SAP NetWeaver Gateway allows you to make SAP system data accessible on mobile devices. Creating APIs is simple, but obtaining business validation can be challenging. This is because APIs lack GUIs. In this blog, we explore three popular solutions: SAP NetWeaver Gateway Client, Postman collections and OpenAPI. Unfortunately, each has limitations, such as lacking combined documentation and testing of SAP NetWeaver Gateway services. Fortunately, TheValueChain has a solution, so let’s take a closer look.