Re:Jack Dorsey: Today Starbucks Signed up for Square
by abalone on Saturday August 11, 2012 @09:08PM
(#4371477)
Interchange is a fixed non-negotiable set of rates, published by Visa & Mastercard. See http://usa.visa.com/merchants/operations/interchange_rates.h...
Last I checked, Square had not published the transaction fee they negotiated with Visa.