After importing the OpenAPI file, create a new connection in NWC. This connection will point to the SAP Services maintained in ECS Core and enables to connect to your on-premises SAP system.

The given example is described with API Key as authentication method. Please use the settings for API Key authentication in the WebService Designer’s connection dialog. API Key will then automatically be used as authentication method when you create a new connection in NWC.

Click on Connections and Add new to create a new connection. Choose the previously created custom connector from the selection list:


Give your connection a name and enter a valid API Key in the following form:
APIKEY [BASE64 encoded ECS Core API Key]

Example: APIKEY QjGCMTMxMjE0MTA3NDhCMUE5MUNZTzAyQjBDRTg1OUP= (vgl. Connection Settings for API Key in Webservice Authentication)


The connection can then be used in the NWC workflow.