#stripe

Sure, what's up?

when they enter their information, you have the option of immediately using it to create a charge, or attaching it to an existing or new Customer object

once it's attached to a customer, you can create the charge using that customer

Waleed: proration could apply (https://stripe.com/docs/billing/subscriptions/p...). So a charge adjustment will be made on the next invoice following the plan change: https://stripe.com/docs/billing/subscriptions/u...

My understanding is not automatically. So yeah if you want them to pay straightaway for the difference, you will need to generate a manual invoice: