Do I need to pay for my Onsi Card? Matt Owen 04 October 2023 09:15 Updated No - the company you work with has paid for you to have this card. There are no fees for you. You will need to add your own money to spend on the card. Related articles Is my Insurance free? How can I earn cashback on my Onsi Card? What is cashback? Where can I use my Onsi Card? What is the Onsi Card?