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Question

Inbound REST API authentication options without AAD?

  • September 22, 2026
  • 1 reply
  • 10 views

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On-Prem K2 5.9, using on-prem AD as user manager.

Currently K2 API website is load balanced via AWS ALB (which has problem with Kerberos), would need to switch to NLB, but K2 documentation doesn’t mention supporting Windows Auth for the REST API calls.

Is there a plan to support OKTA for Oauth?

This is specially for the Tasks API.

Alternative is to build a separate API using the .NET 4.8 SDK...

1 reply

ScottCaseIT
Nintex Partner
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  • Nintex Partner
  • September 22, 2026

Workflow api or odors? Windows auth is supported on workflow api rest endpoints. https://help.nintex.com/en-US/nintexautomation/devref/5.9/Content/Runtime/WF-REST-API/WF-REST-API-Authentication.htm