User Guide

Instant Payment Notification Manual

Note: If payment is in USD, the payment_fee value will equal mc_fee.

• mc_currency: Currency of mc_gross, mc_fee, payment_gross, and payment_

fee amounts. The values are (note the capitalization):

– USD

– EUR

– GBP

– CAD

– JPY

For non-payment subscription IPNs, such as signup, cancel, modify, failed, and

eot, mc_currency will refer to the currency of the subscription, rather than the

currency of the payment.

For payment subscription IPNs, mc_currency will refer to the currency of the

payment. Examples 1 & 2 below refer to subscr_payment IPNs.

Example 1: If a user with a USD balance receives a $100 USD payment, the following

variables will be used for the payment:

• mc_gross = payment_gross

• mc_fee = payment_fee

Example 1: USD Payment (subscr_payment IPN)

payment_status = Completed

payment_gross = 100

payment_fee = 3.00

mc_gross = 100

mc_fee = 3.00

mc_currency = USD