OSID Specifications
billing package
Version 3.0.0
Release Candidate Preview
TitleBilling Open Service Interface Definitions

The Billing OSID manages billing for customers.


A Customer is a person known to the billing system. A Customer relates a Resource used to any business speciifc data defined in the Customer.

Customers are Temporal with effective dates indicating their association with the business.


A Period is a billing period in which billing entries applies. Periods have a set of milestone dates including start and end of the billing period.


An Item is something that can be billed. Items represent a one-time or recurring charge for some product or service.

Items may relate to a Product in the Ordering OSID which manages the costs. Items may also relate to a general ledger Account in the Financials OSID.


Items can be categorized using a Category. Categories are used to group items on a billing statement.


An Entry is an OsidRelationship relating a Customer to an Item in a billing Period. An Entry captures the cost which may have been informed by the related Item.

Business Cataloging

Customers, Items, Categories, Entries, and Periods can be organized into federateble Businesses.


The Billing OSID can be orchestrated with an Ordering OSID to connect managed products and services to the billing system. Without the Ordering OSID, products and services may be managed directly using Items.

The Billing OSID can also be orchestrated with a Financials OSID. Customers can be associated with financial Activities that collect their costs. Items can also be associated with G/L accounts to organize different types of products and services.

The Billing OSID can also be orchestrated with the Commenting or Grading OSIDs for to indicate the Customer status and credit rating.

Sub Packages

The Billing OSID includes a Billing Payment OSID to track payments and a Billing Batch OSID to manage Entries, Items, Periods, Customers, and Businesses in bulk.