Web.Config:
Request from Postman:

Issue in CustomDelegetHandler.cs when after process request.Headers.Authorization, we found generated token but after that it thrown UnAuthorized message in response in code and postman return response like uploaded image.
Srinivasan RamamoorthiPosted Nov 15, 2021, 11:09 AM
Anish AnsariPosted Nov 15, 2021, 11:05 AM
Srinivasan RamamoorthiPosted Nov 15, 2021, 11:00 AM
To authorize you need to first register a user, and then login to get user's token, then you can use the token to authorize your self and get access .
check this link for solution
https://forums.ivanti.com/s/article/Postman-responds-to-API-calls-with-Authorization-has-been-denied-for-this-request?language=en_US#:~:text=This%20issue%20is%20caused%20by,server%2C%20and%20not%20just%20remotely.&text=Once%20set%20the%20RestAPI%20call%20should%20complete%20successfully.