Saasu Integration: Invoice Number

While pushing invoice data into Saasu, you should go with either approach below:

 

#1: Let the Saasu decide the invoice number (recommended)

This is the recommended approach. You can do this by providing the <Auto Number> from the API. However, please make sure that you escape both < and >. For example:

 

<tasks xmlns:xsd="https://www.w3.org/2001/XMLSchema" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance">
 <insertInvoice emailToContact="true">
  <invoice uid="0">
   ...
   <invoiceNumber>&lt;Auto Number&gt;</invoiceNumber>

 

#2: Let the source system decide the invoice number

The source system must keep track of the latest running number and the number must be unique.

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