Can't seem to locate any.
If you can provide us with their integration manual for developers, we can examine it and provide you with the free quote. Thanks
Heya, Thanks. Im not exactly sure what you are needing off it though, I have never messed with any of those hehe. Maybe this will help.
https://connect.squareup.com/
Square's Payments API FAQ | Square Support Center - US
Addon for square payments is now available:
http://forum.cs-cart.com/topic/45391-ez-square-payment-gateway/?hl=squareup&fromsearch=1