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Aggregated
This type of transaction uses a contactless terminal at points of access to the
transit service. The final fare charged is not always known at the time of travel.
It is calculated at the end of a travel period (typically 24 hours) based on
journeys made during that period.
Discover Aggregated Transactions
When the cardholder taps their card for travel, initiate an aggregated transaction by
requesting an authorization for 1.00 USD that includes the
processingInformation.authorizationOptions.aggregatedAuthIndicator
field set to true
. If the issuer approves the authorization, subsequent
taps do not require an authorization. The capture amount must not exceed 15.00 USD in
the US, and the capture date must not exceed the aggregation duration of up to 14 days
from the first tap transaction.If the aggregate total nears the maximum aggregation amount, and the next tap will cause
the aggregation amount to exceed 15.00 USD, capture the existing aggregate total. Then,
authorize the current tap for 1.00 USD to begin a new aggregation cycle, and include the
processingInformation.authorizationOptions.aggregatedAuthIndicator
field set to true
.For more details about Discover aggregated transactions, see the
Discover Global Network Contactless D-PAS: Open Loop Transit Implementation Guide
.