Yes, NetSuite does support OAuth 1.0 for RESTlet and REST API integrations, allowing secure token-based authentication for external applications. However, it may be tricky to find the documentation because it’s often categorized under SuiteScript or SuiteTalk API sections. The official NetSuite documentation includes OAuth setup steps and guidelines, but if it doesn’t appear in your searches, try accessing it through NetSuite’s Help Center under REST API Authentication or SuiteTalk SOAP Web Services for OAuth details.
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