Going forward we are looking to support the Netsuite REST apis via the OIC Netsuite adapter.
However, if you want to try them out today...
Create a new Integration Application - copy the Client Credentials (only shown once, on creation).
Ensure you have a REST enabled role -
Assign a user to the role - in my case, it's the user Niall Mac Cumascaigh.
Now create an Access token for this combination of Application and User -
Test the Netsuite APIs via Postman
Download the Netsuite Postman collection from https://yourAccount.app.netsuite.com/app/external/integration/integrationDownloadPage.nl
Leveraging the Netsuite REST api from OIC
Using the connection in an Integration