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llms.txt

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API reference Models

MITReasonCode

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

Reason codes for merchant-initiated transactions. Maps to card network indicators (e.g. TSYS `POSDataCode` CardInputMode values) that justify an MIT against a stored credential. Required on any transaction where `InitiationType` is `MerchantInitiated`.

Values

Values: Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
Recurring Fixed or variable charges on a scheduled basis for a subscription or ongoing service the cardholder has enrolled in.
Installment A series of charges dividing a known total amount over a defined schedule.
UnscheduledCOF Charges triggered by a specific, pre-agreed event (e.g. account balance threshold, usage overage). Not on a schedule.
Resubmission Recharging after a declined or reversed transaction, in accordance with card network resubmission rules. Must be for the same amount as the original declined attempt and within the network's permitted resubmission window.
Reauthorization Re-authorizing a prior authorization (e.g. when the original authorization has expired but the merchant still intends to capture).
DelayedCharge A charge finalized after the cardholder's original authorization (e.g. tip adjustment, additional services added after checkout, or final amounts determined after service completion).
NoShow No-show or cancellation fee where the cardholder made a reservation or booking and failed to cancel within the required window.
IncrementalAuth Additional authorization on top of a prior authorization (e.g. hotel incidentals, car rental overages).

Fields

Field Type Description

This model has no documented fields.

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