Cobrança
Faturas, forma de pagamento e troca de plano pelo próprio cliente.
Get the account's billing
Everything the billing screen shows at once: the plan, the subscription, the
Subscribe to a plan or change plans
**Subscribing and changing are different outcomes.** A first subscription
Validate a discount coupon
Resolves a coupon code against the payment provider so the order summary shows
Choose the default card
Makes one of the cards on file the one future charges use. Answers with the
Remove a card
Detaches a card from the account. Answers with the cards that are left.
Start adding a card
Answers with what the provider's card form needs to collect a card.