Visa charges a number of different fees, called assessment fees. Every time you accept a Visa card, assessments apply. The Base II fee, or settlement network access fee, is one of those assessment fees. As of 2018, Visa sets the Base II fee at $0.0025. What is Visa Base I and Base II? Visa's processing network is called the VisaNET Integra...

The International Service Assessment (ISA) fee only applies in situations where a US-based business accepts a Visa card issued by a non-US Bank. If you take card payments from foreign visitors in person or accept foreign transactions online, you may see the ISA fee as part of your processing costs. Visa's Assessment Fees The ISA is one of man...

The Acquirer Processing Fee is sometimes called the Visa Authorziation Processing Fee. Note that Visa charges a separate acquirer processing fee for debit and credit card transactions. The APF for credit card transactions is $0.0195, and the APF for debit card transactions is $0.0155. For debit, the APF only applies to signature-based debit auth...

We're leaving this article here for historical reference, but will not be updating it. Instead, new information about the Fixed Acquirer Network Fee (FANF) can be found at the post linked above. Visa has announced a new Network Participation Fee and pricing structure in response to the Durbin Amendment. Part of the amendment allows merchants to ...