Hello @t8g - Welcome to the Seller Community!

Thanks for reaching out to us via our Seller Community. We are more than happy to guide you in the right direction. With Square, you can create a Customer Directory via your Square app or Square Online Dashboard, you are not required to obtain credit card information from your customers if you don’t need to, however, you do have the option to. Take a look here for more details. 

Please let us know if you have any other questions related to this or if you were looking for something different.  

Have a great day!