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Committed ⭐️
May 13, 2025
Question

After completing Entra ID authentication with Postman, I got 401 ‘Unauthorized’ error.

I recently started using CDF.
I started uploading data to CDF using the OPC UA Extractor and also authenticated Postman with Entra ID.
However, even though I followed Cognite’s documentation step-by-step,
I keep encountering a 401 Unauthorized error.
Attached below are my Postman settings.
Could you help me identify the issue and suggest how to resolve it?

 

1 reply

Mithila Jayalath
Expert ⭐️⭐️⭐️⭐️
Expert ⭐️⭐️⭐️⭐️
May 13, 2025

​@david55 It looks like the scope that you are using is incorrect. Since the project is publicdata the scope should start with  https://api.cognitedata.com/