Subscription-Prorate
Settle the price difference immediately when you change amount, interval or
intervalCount mid-period. Unused time is credited at the current price. An amount
change charges the remaining time at the new price and keeps the billing period. An
interval or intervalCount change charges the full new price and restarts the period
from now.
A positive difference is charged to the saved payment method. A negative difference is refunded against the payment that funded the current period, up to the amount that payment received.
Only one prorated change is allowed per billing period.
Accepted on active and trialing subscriptions only. On a trialing subscription the fields
change and no money moves, because there is no paid time to credit. Any other status is
rejected. You cannot combine prorate with nextPaymentAt, trialPeriodEnd,
cancelAtPeriodEnd, pauseAtPeriodEnd, pauseIntervalCount or skipIntervalCount.
Settle the price difference immediately when you change amount, interval or
intervalCount mid-period. Unused time is credited at the current price. An amount
change charges the remaining time at the new price and keeps the billing period. An
interval or intervalCount change charges the full new price and restarts the period
from now.
A positive difference is charged to the saved payment method. A negative difference is refunded against the payment that funded the current period, up to the amount that payment received.
Only one prorated change is allowed per billing period.
Accepted on active and trialing subscriptions only. On a trialing subscription the fields
change and no money moves, because there is no paid time to credit. Any other status is
rejected. You cannot combine prorate with nextPaymentAt, trialPeriodEnd,
cancelAtPeriodEnd, pauseAtPeriodEnd, pauseIntervalCount or skipIntervalCount.
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