I am trying to authenticate Postman with DC tenant using token exchange flow. I got Salesforce Org token but when I hit “Complete Postman authentication” API to exchange SF org token with DC tenant token I get following error:
" Couldn’t evaluate the test script:
Error: Data Cloud tenant authentication failed: Error: response content type is not JSON."
As per this video: Data Cloud APIs and Postman Quick Start Video
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Hi @Pardeep55. Welcome to the Postman Community 
I’m on sure what the issue may be here. Can you share a link to the request(Collection) you are referring to from the video so I can take a look at the scripts tab?
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