Title : How to customise pre-persistence hook and validate from postman Integration API Module : SAP Commerce‘s Integration API Module exposes a set of interfaces used for data integration with SAP Commerce. The Integration API module simplifies data integration with SAP Commerce using Integration Objects. Quicklinks: Integration API Module Persistence Hooks Content 0. Prerequisites 1. Introduction 2. Tutorial 2.1. Pre-Persistence hook customisation 2.2. Postman validation 0.