ERP Template - Sample Integration Design Document (IDD)

Interface Design Document — BC–UPS Courier Integration   DOCX

ERP_Sherpas_IDD_BC_UPS_Interface.docx

A comprehensive Interface Design Document (IDD) covering an example scenario for the point-to-point REST API integration between Microsoft Dynamics 365 Business Central and the UPS Shipping API, enabling warehouse operatives to retrieve a UPS shipping label and tracking number directly from the BC Warehouse Shipment record without leaving the system. The document covers business context, architecture, OAuth 2.0 authentication design, the full process flow including error handling, functional requirements (12 requirements), full data mapping for shipper, ship-to, and package fields, technical design including all AL extension objects required, security model, and eleven test scenarios.

For a PM, an IDD at this level of completeness removes the most common source of integration project failure: ambiguity between the business's expectation and the developer's interpretation of what the interface should do.