Checkout Domains for Data Centers If you use a NetSuite-hosted checkout domain, for the domain parameter, use the correct data center identifier in your URL. ■ NA West: checkout.netsuite.com ■ NA East: checkout.na1.netsuite.com ■ NA Northwest: checkout.na2.netsuite.com ■ NA Central: checkout.na3.netsuite.com ■ EU West: checkout.eu1.netsuite.com ■ EU Central: checkout.eu2.netsuite.com