Access and update a biller's account.
How do I get a list of all customers?
Call the customerinfo method with no <where> parameter to retrieve a list of all customers. Add the <limit> parameter to retrieve the list in multiple responses for billers with a large number of customers.
How do I get a list of all invoices?
Call the invoiceinfo method with no <where> parameter to retrieve a list of all invoices. Add the <limit> parameter to retrieve the list in multiple responses for billers with a large number of invoices.
How do I attach a file to an invoice?
Call the invoiceupdate method with an <attachment> parameter to send the attachment and a description of it.