- Processing Payments Using Credentials
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Payment Networks
Payment networks manage communications between acquirers and issuing banks. They also develop
industry standards, support their brands, and establish fees for acquiring institutions.
Some payment networks, such as Visa and Mastercard, are trade associations that do not issue
cards. Issuers are members of these associations, and they issue cards under license from the
association.
Other networks, such as Discover
and American Express
, issue their own cards. Before you
process cards from these companies, you must sign agreements with them.