The InvoiceServer web service provides several web methods for interacting with invoices. The current live server can be reached at https://secure.softwarekey.com/solo/webservices/invoiceserver.asmx. If you are running a stand alone version of SOLO server, simply replace secure.softwarekey.com/solo in the url with the path to your SOLO instance.
The invoiceserver.asmx page offers the following webmethods:
GetInvoiceXML
Retrieves XML data representing a given invoice.
Input:
invoiceNo (int): The invoice number
password (string) - The password of the customer associated with the invoice
Returns:
XML Data on the invoice and associated licenses. Documentation on the XML format is currently in process. Contact support@softwarekey.com for more details.