2. [STRIPE] - Create Setup Intent Using Payment Method Key
POST https://api.freshbooks.com/payments/account/E86Qp/gateway/stripe/credit-card/token
Once you obtain the PM key from Step 1, you will use this to inform Stripe that you will be using this card for future use and it is a Mail Order Telephone Order
(MOTO) card.
Request Body
{"payment_method"=>"pm_d87sh438shuiasf4289437u"}