1. [FBPAY] - Create Payment Method

POST https://paid.freshbooks.com/gateway/fbpay/tokenize

Request Body

{"cc_info"=>{"name"=>"John Johnston", "card_number"=>"4500123456789012", "expiry_month"=>"10", "expiry_year"=>"2024", "email"=>"mjohnston@freshbooks.com", "cvv"=>"123", "postal_code"=>"M6P3T1", "country"=>"CA"}}