NetSuite deployed a change on January 11, 2018 that is causing NetSuite endpoints to fail for some NetSuite production and/or sandbox environments. We are working closely with NetSuite to resolve this issue as quickly as possible. NetSuite is tracking the problem using NetSuite defect number 478287. NetSuite has identified the problem, developed a fix, and is preparing to deploy this fix as soon as possible.
NetSuite has posted the following notice to their trust site: “We have identified a problem with the Inbound Single Sign-On Feature that affects mapSso / ssoLogin Web Services operations. A fix has been identified and we are working on getting it rolled out. We apologize for any inconvenience caused.”