Stream Term

When setting up a Payment Stream you have 2 options for setting the Stream Term (duration):
Unlimited
Fixed Amount of Time (you set the number of payments)

One-Time Transactions

You can use Rerun to charge one-time transaction by setting the number of payments to 1. You can also charge one-time payments by going to the specific customer in the Customer tab and clicking on the blue dollar tag in the right-hand corner of the customer file.