Unknowable? Visa: https://www.visa.ca/en_CAsupport/small-business/interchange.html https://www.visa.ca/en_CAsupport/small-business/interchange.... Mastercard:

Unknowable? Visa: https://www.visa.ca/en_CAsupport/small-business/interchange.html https://www.visa.ca/en_CAsupport/small-business/interchange.... Mastercard: https://www.mastercard.ca/content/dam/mccom/en-ca/Documents/Interchange%20Table%20as%20of%20Dec%201%202016(1).pdf https://www.mastercard.ca/content/dam/mccom/en-ca/Documents/... (PDF) AMEX is a bit harder to find, reseller is https://www.helcim.com/ca/american-express/ https://www.helcim.com/ca/american-express/