...
Request an email address for the integration user from STARIA – IT.
Create an Employee in NetSuite and assign the role “Inbound E-Document Web Service Role (Docs Full)”.
Setup Setup Integration
Log-in to NetSuite and navigate to Setup > Integration > Manage Integration.
Click New.
Enter Name for the integration (e.g.: Staria E-Invoices server).
Uncheck TBA Authorization Flow and Authorization Code Grant.
Click Save.
Navigate to Authentication > Client Credentials to find the Consumer Key & Consumer Secret.
...