title: Update data from QuickBooks API from commandline
body: <p>We are setting up a new we application which is required to access QuickBooks APIs to update customers' data, invoices and payments. We are trying to update customer data or customer invoice data periodically from application backend which is a java program or from terminal (Linux). 
  This java program periodically posts requests QuickBooks to get recent data about customer data and invoices. </p>
  
  <p>Please let me know if there is any possibility to acheive this requirement. As I'm new to QuickBooks and it's APIs. </p>
  
  <p>Thanks in Advance</p>