...
NetSuite and ShipHawk communicate bilaterally. NetSuite sends item fulfillment data and information to ShipHawk via our API. ShipHawk uses web services in order to write information back to NetSuite. To set up these web services, we use token-based authentication, which you will set up in the following steps.
To create access tokens
From your NetSuite top menu, select Setup > Company > Enable Features.
The Enable Features screen is displayed.
Click the SuiteCloud tab to access these options. New options populate below:
Under the Manage Authentication section, enable the Token-Based Authentication setting.
ShipHawk now can interact with NetSuite’s security using token-based authentication.
...