monolith Visa® Debit Card available? What tokens are available on the wallet? Can I pay in a different currency overseas from my Monolith Visa Debit Card?