Our API lead billing engine uses RESTful calls to provide seamless integration for energy bill generation to other platforms, such as CRM or ERP solutions. Decoupling the complex task of billing and bill calculation from those systems enables a best of breed billing solution to augment existing supplier technology easily and safely.

Designed to minimise the total number of unbilled accounts by maximising the science, prediction, data management and calculation capabilities the solution creates accurate bills providing end customer delight, and assures revenue within the supply chain.

Using validation, estimation and calculation it creates bills or returns the statement invoice data to direct to your platform for inclusion in your bills.


This billing engine has been proven over the years by producing 120,000 bills per quarter. It has produced over 1 million bills.

  • Handles energy use volume calculations, payments made and charges
  • Projects estimated reads for both fuels
  • Handles rollover, rollback, negative advance
  • Handles bill size tolerance
  • Generates billing alert codes where bills cannot be generated
  • Combines multi site invoices into¬†statements into bills
  • Generate PDF visual bills


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energy billing