Pricing Changes

You change Plan Pro from $99/mo to $129/mo.

A new customer signs up today → pays $129/mo.
An existing customer on day 15 of their month → keeps paying $99/mo.
That same customer at renewal → starts paying $129/mo.

You raise the overage price from $0.002/call to $0.005/call.
Your customer has already used 5,000 extra calls this month.

This month's invoice → still charged at $0.002
Next month's invoice → charged at $0.005

You lower the overage price from $0.005/call to $0.002/call.

This month's invoice → charged at $0.002 — the cheaper price applies immediately

You raise the extra seat price from $25/seat to $35/seat.
Your customer has 3 extra seats.

This month → 3 × $25 = $75
Next month → 3 × $35 = $105

You lower it from $35/seat to $25/seat.

This month → 3 × $25 = $75 — applied immediately