Create a Card token from a coroutine.
See Create a card token.
a Token object
the CardParams used to create this payment token
optional, see Idempotent Requests
Optional, the Connect account to associate with this request. By default, will use the Connect account that was used to instantiate the
Stripe object, if specified.
failure to properly authenticate yourself (check your key)
your request has invalid parameters
failure to connect to Stripe's API
any other type of problem (for instance, a temporary issue with Stripe's servers)
the card cannot be charged for some reason