Create a Payment Session Token when you want to accept money now.You can pass a bankAccountId to this mutation which determines which of the Firm’s Bank Accounts the money will be directed to. If you do not pass a bankAccountId the Firm’s default operating account will be used.
Create a Save Payment Method Session Token when you want to save the payment details now, then use them to make a payment at a later date. You can optionally pass in a clientId if you know which Client this Payment Method should be saved under.