After topping up your Sendcash balance and your api access has been authenticated, You can create a US dollar denominated bank account to transact with by providing recipientDetails, bankDetails and addressDetails.
iban: String # international bank account number
Once you have all the required fields, you can query the api:
If successful, a wire-out account will be created and you can perform a wire-out payment into the account. Keep the id field returned by the resolver handy, you'll need it to initiate and track transactions.